REFERENCES. L. Auslander, An exposition of the structure of solvmanifolds, Bull. Amer. Math. Soc. 79 (1973),

Size: px
Start display at page:

Download "REFERENCES. L. Auslander, An exposition of the structure of solvmanifolds, Bull. Amer. Math. Soc. 79 (1973),"

Transcription

1 REFERENCES [A] J. F. Adams, Lectures on Lie Groups, Benjamin, New York, [Ab] E. Abbena, An example of an almost Kahler manifold which is not Kahler, Bolletino U.M.1. 3-A(6) (1984), [ABCKT] J. Amoros, M. Burger, K. Corlette, D. Kotschick and D. Toledo, Fundamental Groups of Compact Kahler Manifolds, AMS Math. Surveys and Monographs, vol. 44, Amer. Math. Soc., [ABKLR] B. Aebischer, M. Borer, M. Kalin, Ch. Leuenberger and H. M. Reimann, Symplectic Geometry, Progress in Math., vol. 124, Birkhauser, [AGH] [An] [Ar] [AT1] [AT2] [ANT] [Au1] [Au2] [AuL] [Aus] [AuSz] [Ba] [Bi] [Bch] [BGu] L. Auslander, L. Green and F. Hahn, Flows on Homogeneous Manifolds, Princeton University Press, W. Andrzejewski, Fat Bundles and Sullivan's Formality, in Polish, Ph.D. Thesis, Wroclaw, V. 1. Arnol'd, Mathematical Methods of Classical Mechanics, Grad. Texts in Math., vol. 60 2nd Ed., W. Andrzejewski and A. Tralle, Cohomology of some graded differential algebras, Fundamenta Math. 145 (1994), W. Andrzejewski and A. Tralle, Fat bundles and formality, Semin. Gaston Darboux de Geometrie et Topologie Differentielle (Montpellier) (1994), W. Andrzejewski, A. Neugebauer and A. Tralle, Rational homotopy obstructions and symplectic mechanics of a classical particle in the presence of a Yang-Mills field, Collection: Symmetry and Structural Properties of Condensed Matter" World Scientific, Singapore, 1995, pp M. Audin, The Topology of Torus Actions on Symplectic manifolds, Birkhauser, Basel, M. Audin, Exemples de uari eies presque complexes, Enseign. Math. 39 (1993), Holomorphic Curves in Symplectic Geometry (M. Audin and J. Lafontaine, eds.), Birkhauser, Basel, L. Auslander, An exposition of the structure of solvmanifolds, Bull. Amer. Math. Soc. 79 (1973), L. Auslander and R. Szczarba, Characteristic classes of compact solvmanifolds, Annals of Math. 76 (1962), 1-8. J. Barge, Structures differentielles sur les types d 'homotopie rationelle simplement connexes, Ann. Sci. Ecole Norm. Super. 9 (1976), l. G. D. Birkhoff', Proof of Poincare's geometric theorem, Trans. Amer. Math. Soc. 14 (1913), T. Bouche, La cohomologie coeffective d 'une uariet«symplectique, Bull. Sci. Math. 114 (1990), A.K. Bousfield and V.K.A.M. Guggenheim, On PL de Rham theory and rational homotopy type, Memoirs Amer. Math. Soc. 8 (179) (1976).

2 REFERENCES 201 [BG1] [BG2] [Bl] [Bo] [Bou] [BPV] [Br] [BTu] [BW] [BV] [CFG] [CFL] [Co] [CZ] [DGMS] [D] [DH] [DR] [DFGM] [DY] [EG] [F] [Fe] [FGG] [FG1] C. Benson and C. S. Gordon, Kahler and symplectic structures on nilmanifolds, Topology 27 (1988), C. Benson and C. S. Gordon, Kahler structures on compact s olomanijolds, Proc. Amer. Math. Soc. 108 (1990), D. Blair, Riemannian geometry and Contact Manifolds, Springer, Berlin, A. Borel, Linear Algebraic Groups, Benjamin, New York, N. Bourhaki, Groupes et Alqebres de Lie, Chapitre 9, Masson, Paris, W. Barth, C. Peters and A. Van de Ven, Compact Complex Surfaces, Springer, Berlin, J.L. Brvlinski, A differential complex for Poisson manifolds, J. Differential Geom. 28 (1988), R. Bott and L. Tu, Differential Forms in Algebraic Topology, Grad Texts in Math, vol. 82, Springer-Verlag, W.M. Boothby and H.C. Wang, On contact manifolds, Annals of Math. 68 (1958), D. Burghelea and M. Vigue-Poirrier, A model for cyclic homology and algebraic K-theory of I-connected topological spaces, J. Diff. Geom. 22 (1985), L. A. Cordero, M. Fernandez and A. Gray, Symplectic manifolds with no Kahler structure, Topology 25 (1986), L.A. Cordero, M. Fernandez and M. de Leon, Compact locally-conformal Kiihler nilmanifolds, Geom. Dedicata 21 (1986), O. Cornea, Cone decompositions and degenerate critical points, preprint. C. Conley and E. Zehnder, The Birkhoff-Lewis fixed point theorem and a conjecture of V. I. Arnol'd, Invent. Math. 73 (1983), P. Deligne, P. Griffiths, J. Morgan and D. Sullivan, Real homotopy theory of Kahler manifolds, lnventiones Math. 29 (1975), N. Dupont, Problems and conjectures in rational homotopy theory: a survey, Expo. Math. 12 (1994), N. Dupont, K. Hess, Twisted tensor models for fib rations, J. Pure and Appl. Algebra 91 (1994), G. De Rham, Varietes Differentiables, Hermann, Paris, L. de Andres, M. Fernandez, A. Gray and J. Mencia, Moduli spaces of complex structures on compact four-dimensional nilmanifolds, Boll. Un. Mat. It.al. (7), 5-A (1991), Dong Van, Hodge structure on symplectic manifolds, Advances in Math. 120 (1996), S. Ellenberg and T. Ganea, On the Lusternik-Schnirelmann category of abstract groups, Annals of Math. 65 no. 3 (1957), L. Flatto, Invariants of reflection groups, Enseign. Math. 24 (1978), Y. Felix, La Dichotomie Elliptique-Hyperbolique en Homotopie Rationnelle, Asterisque, vol. 176, Soc. Math. France, M. Fernandez, M. Gotay and A. Gray, Compact parallelieable four dimensional symplectic and complex manifolds, Proc. Amer. Math. Soc. 103 (1988), M. Fernandez and A. Gray, Compact parallelizable four-dimensional symplectic and complex manifolds, Proc. Arner. Math. Soc. 103 (1988),

3 202 [FG2] [FGM] [FH] [FILl] [FIL2] [FIL3] [FI] [FLS] [FM] [FT] [DFIML] [Ge] [GHVi] [Go] [Gmf] [GrH] [GHV] [GM] [GrM] [HI] [H2] [H3] [Hano] REFERENCES M. Fernandez and A. Gray, Compact symplectic solvmanifold not admitting complex structures, Geom. Dedic. 34 (1990), M. Fernandez, A. Gray and J. Morgan, Compact symplectic manifolds with [ree circle actions and Massey products, Michigan Math.J. 38 (1991), Y. Felix and S. Halperin, Rational L.-S. category and its applications, Trans. Amer. Math. Soc. 273 (1982), M. Fernandez, R. Ibanez and M. de Leon, On a Brylinski conjecture for compact symplectic manifolds, Proc. of the Meeting 'Quaternionic Structures in Math. Physics' SISSA (1994), 1-9. M. Fernandez, R. Ibanez and M. de Leon, A Nomizu theorem for the coeffective cohomology, preprint (1995). M. Fernandez, R. Ibanez and M. de Leon, The canonical spectral sequences for Poisson manifolds, preprint (199.5). A. Floer, Cup length Estimates on Lagrangian intersections, Corum. Pure Appl. Math. 42 (1989), M. Fernandez, M. de Leon and M. Saralegi, A six-dimensional compact symplectic solvmanifold without Kiihler structures, Osaka J. Math. 33 (1996),1-19. R. Friedmanand J. Morgan, Smooth Four-Manifolds and Complex Surfaces, Springer, Berlin, Y. Felix and J.-C. Thomas, Le Tor differentielle d'une fibration non-nilpotente, J. Pure and Appl. Algebra 38 (1985), L.C. de Andres, M. Fernandez, R. Ibanez, M. de Leon and J. Mencia, On the coe]- fective cohomology of compact symplectic manifolds, C.R. Acad. Sci. Paris, Serie (1994), H. Geiges, Symplectic structures on T 2-bundles over T 2, Duke Math. J. 67 no. 3 (1992), K. Grove, S. Halperin and M. Vigue-Poirrier, The rational homotopy theory of certain path spaces with applications to geodesics, Acta. Math. 140 (1978), S.L Goldberg, Integrability of almost [( iihler manifolds, Proc. Amer. Math. Soc. 21 (1969), R. Gompf, A new construction of symplectic manifolds, Annals of Math. 142 (1995), P. Griffiths and J. Harris, Principles of Algebraic Geometry, Wiley, New York, V. Greub, S. Halperin and R. Vanstone, Curvature, Connections and Cohomology, vol.3, Acad. Press, New York, P. Griffiths and J. Morgan, Rational Homotopy Theory and Differential Forms, Birkhiiuser, Basel, D. Gromoll and W. Meyer, Periodic geodesics on compact Riemannian manifolds, J. Diff. Geom. 3 (1969), S. Halperin, Lectures on Minimal Models, Hermann, Paris, S. Halperin, Rational fibrations, minimal models and fib rings of homogeneous spaces, Trans. Amer. Math. Soc. 244 (1978), S. Halperin, Finiteness in the minimal models of Sullivan, Trans. Amer. Math. Soc. 230 (1977), J. Hano, On [(iihlerian homogeneous spaces of unimodular Lie groups, Amer. J. Math. 79 (1957),

4 REFERENCES 203 [Has] [Ham] [Hat] [He] [HMR] [HZ] [II] [12] [J] [Ka] [Ki] [KN] [Ko] [Kr] [Le1] [Le2] [Lo] [L01] [L02] [Lu] [LP] [M] [McC) K. Hasegawa, Minimal models of nilmanifolds, Proc. Amer. Math. Soc. 106 (1989), J. Humphreys, Linear Algebraic Groups, Springer, Berlin, A. Hattori, Spectral sequence in the de Rham cohomology of fibre bundles, J. Fac. Sci. Univ. Tokyo 8 (Sect. 1) (1960), S. Helgason, Differential Geometry, Lie Groups and Symmetric Spaces, Academic Press, New York, P. Hilton, G. Mislin and J. Roitberg, Localization of Nilpotent Groups and Spaces, Notas de Matematica, North-Holland, Amsterdam, H. Hofer, E. Zehnder, Symplectic Invariants and Hamiltonian Dynamics, Birkhiiser, Basel, R. Ibanez, Harmonic cohomology classes of almost cosymplectic manifolds, to appear, Michigan Math.J. 44 (1997). R. Ibanez, Coeffective-Dolbeault cohomology of compact indefinite K iihler manifolds, preprint. LM. James, On category in the sense of Lusternik-Schnirelmann, Topology 17 (1978), J. Kalkman, Cohomology rings of symplectic quotients, J. Reine Angew. Math. 458 (1995), F. Kirwan, Cohomology of Quotients in Symplectic and Algebraic Geometry, Princeton Univ. Press, Princeton, S. Kobayashi and K. Nornizu, Foundations of Differential Geometry, vols. J, 2, Interscience Pub!., London-New York, 1961,1969. S. Kobayashi, Topology of positively-pinched Kaehler manifolds, Tohoku Math. J. 15 (1963), D. Kraines, Massey higher products, Trans. Arner. Math. Soc. 124 (1966), D. Lehmann, Theorie homotopique des formes differentielles (d'apres D. Sullivan), Asterisque 45 (1977). D. Lehmann, Modele minimal relatif des jeuilletages, Lect. Notes Math 1183 (1986), J.F.T. Lopera, A family of compact non-kiihler manifolds which admit semi-kiihler or almost Kiihler structure, Bolletino U.MJ. 5-A(6) (1986), G. Lupton and J. Oprea, Symplectic manifolds and formality, J. Pure Appl. Algebra 91 (1994), G. Lupton and J. Oprea, Cohomologica/ly symplectic spaces: toral actions and the Gottlieb group, Trans. Amer. Math. Soc. 347 (1995), G. Lupton, Intrinsic formality and certain types of algebras, Trans. Amer. Math. Soc. 319 (1990), L. Lambe and S. Priddy, Cohomology of nilmanifolds and torsion-free groups, Trans. Amer. Math. Soc O. Mathieu, Harmonic cohomology classes of symplectic manifolds, Comment. Math. Helvetici 70 (1995),1-9. J. McCleary, User's Guide to Spectral Sequences, Publish or Perish, Wilmington, 1985.

5 204 REFERENCES [McD1] [McD2] [McD3] [MO] [Mor] [Mos] [NT] [Nom] [Ono] [01] [02] [Ono] [O'N] roy] [PS] [Q] [Rag] [Re] [Se] [SSt] [Su] [T] [Tal] [Ta2] D. McDuff, Examples of symplectic simply connected manifolds with no K iihler structure, J. Differential Geom. 20 (1984), D. McDuff, The moment map for circle actions on symplectic manifolds, J. Geom. Phys. 5 (1988), D. McDuff, Elliptic methods in symplectic geometry, Bull. Amer. Math. Soc. 23 no. 2 (1990), C. McCord and J. Oprea, Rational Lusternik-Schnirelmann category and the Arnold conjecture for nilmanifolds, Topology 32 (1993), J. Morgan, The algebraic topology of smooth algebraic varieties, Publ. Math. IHES 48 (1978), G.D. Mostow, Factor spaces of solvable Lie groups, Annals of Math. 60 (1954),1-27. J. Neissendorfer and L. Taylor, Dolbeault homotopy theory, Trans. Amer. Math. Soc. 245 (1978), K. Nomizu, On the cohomology of compact homogeneous spaces of nilpotent Lie groups, Annals of Math. 59 (1954), K. Ono, Equivariant projective embedding theorem for symplectic manifolds, J. Fac, Sci. Univ. Tokyo, Sect. la, Math. 35 (1988), J. Oprea, Symplectic Geometry and Homotopy Theory, Proceedings of the Daewoo Workshop in Pure Math., vol. 15, Part 3, Korean Academic Council, Chungju City, Korea, J. Oprea, The category of nilmanifolds, Enseign. Math. 38 (1992), K. Ono, On the Arnold conjecture for weakly monotone symplectic manifolds, Invent. Math. 119 (1995), E. O'Neill, On Massey products, Pacif. J. Math. 76 (1978), A.L. Onishchik, E. B. Vinberg, Seminar on Lie Groups and Algebraic Groups, Springer, Berlin, R. Palais, S. Stewart, Torus bundles over a torus, Proc. Arner. Math. Soc. 12 (1961), D. Quillen, Rational homotopy theory, Annals of Math. 90 (1969), M. Raghunatan, Discrete Subgroups of Lie Groups, Springer, Berlin, A. Reznikov, Symplectic twistor spaces, Annals Global Anal. and Geom. 11 (1993), K. Sekigawa, On some 4-dimensional compact almost Hermitian manifolds, J. Ramanujan Math. Soc. 36 (1987), M. Schlessinger and J. Stasheff, Deformation theory and rational homotopy type, Publ. Math. IHES, to appear. D. Sullivan, Infinitesimal computations in topology, Publ. Math. IHES 47 (1978), D. Tanre, Homotopie rationelle: models de Chen, Quillen, Sullivan, Springer, Berlin, C. Taubes, The Seiberg- Witten invariants and symplectic forms, Math. Res. Letters 1 (1994), C. Taubes, More constraints on symplectic manifolds from the Seiberg- Witten invariants, Math. Res. Letters 2 (1995),9-14.

6 REFERENCES 205 [T1] [T2] [Tak] [Th] [Tisch] [To] [Tr1] [Tr2] [Tr3] [TrK] [VS] [VGS] [War] [WaJ [We] [Wh] [Whi] [Wo] [ZB] [Y] [Yam] J. e. Thomas, Ho moto pie rationel/e des fibres de Serre, Th es e, Universite des Sciences et Techniques de Lille, Lille, J.e.Thomas, Rational homotopy of Serre fibrations, Annales Inst. Fourier, Grenoble 31 (1981), F. Takens, The minimal number of critical points of a function on a compact manifold and the Lusternik Schnirelmann category, Invent. Math. 6 (1968), W. P. Thurston, Some simple examples of compact symplectic manifolds, Proc. Amer. Math. Soc. 55 (1976), D. Tischler, Closed 2 forms and an embedding theorem for symplectic manifolds, J. Diff. Geom. 12 (1977), G. Toomer, Lusternik Schnirelmann category and the Moore spectral sequence, Math. Z. 138 (1974), A. Tralle, Rational homotopy theory and geometric structures on smooth manifolds, Reports Math. Physics 34 (1994), A. Tralle, Rational models of solvmanifolds with K iihlerian structures, to appear, Revista Matematica (Madrid). A. Tralle, Rational homotopy and geometry (results, problems, conjectures), Expo. Math 14 (1996), A. Tralle and J. Kedra, On symplectic fat bundles, Bull. Polish Acad. Sci. Mathematics 43 (1995), M. Vigue Poirrier and D. Sullivan, The homology theory of the closed geodesic problem, J. Differential Geom. 11 (1976), E. Vinberg, V. Gorbatsevich and O. Schwarzman, Discrete subgroups of Lie groups, in Russian, Itogi Nauki i Techniki. Sovr. Problemy Mat. 21 (1988), F. Warner, Differential Manifolds and Lie Groups, Springer, Berlin, B. Watson, New examples of strictly almost complex manifolds, Proc. Amer. Math. Soc. 88 (1983), A. Weinstein, Fat bundles and symplectic manifolds, Advances Math. 37 (1980), H. Whitney, Geometric Integration Theory, Princeton Univ. Press, G. W. Whitehead, Elements of Homotopy Theory, Grad. Texts in Math., vol. 61, Springer Verlag, New York Berlin, W. Wojtynski, Lie Groups and Lie Algebras, in Polish, PWN, Warsaw, P.B. Zwart and W.M. Boothby, On compact homogeneous symplectic manifolds, Annales Inst, Fourier, Grenoble 30 (1980), S. T. Yau, Paral/elizable manifolds without complex structures, Topology 15 (1976), K. Yamato, Examples of non Kiihler symplectic manifolds, Osaka J. Math. 27 (1990),

7 INDEX Arnol'd conjecture 182 averaging operator 137 Benson-Gordon conjecture 70 Birkhoff's twist theorem 182 blow-up, classical 121 blow-up, along a submanifold 124 blow-up projection 124 Borel subalgebra 141 Brylinski conjecture 174 bundle, universal over cpn 120 category k-dca 1 of Lusternik-Schnirelmann (LS cat) 183 of a map 184 rational 186 Chevalley-Eilenberg complex 46 coeffective cohomology 180 differential algebra augmented 2 bigraded 190 Cartan 153 cohomologically symplectic 25 commutative graded 1 c-connected 2 a-degenerate 191 Dolbeault formal 191 elliptic 43 freely generated 2 Lefschetz 25 mimimal model 2 minimal formal 18 pure 170 of rational polynomial forms ApL 5 strictly formal 191 Sullivan-de Rham 5 Weil 154 divisor, exceptional 121 ddc-iemma 24 differential form Lee 66 symplectically harmonic 174 Dolbeault homotopy theory 190 fat bundle fat connection 161 fibration, quasi-nilpotent 7 formality criterion 18 formalizing tendency (of symplectic structures) 147 generic example of a non-formal algebra 43 g-module, triangular 83 Goldberg's conjecture 196 Hamiltonian diffeomorphism 182 Hamiltonian C-action 162 Heisenberg group 46 Hirsch extension 10 Hirzebruch surface 168 homotopy (between DCA-maps) 9 Koszul complex 155 Koszul differential 174 KS-extension 28 lattice 45 Lefschetz element 25 Leray-Serre spectral sequence 80 lifting problem 11 Lie algebra, completely solvable 77 Liouville form 22 Lupton-Oprea conjecture 147 Malcev basis 48 Massey product triple 41 quadruple 42 of higher order 42

8 INDEX manifold CFG-manifold 56 cosymplectic 181 contact 61 Dobeault formal 191 formal 18 generalized Heisenberg 46 generalized Hopf 66 Kahler 23 Kodaira-Thurston.53 locally conformal Kahler 66 parallelizable 68 strictly formal 183 symplectic 21 model, cofibrant 181 model, of a DGA-map 13 moment map 15.5 Mostow bundle 71 Mostow structure theorem 71 nilmanifold 45 nilpotent action (of a group) 6 P-algebra 154 P-algebra, symmetric 1.58 parabolic subalgebra 141 Poincare's Last Geometric Theorem 173 problem of Thurston-Weinstein 26 quasi-isomorphism 2 regular element (of a Lie group) 72 regular sequence (in a ring) 157 representation (of a Lie algebra), triangular rigidity theorem 73 Sullivan's algorithm 158 Sullivan's problem 199 Samelson projection 156 Samelson subspace 156 Toomer's invariant 186 topological space, nilpotent 6 sl(2)-representation, of finite H -spectrum 178 solvmanifold 71 symplectic quotient 198 symplectic star operator 174 Theorem (of) Benson-Gordon 116 Benson-Gordon-Hasegawa 54 H. Cartan 153 Chevalley 152 Darboux 21 Deligne-Griffiths-Morgan- Sullivan 24 fundamental, of rational homotopy theory 6 Hattori 77 Nomizu 46 P.L. de Rham 5 Thurston's conjecture 199 truncated de Rham cohomology group 180 twisted tensor product 111 Wang's theorem 166 Weinstein's problem (for fiber bundles) 140

Citation Osaka Journal of Mathematics. 43(1)

Citation Osaka Journal of Mathematics. 43(1) TitleA note on compact solvmanifolds wit Author(s) Hasegawa, Keizo Citation Osaka Journal of Mathematics. 43(1) Issue 2006-03 Date Text Version publisher URL http://hdl.handle.net/11094/11990 DOI Rights

More information

HOMOTOPY AND GEOMETRY BANACH CENTER PUBLICATIONS, VOLUME 45 INSTITUTE OF MATHEMATICS POLISH ACADEMY OF SCIENCES WARSZAWA 1998 INTRODUCTION

HOMOTOPY AND GEOMETRY BANACH CENTER PUBLICATIONS, VOLUME 45 INSTITUTE OF MATHEMATICS POLISH ACADEMY OF SCIENCES WARSZAWA 1998 INTRODUCTION HOMOTOPY AND GEOMETRY BANACH CENTER PUBLICATIONS, VOLUME 45 INSTITUTE OF MATHEMATICS POLISH ACADEMY OF SCIENCES WARSZAWA 1998 INTRODUCTION This volume of the Banach Center Publications presents the results

More information

On solvmanifolds and a conjecture of Benson and Gordon from the hamiltonian viewpoint

On solvmanifolds and a conjecture of Benson and Gordon from the hamiltonian viewpoint Journal of Lie Theory Volume 8 (1998) 279 292 C 1998 Heldermann Verlag On solvmanifolds and a conjecture of Benson and Gordon from the hamiltonian viewpoint Aleksy Tralle and Wojciech Andrzejewski Communicated

More information

A note on rational homotopy of biquotients

A note on rational homotopy of biquotients A note on rational homotopy of biquotients Vitali Kapovitch Abstract We construct a natural pure Sullivan model of an arbitrary biquotient which generalizes the Cartan model of a homogeneous space. We

More information

Rational Homotopy Theory II

Rational Homotopy Theory II Rational Homotopy Theory II Yves Félix, Steve Halperin and Jean-Claude Thomas World Scientic Book, 412 pages, to appear in March 2012. Abstract Sullivan s seminal paper, Infinitesimal Computations in Topology,

More information

A FUNCTION SPACE MODEL APPROACH TO THE RATIONAL EVALUATION SUBGROUPS

A FUNCTION SPACE MODEL APPROACH TO THE RATIONAL EVALUATION SUBGROUPS A FUNCTION SPACE MODEL APPROACH TO THE RATIONAL EVALUATION SUBGROUPS KATSUHIKO KURIBAYASHI Abstract. This is a summary of the joint work [20] with Y. Hirato and N. Oda, in which we investigate the evaluation

More information

Seminario de Geometría y Topología Facultad de Ciencias Matemáticas, Universidad Complutense de Madrid

Seminario de Geometría y Topología Facultad de Ciencias Matemáticas, Universidad Complutense de Madrid Seminario de Geometría y Topología Facultad de Ciencias Matemáticas, Universidad Complutense de Madrid Cohomological aspects in complex non-kähler geometry Daniele Angella Istituto Nazionale di Alta Matematica

More information

(communicated by Johannes Huebschmann)

(communicated by Johannes Huebschmann) Homology, Homotopy and Applications, vol.6(1), 2004, pp.167 173 HOMOTOPY LIE ALGEBRA OF CLASSIFYING SPACES FOR HYPERBOLIC COFORMAL 2-CONES J.-B. GATSINZI (communicated by Johannes Huebschmann) Abstract

More information

Recent Progress on Lusternik-Schnirelmann Category

Recent Progress on Lusternik-Schnirelmann Category Recent Progress on Lusternik-Schnirelmann Category TOPOLOGY in Matsue (June 24 28, 2002) International Conference on Topology and its Applications Joined with Second Japan-Mexico Topology Symposium Norio

More information

QUASI-HOMOGENEOUS DOMAINS AND PROJECTIVE MANIFOLDS

QUASI-HOMOGENEOUS DOMAINS AND PROJECTIVE MANIFOLDS Trends in Mathematics Information Center for Mathematical Sciences Volume 5, Number 1, June 2002, Pages 17 22 QUASI-HOMOGENEOUS DOMAINS AND PROJECTIVE MANIFOLDS KYEONGHEE JO Abstract. To understand compact

More information

joint work with A. Fino, M. Macrì, G. Ovando, M. Subils Rosario (Argentina) July 2012 Sergio Console Dipartimento di Matematica Università di Torino

joint work with A. Fino, M. Macrì, G. Ovando, M. Subils Rosario (Argentina) July 2012 Sergio Console Dipartimento di Matematica Università di Torino joint work with A. Fino, M. Macrì, G. Ovando, M. Subils Rosario (Argentina) July 2012 Proof of the structures on Dipartimento di Matematica Università di Torino 1 1 2 Lie groups 3 de Rham cohomology of

More information

Torus rational brations

Torus rational brations Journal of Pure and Applied Algebra 140 (1999) 251 259 www.elsevier.com/locate/jpaa Torus rational brations Vicente Muñoz Departamento de Algegra, Geometra y Topologa, Facultad de Ciencias, Universidad

More information

Lusternik Schnirelmann category of skeleta

Lusternik Schnirelmann category of skeleta Topology and its Applications 125 (2002) 357 361 Lusternik Schnirelmann category of skeleta Yves Felix a,, Steve Halperin b, Jean-Claude Thomas c a Université Catholique de Louvain, 1348 Louvain-La-Neuve,

More information

THE GEOMETRY OF A CLOSED FORM

THE GEOMETRY OF A CLOSED FORM HOMOTOPY AND GEOMETRY BANACH CENTER PUBLICATIONS, VOLUME 45 INSTITUTE OF MATHEMATICS POLISH ACADEMY OF SCIENCES WARSZAWA 1998 THE GEOMETRY OF A CLOSED FORM MARISA FERNÁNDEZ, RAÚL IBÁÑEZ Departamento de

More information

CYCLIC HOMOLOGY AND THE BEILINSON-MANIN-SCHECHTMAN CENTRAL EXTENSION. Ezra Getzler Harvard University, Cambridge MA 02138

CYCLIC HOMOLOGY AND THE BEILINSON-MANIN-SCHECHTMAN CENTRAL EXTENSION. Ezra Getzler Harvard University, Cambridge MA 02138 CYCLIC HOMOLOGY AND THE BEILINSON-MANIN-SCHECHTMAN CENTRAL EXTENSION. Ezra Getzler Harvard University, Cambridge MA 02138 Abstract. We construct central extensions of the Lie algebra of differential operators

More information

Publications. Graeme Segal All Souls College, Oxford

Publications. Graeme Segal All Souls College, Oxford Publications Graeme Segal All Souls College, Oxford [1 ] Classifying spaces and spectral sequences. Inst. Hautes Études Sci., Publ. Math. No. 34, 1968, 105 112. [2 ] Equivariant K-theory. Inst. Hautes

More information

J-holomorphic curves in symplectic geometry

J-holomorphic curves in symplectic geometry J-holomorphic curves in symplectic geometry Janko Latschev Pleinfeld, September 25 28, 2006 Since their introduction by Gromov [4] in the mid-1980 s J-holomorphic curves have been one of the most widely

More information

THE HOMOTOPY TYPES OF SU(5)-GAUGE GROUPS. Osaka Journal of Mathematics. 52(1) P.15-P.29

THE HOMOTOPY TYPES OF SU(5)-GAUGE GROUPS. Osaka Journal of Mathematics. 52(1) P.15-P.29 Title THE HOMOTOPY TYPES OF SU(5)-GAUGE GROUPS Author(s) Theriault, Stephen Citation Osaka Journal of Mathematics. 52(1) P.15-P.29 Issue Date 2015-01 Text Version publisher URL https://doi.org/10.18910/57660

More information

A conjecture in Rational Homotopy Theory CIMPA, FEBRUARY 2012

A conjecture in Rational Homotopy Theory CIMPA, FEBRUARY 2012 UNIV. LIBAN, BEYROUTH A conjecture in Rational Homotopy Theory My Ismail Mamouni, CPGE-CPR, Rabat Professeur Agrégé-Docteur en Math Master 1 en Sc de l éducation, Univ. Rouen mamouni.new.fr mamouni.myismail@gmail.com

More information

NON FORMAL COMPACT MANIFOLDS WITH SMALL BETTI NUMBERS

NON FORMAL COMPACT MANIFOLDS WITH SMALL BETTI NUMBERS NON FORMAL COMPACT MANIFOLDS WITH SMALL BETTI NUMBERS MARISA FERNÁNDEZ Departamento de Matemáticas, Facultad de Ciencia y Tecnología, Universidad del País Vasco, Apartado 644, 48080 Bilbao, Spain E-mail:

More information

arxiv:math/ v1 [math.dg] 29 Sep 1998

arxiv:math/ v1 [math.dg] 29 Sep 1998 Unknown Book Proceedings Series Volume 00, XXXX arxiv:math/9809167v1 [math.dg] 29 Sep 1998 A sequence of connections and a characterization of Kähler manifolds Mikhail Shubin Dedicated to Mel Rothenberg

More information

Classifying complex surfaces and symplectic 4-manifolds

Classifying complex surfaces and symplectic 4-manifolds Classifying complex surfaces and symplectic 4-manifolds UT Austin, September 18, 2012 First Cut Seminar Basics Symplectic 4-manifolds Definition A symplectic 4-manifold (X, ω) is an oriented, smooth, 4-dimensional

More information

[5] R. Bott, On the Chern-Weil homomorphism and the continuous cohomology of Lie groups, Advances in Math. 11 (1973), pp

[5] R. Bott, On the Chern-Weil homomorphism and the continuous cohomology of Lie groups, Advances in Math. 11 (1973), pp REFERENCES [1] J. F. Adams, Lectures on Lie groups, W. A. Benjamin, New York - Amsterdam, 16. [2] P. Baum and R. Bott, On the zeroes of meromorphic vector fields, in: Essays on Topology and Related Topics,

More information

TitleOn manifolds with trivial logarithm. Citation Osaka Journal of Mathematics. 41(2)

TitleOn manifolds with trivial logarithm. Citation Osaka Journal of Mathematics. 41(2) TitleOn manifolds with trivial logarithm Author(s) Winkelmann, Jorg Citation Osaka Journal of Mathematics. 41(2) Issue 2004-06 Date Text Version publisher URL http://hdl.handle.net/11094/7844 DOI Rights

More information

SYMPLECTIC MANIFOLDS, GEOMETRIC QUANTIZATION, AND UNITARY REPRESENTATIONS OF LIE GROUPS. 1. Introduction

SYMPLECTIC MANIFOLDS, GEOMETRIC QUANTIZATION, AND UNITARY REPRESENTATIONS OF LIE GROUPS. 1. Introduction SYMPLECTIC MANIFOLDS, GEOMETRIC QUANTIZATION, AND UNITARY REPRESENTATIONS OF LIE GROUPS CRAIG JACKSON 1. Introduction Generally speaking, geometric quantization is a scheme for associating Hilbert spaces

More information

The Strominger Yau Zaslow conjecture

The Strominger Yau Zaslow conjecture The Strominger Yau Zaslow conjecture Paul Hacking 10/16/09 1 Background 1.1 Kähler metrics Let X be a complex manifold of dimension n, and M the underlying smooth manifold with (integrable) almost complex

More information

Dolbeault cohomology and. stability of abelian complex structures. on nilmanifolds

Dolbeault cohomology and. stability of abelian complex structures. on nilmanifolds Dolbeault cohomology and stability of abelian complex structures on nilmanifolds in collaboration with Anna Fino and Yat Sun Poon HU Berlin 2006 M = G/Γ nilmanifold, G: real simply connected nilpotent

More information

This theorem gives us a corollary about the geometric height inequality which is originally due to Vojta [V].

This theorem gives us a corollary about the geometric height inequality which is originally due to Vojta [V]. 694 KEFENG LIU This theorem gives us a corollary about the geometric height inequality which is originally due to Vojta [V]. Corollary 0.3. Given any ε>0, there exists a constant O ε (1) depending on ε,

More information

HARMONIC COHOMOLOGY OF SYMPLECTIC FIBER BUNDLES

HARMONIC COHOMOLOGY OF SYMPLECTIC FIBER BUNDLES HARMONIC COHOMOLOGY OF SYMPLECTIC FIBER BUNDLES OLIVER EBNER AND STEFAN HALLER Abstract. We show that every de Rham cohomology class on the total space of a symplectic fiber bundle with closed Lefschetz

More information

A note on Samelson products in the exceptional Lie groups

A note on Samelson products in the exceptional Lie groups A note on Samelson products in the exceptional Lie groups Hiroaki Hamanaka and Akira Kono October 23, 2008 1 Introduction Samelson products have been studied extensively for the classical groups ([5],

More information

CANONICAL METRICS AND STABILITY OF PROJECTIVE VARIETIES

CANONICAL METRICS AND STABILITY OF PROJECTIVE VARIETIES CANONICAL METRICS AND STABILITY OF PROJECTIVE VARIETIES JULIUS ROSS This short survey aims to introduce some of the ideas and conjectures relating stability of projective varieties to the existence of

More information

Tobias Holck Colding: Publications. 1. T.H. Colding and W.P. Minicozzi II, Dynamics of closed singularities, preprint.

Tobias Holck Colding: Publications. 1. T.H. Colding and W.P. Minicozzi II, Dynamics of closed singularities, preprint. Tobias Holck Colding: Publications 1. T.H. Colding and W.P. Minicozzi II, Dynamics of closed singularities, preprint. 2. T.H. Colding and W.P. Minicozzi II, Analytical properties for degenerate equations,

More information

Homomorphisms between Kähler groups (Jaca)

Homomorphisms between Kähler groups (Jaca) Homomorphisms between Kähler groups () Purdue University June 2009 Introduction Compact Kähler manifolds (and in particular smooth projective varieties ) are special! Introduction Compact Kähler manifolds

More information

Lecture on Equivariant Cohomology

Lecture on Equivariant Cohomology Lecture on Equivariant Cohomology Sébastien Racanière February 20, 2004 I wrote these notes for a hours lecture at Imperial College during January and February. Of course, I tried to track down and remove

More information

Publication. * are expository articles.

Publication. * are expository articles. Publication * are expository articles. [1] A finiteness theorem for negatively curved manifolds, J. Differential Geom. 20 (1984) 497-521. [2] Theory of Convergence for Riemannian orbifolds, Japanese J.

More information

Tobias Holck Colding: Publications

Tobias Holck Colding: Publications Tobias Holck Colding: Publications [1] T.H. Colding and W.P. Minicozzi II, The singular set of mean curvature flow with generic singularities, submitted 2014. [2] T.H. Colding and W.P. Minicozzi II, Lojasiewicz

More information

Morse Theory and Applications to Equivariant Topology

Morse Theory and Applications to Equivariant Topology Morse Theory and Applications to Equivariant Topology Morse Theory: the classical approach Briefly, Morse theory is ubiquitous and indomitable (Bott). It embodies a far reaching idea: the geometry and

More information

Techniques of computations of Dolbeault cohomology of solvmanifolds

Techniques of computations of Dolbeault cohomology of solvmanifolds .. Techniques of computations of Dolbeault cohomology of solvmanifolds Hisashi Kasuya Graduate School of Mathematical Sciences, The University of Tokyo. Hisashi Kasuya (Graduate School of Mathematical

More information

1. Vacuum Charge and the Eta-Function, Comm. Math. Phys. 93, p (1984)

1. Vacuum Charge and the Eta-Function, Comm. Math. Phys. 93, p (1984) Publications John Lott 1. Vacuum Charge and the Eta-Function, Comm. Math. Phys. 93, p. 533-558 (1984) 2. The Yang-Mills Collective-Coordinate Potential, Comm. Math. Phys. 95, p. 289-300 (1984) 3. The Eta-Function

More information

TRANSITIVE HOLONOMY GROUP AND RIGIDITY IN NONNEGATIVE CURVATURE. Luis Guijarro and Gerard Walschap

TRANSITIVE HOLONOMY GROUP AND RIGIDITY IN NONNEGATIVE CURVATURE. Luis Guijarro and Gerard Walschap TRANSITIVE HOLONOMY GROUP AND RIGIDITY IN NONNEGATIVE CURVATURE Luis Guijarro and Gerard Walschap Abstract. In this note, we examine the relationship between the twisting of a vector bundle ξ over a manifold

More information

η = (e 1 (e 2 φ)) # = e 3

η = (e 1 (e 2 φ)) # = e 3 Research Statement My research interests lie in differential geometry and geometric analysis. My work has concentrated according to two themes. The first is the study of submanifolds of spaces with riemannian

More information

Comparing the homotopy types of the components of Map(S 4 ;BSU(2))

Comparing the homotopy types of the components of Map(S 4 ;BSU(2)) Journal of Pure and Applied Algebra 161 (2001) 235 243 www.elsevier.com/locate/jpaa Comparing the homotopy types of the components of Map(S 4 ;BSU(2)) Shuichi Tsukuda 1 Department of Mathematical Sciences,

More information

Algebraic geometry versus Kähler geometry

Algebraic geometry versus Kähler geometry Algebraic geometry versus Kähler geometry Claire Voisin CNRS, Institut de mathématiques de Jussieu Contents 0 Introduction 1 1 Hodge theory 2 1.1 The Hodge decomposition............................. 2

More information

LECTURE 5: SOME BASIC CONSTRUCTIONS IN SYMPLECTIC TOPOLOGY

LECTURE 5: SOME BASIC CONSTRUCTIONS IN SYMPLECTIC TOPOLOGY LECTURE 5: SOME BASIC CONSTRUCTIONS IN SYMPLECTIC TOPOLOGY WEIMIN CHEN, UMASS, SPRING 07 1. Blowing up and symplectic cutting In complex geometry the blowing-up operation amounts to replace a point in

More information

Minimal surfaces in quaternionic symmetric spaces

Minimal surfaces in quaternionic symmetric spaces From: "Geometry of low-dimensional manifolds: 1", C.U.P. (1990), pp. 231--235 Minimal surfaces in quaternionic symmetric spaces F.E. BURSTALL University of Bath We describe some birational correspondences

More information

Hyperkähler geometry lecture 3

Hyperkähler geometry lecture 3 Hyperkähler geometry lecture 3 Misha Verbitsky Cohomology in Mathematics and Physics Euler Institute, September 25, 2013, St. Petersburg 1 Broom Bridge Here as he walked by on the 16th of October 1843

More information

The Rational Homotopy Lie Algebra of Classifying Spaces for Formal Two-Stage Spaces

The Rational Homotopy Lie Algebra of Classifying Spaces for Formal Two-Stage Spaces The Rational Homotopy Lie Algebra of Classifying Spaces for Formal Two-Stage Spaces Samuel Bruce Smith September 2, 1956 Abstract We describe the structure of the rational homotopy Lie algebra of the classifying

More information

Tesi di Laurea Magistrale in Matematica presentata da. Claudia Dennetta. Symplectic Geometry. Il Relatore. Prof. Massimiliano Pontecorvo

Tesi di Laurea Magistrale in Matematica presentata da. Claudia Dennetta. Symplectic Geometry. Il Relatore. Prof. Massimiliano Pontecorvo UNIVERSITÀ DEGLI STUDI ROMA TRE FACOLTÀ DI SCIENZE M.F.N. Tesi di Laurea Magistrale in Matematica presentata da Claudia Dennetta Symplectic Geometry Relatore Prof. Massimiliano Pontecorvo Il Candidato

More information

http://dx.doi.org/10.1090/pspum/003 DIFFERENTIAL GEOMETRY PROCEEDINGS OF THE THIRD SYMPOSIUM IN PURE MATHEMATICS OF THE AMERICAN MATHEMATICAL SOCIETY Held at the University of Arizona Tucson, Arizona February

More information

arxiv: v3 [math.ag] 21 Nov 2013

arxiv: v3 [math.ag] 21 Nov 2013 THE FRÖLICHER SPECTRAL SEQUENCE CAN BE ARBITRARILY NON DEGENERATE LAURA BIGALKE AND SÖNKE ROLLENSKE arxiv:0709.0481v3 [math.ag] 21 Nov 2013 Abstract. The Frölicher spectral sequence of a compact complex

More information

arxiv: v3 [math.gt] 17 Oct 2010

arxiv: v3 [math.gt] 17 Oct 2010 FORMALITY AND HARD LEFSCHETZ PROPERTIES OF ASPHERICAL MANIFOLDS arxiv:0910.1175v3 [math.gt] 17 Oct 2010 HISASHI KASUYA Abstract. For a virtually polycyclic group Γ, we consider an aspherical manifold M

More information

Generalized Hitchin-Kobayashi correspondence and Weil-Petersson current

Generalized Hitchin-Kobayashi correspondence and Weil-Petersson current Author, F., and S. Author. (2015) Generalized Hitchin-Kobayashi correspondence and Weil-Petersson current, International Mathematics Research Notices, Vol. 2015, Article ID rnn999, 7 pages. doi:10.1093/imrn/rnn999

More information

Geometria Simplettica e metriche Hermitiane speciali

Geometria Simplettica e metriche Hermitiane speciali Geometria Simplettica e metriche Hermitiane speciali Dipartimento di Matematica Universitá di Torino 1 Marzo 2013 1 Taming symplectic forms and SKT geometry Link with SKT metrics The pluriclosed flow Results

More information

Modern Geometric Structures and Fields

Modern Geometric Structures and Fields Modern Geometric Structures and Fields S. P. Novikov I.A.TaJmanov Translated by Dmitry Chibisov Graduate Studies in Mathematics Volume 71 American Mathematical Society Providence, Rhode Island Preface

More information

Lectures on the Orbit Method

Lectures on the Orbit Method Lectures on the Orbit Method A. A. Kirillov Graduate Studies in Mathematics Volume 64 American Mathematical Society Providence, Rhode Island Preface Introduction xv xvii Chapter 1. Geometry of Coadjoint

More information

A Problem of Hsiang-Palais-Terng on Isoparametric Submanifolds

A Problem of Hsiang-Palais-Terng on Isoparametric Submanifolds arxiv:math/0312251v1 [math.dg] 12 Dec 2003 A Problem of Hsiang-Palais-Terng on Isoparametric Submanifolds Haibao Duan Institute of Mathematics, Chinese Academy of Sciences, Beijing 100080, dhb@math.ac.cn

More information

4-MANIFOLDS AS FIBER BUNDLES

4-MANIFOLDS AS FIBER BUNDLES 4-MANIFOLDS AS FIBER BUNDLES MORGAN WEILER Structures on 4-Manifolds I care about geometric structures on 4-manifolds because they allow me to obtain results about their smooth topology. Think: de Rham

More information

THE EILENBERG-MOORE SPECTRAL SEQUENCE AND THE MOD 2 COHOMOLOGY OF

THE EILENBERG-MOORE SPECTRAL SEQUENCE AND THE MOD 2 COHOMOLOGY OF ILLINOIS JOURNAL OF MATHEMATICS Volume 28, Number 3, Fall 1984 THE EILENBERG-MOORE SPECTRAL SEQUENCE AND THE MOD 2 COHOMOLOGY OF CERTAIN FREE LOOP SPACES BY LARRY SMITH There has been considerable interest

More information

FLAT MANIFOLDS WITH HOLONOMY GROUP K 2 DIAGONAL TYPE

FLAT MANIFOLDS WITH HOLONOMY GROUP K 2 DIAGONAL TYPE Ga sior, A. and Szczepański, A. Osaka J. Math. 51 (214), 115 125 FLAT MANIFOLDS WITH HOLONOMY GROUP K 2 DIAGONAL TYPE OF A. GA SIOR and A. SZCZEPAŃSKI (Received October 15, 212, revised March 5, 213) Abstract

More information

Mathematical Research Letters 2, (1995) A VANISHING THEOREM FOR SEIBERG-WITTEN INVARIANTS. Shuguang Wang

Mathematical Research Letters 2, (1995) A VANISHING THEOREM FOR SEIBERG-WITTEN INVARIANTS. Shuguang Wang Mathematical Research Letters 2, 305 310 (1995) A VANISHING THEOREM FOR SEIBERG-WITTEN INVARIANTS Shuguang Wang Abstract. It is shown that the quotients of Kähler surfaces under free anti-holomorphic involutions

More information

arxiv: v2 [math.at] 17 Sep 2009

arxiv: v2 [math.at] 17 Sep 2009 ALGEBRAIC MONODROMY AND OBSTRUCTIONS TO FORMALITY arxiv:0901.0105v2 [math.at] 17 Sep 2009 STEFAN PAPADIMA 1 AND ALEXANDER I. SUCIU 2 Abstract. Given a fibration over the circle, we relate the eigenspace

More information

Chern numbers and Hilbert Modular Varieties

Chern numbers and Hilbert Modular Varieties Chern numbers and Hilbert Modular Varieties Dylan Attwell-Duval Department of Mathematics and Statistics McGill University Montreal, Quebec attwellduval@math.mcgill.ca April 9, 2011 A Topological Point

More information

Symplectic 4-manifolds, singular plane curves, and isotopy problems

Symplectic 4-manifolds, singular plane curves, and isotopy problems Symplectic 4-manifolds, singular plane curves, and isotopy problems Denis AUROUX Massachusetts Inst. of Technology and Ecole Polytechnique Symplectic manifolds A symplectic structure on a smooth manifold

More information

Complex Bordism and Cobordism Applications

Complex Bordism and Cobordism Applications Complex Bordism and Cobordism Applications V. M. Buchstaber Mini-course in Fudan University, April-May 2017 Main goals: --- To describe the main notions and constructions of bordism and cobordism; ---

More information

ON STABILITY OF NON-DOMINATION UNDER TAKING PRODUCTS

ON STABILITY OF NON-DOMINATION UNDER TAKING PRODUCTS ON STABILITY OF NON-DOMINATION UNDER TAKING PRODUCTS D. KOTSCHICK, C. LÖH, AND C. NEOFYTIDIS ABSTRACT. We show that non-domination results for targets that are not dominated by products are stable under

More information

Solvability of the Dirac Equation and geomeric applications

Solvability of the Dirac Equation and geomeric applications Solvability of the Dirac Equation and geomeric applications Qingchun Ji and Ke Zhu May 21, KAIST We study the Dirac equation by Hörmander s L 2 -method. On surfaces: Control solvability of the Dirac equation

More information

Three Descriptions of the Cohomology of Bun G (X) (Lecture 4)

Three Descriptions of the Cohomology of Bun G (X) (Lecture 4) Three Descriptions of the Cohomology of Bun G (X) (Lecture 4) February 5, 2014 Let k be an algebraically closed field, let X be a algebraic curve over k (always assumed to be smooth and complete), and

More information

arxiv:alg-geom/ v1 29 Jul 1993

arxiv:alg-geom/ v1 29 Jul 1993 Hyperkähler embeddings and holomorphic symplectic geometry. Mikhail Verbitsky, verbit@math.harvard.edu arxiv:alg-geom/9307009v1 29 Jul 1993 0. ntroduction. n this paper we are studying complex analytic

More information

COMPACT KÄHLER MANIFOLDS WITH ELLIPTIC HOMOTOPY TYPE. 1. Introduction

COMPACT KÄHLER MANIFOLDS WITH ELLIPTIC HOMOTOPY TYPE. 1. Introduction COMPACT KÄHLER MANIFOLDS WITH ELLIPTIC HOMOTOPY TYPE JAUME AMORÓS AND INDRANIL BISWAS Abstract. Simply connected compact Kähler manifolds of dimension up to three with elliptic homotopy type are characterized

More information

COHOMOLOGY OF ARITHMETIC GROUPS AND EISENSTEIN SERIES: AN INTRODUCTION, II

COHOMOLOGY OF ARITHMETIC GROUPS AND EISENSTEIN SERIES: AN INTRODUCTION, II COHOMOLOGY OF ARITHMETIC GROUPS AND EISENSTEIN SERIES: AN INTRODUCTION, II LECTURES BY JOACHIM SCHWERMER, NOTES BY TONY FENG Contents 1. Review 1 2. Lifting differential forms from the boundary 2 3. Eisenstein

More information

ON THE COHOMOLOGY OF CLASSIFYING SPACES OF GROUPS OF HOMEOMORPHISMS

ON THE COHOMOLOGY OF CLASSIFYING SPACES OF GROUPS OF HOMEOMORPHISMS ON THE COHOMOLOGY OF CLASSIFYING SPACES OF GROUPS OF HOMEOMORPHISMS JAREK KĘDRA 1. Introduction and statement of the results Let M be a closed simply connected 2n dimensional manifold. The present paper

More information

Contributors. Preface

Contributors. Preface Contents Contributors Preface v xv 1 Kähler Manifolds by E. Cattani 1 1.1 Complex Manifolds........................... 2 1.1.1 Definition and Examples.................... 2 1.1.2 Holomorphic Vector Bundles..................

More information

NOTES ON HOLOMORPHIC PRINCIPAL BUNDLES OVER A COMPACT KÄHLER MANIFOLD

NOTES ON HOLOMORPHIC PRINCIPAL BUNDLES OVER A COMPACT KÄHLER MANIFOLD NOTES ON HOLOMORPHIC PRINCIPAL BUNDLES OVER A COMPACT KÄHLER MANIFOLD INDRANIL BISWAS Abstract. Our aim is to review some recent results on holomorphic principal bundles over a compact Kähler manifold.

More information

Contents. Preface...VII. Introduction... 1

Contents. Preface...VII. Introduction... 1 Preface...VII Introduction... 1 I Preliminaries... 7 1 LieGroupsandLieAlgebras... 7 1.1 Lie Groups and an Infinite-Dimensional Setting....... 7 1.2 TheLieAlgebraofaLieGroup... 9 1.3 The Exponential Map..............................

More information

Cohomology of the Mumford Quotient

Cohomology of the Mumford Quotient Cohomology of the Mumford Quotient Maxim Braverman Abstract. Let X be a smooth projective variety acted on by a reductive group G. Let L be a positive G-equivariant line bundle over X. We use a Witten

More information

arxiv: v1 [math.dg] 9 May 2016

arxiv: v1 [math.dg] 9 May 2016 VAISMAN NILMANIFOLDS GIOVANNI BAZZONI arxiv:1605.02792v1 [math.dg] 9 May 2016 Abstract. We prove that if a compact nilmanifold Γ\G is endowed with a Vaisman structure, then G is isomorphic to the Cartesian

More information

Linear connections on Lie groups

Linear connections on Lie groups Linear connections on Lie groups The affine space of linear connections on a compact Lie group G contains a distinguished line segment with endpoints the connections L and R which make left (resp. right)

More information

Stability of the Rational Homotopy Type of Moduli Spaces

Stability of the Rational Homotopy Type of Moduli Spaces Stability of the Rational Homotopy Type of Moduli Spaces Alexander A. Voronov Dedicated to Jim Stasheff on the occasion of his sixtieth birthday. Abstract. We show that for g 2k + 3 the k-rational homotopy

More information

A NOTE ON RIGIDITY OF 3-SASAKIAN MANIFOLDS

A NOTE ON RIGIDITY OF 3-SASAKIAN MANIFOLDS PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY Volume 127, Number 10, Pages 3027 3034 S 0002-9939(99)04889-3 Article electronically published on April 23, 1999 A NOTE ON RIGIDITY OF 3-SASAKIAN MANIFOLDS

More information

3 MARCH 2012, CPR, RABAT

3 MARCH 2012, CPR, RABAT RATIONAL HOMOTOPY THEORY SEMINAR Sullivan s Minimal Models My Ismail Mamouni, CPGE-CPR, Rabat Professeur Agrégé-Docteur en Math Master 1 en Sc de l éducation, Univ. Rouen mamouni.new.fr mamouni.myismail@gmail.com

More information

NilBott Tower of Aspherical Manifolds and Torus Actions

NilBott Tower of Aspherical Manifolds and Torus Actions NilBott Tower of Aspherical Manifolds and Torus Actions Tokyo Metropolitan University November 29, 2011 (Tokyo NilBottMetropolitan Tower of Aspherical University) Manifolds and Torus ActionsNovember 29,

More information

Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem

Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem PETER B. GILKEY Department of Mathematics, University of Oregon Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem Second Edition CRC PRESS Boca Raton Ann Arbor London Tokyo Contents

More information

THE COHOMOLOGY OF PRINCIPAL BUNDLES, HOMOGENEOUS SPACES, AND TWO-STAGE POSTNIKOV SYSTEMS

THE COHOMOLOGY OF PRINCIPAL BUNDLES, HOMOGENEOUS SPACES, AND TWO-STAGE POSTNIKOV SYSTEMS THE COHOMOLOGY OF PRINCIPAL BUNDLES, HOMOGENEOUS SPACES, AND TWO-STAGE POSTNIKOV SYSTEMS BY J. P. MAY 1 Communicated by F. P. Peterson, November 13, 1967 In this note, we state some results on the cohomology

More information

Introduction Curves Surfaces Curves on surfaces. Curves and surfaces. Ragni Piene Centre of Mathematics for Applications, University of Oslo, Norway

Introduction Curves Surfaces Curves on surfaces. Curves and surfaces. Ragni Piene Centre of Mathematics for Applications, University of Oslo, Norway Curves and surfaces Ragni Piene Centre of Mathematics for Applications, University of Oslo, Norway What is algebraic geometry? IMA, April 13, 2007 Outline Introduction Curves Surfaces Curves on surfaces

More information

Formality of Kähler manifolds

Formality of Kähler manifolds Formality of Kähler manifolds Aron Heleodoro February 24, 2015 In this talk of the seminar we like to understand the proof of Deligne, Griffiths, Morgan and Sullivan [DGMS75] of the formality of Kähler

More information

HYPERKÄHLER MANIFOLDS

HYPERKÄHLER MANIFOLDS HYPERKÄHLER MANIFOLDS PAVEL SAFRONOV, TALK AT 2011 TALBOT WORKSHOP 1.1. Basic definitions. 1. Hyperkähler manifolds Definition. A hyperkähler manifold is a C Riemannian manifold together with three covariantly

More information

arxiv: v1 [math.dg] 11 Feb 2014

arxiv: v1 [math.dg] 11 Feb 2014 ON BOTT-CHERN COHOMOLOGY OF COMPACT COMPLE SURFACES DANIELE ANGELLA, GEORGES DLOUSSKY, AND ADRIANO TOMASSINI Abstract We study Bott-Chern cohomology on compact complex non-kähler surfaces In particular,

More information

The shape of an algebraic variety

The shape of an algebraic variety The shape of an algebraic variety 68 th Kuwait Foundation Lecture University of Cambridge, November 1st, 2007 Carlos T. Simpson C.N.R.S., Laboratoire J. A. Dieudonné Université de Nice-Sophia Antipolis

More information

SYMPLECTIC GEOMETRY. 1. Introduction

SYMPLECTIC GEOMETRY. 1. Introduction SYMPLECTIC GEOMETRY VICENTE MUÑOZ 1. Introduction 1.1. Classical Mechanics. Let U R n be an open subset of the n-dimensional space, where a particle of mass m moves subject to a force F (x). By Newton

More information

CHARACTERISTIC CLASSES

CHARACTERISTIC CLASSES 1 CHARACTERISTIC CLASSES Andrew Ranicki Index theory seminar 14th February, 2011 2 The Index Theorem identifies Introduction analytic index = topological index for a differential operator on a compact

More information

Lecture I: Overview and motivation

Lecture I: Overview and motivation Lecture I: Overview and motivation Jonathan Evans 23rd September 2010 Jonathan Evans () Lecture I: Overview and motivation 23rd September 2010 1 / 31 Difficulty of exercises is denoted by card suits in

More information

SOME ASPECTS OF STABLE HOMOTOPY THEORY

SOME ASPECTS OF STABLE HOMOTOPY THEORY SOME ASPECTS OF STABLE HOMOTOPY THEORY By GEORGE W. WHITEHEAD 1. The suspension category Many of the phenomena of homotopy theory become simpler in the "suspension range". This fact led Spanier and J.

More information

MAXIMAL NILPOTENT QUOTIENTS OF 3-MANIFOLD GROUPS. Peter Teichner

MAXIMAL NILPOTENT QUOTIENTS OF 3-MANIFOLD GROUPS. Peter Teichner Mathematical Research Letters 4, 283 293 (1997) MAXIMAL NILPOTENT QUOTIENTS OF 3-MANIFOLD GROUPS Peter Teichner Abstract. We show that if the lower central series of the fundamental group of a closed oriented

More information

NONNEGATIVE CURVATURE AND COBORDISM TYPE. 1. Introduction

NONNEGATIVE CURVATURE AND COBORDISM TYPE. 1. Introduction NONNEGATIVE CURVATURE AND COBORDISM TYPE ANAND DESSAI AND WILDERICH TUSCHMANN Abstract. We show that in each dimension n = 4k, k 2, there exist infinite sequences of closed simply connected Riemannian

More information

Hodge theory for bundles over C algebras

Hodge theory for bundles over C algebras Hodge theory for bundles over C algebras Svatopluk Krýsl Mathematical Institute, Charles University in Prague Varna, June 2013 Symplectic linear algebra Symplectic vector space (V, ω 0 ) - real/complex

More information

LECTURE 6: J-HOLOMORPHIC CURVES AND APPLICATIONS

LECTURE 6: J-HOLOMORPHIC CURVES AND APPLICATIONS LECTURE 6: J-HOLOMORPHIC CURVES AND APPLICATIONS WEIMIN CHEN, UMASS, SPRING 07 1. Basic elements of J-holomorphic curve theory Let (M, ω) be a symplectic manifold of dimension 2n, and let J J (M, ω) be

More information

On LS-Category of a Family of Rational Elliptic Spaces II

On LS-Category of a Family of Rational Elliptic Spaces II E extracta mathematicae Vol. 31, Núm. 2, 235 250 2016 On LS-Category of a Family of Rational Elliptic Spaces II Khalid Boutahir, Youssef Rami Département de Mathématiques et Informatique, Faculté des Sciences,

More information

HYPER-KÄHLER FOURFOLDS FIBERED BY ELLIPTIC PRODUCTS

HYPER-KÄHLER FOURFOLDS FIBERED BY ELLIPTIC PRODUCTS HYPER-KÄHLER FOURFOLDS FIBERED BY ELLIPTIC PRODUCTS LJUDMILA KAMENOVA Abstract. Every fibration of a projective hyper-kähler fourfold has fibers which are Abelian surfaces. In case the Abelian surface

More information

SPECTRAL ASYMMETRY AND RIEMANNIAN GEOMETRY

SPECTRAL ASYMMETRY AND RIEMANNIAN GEOMETRY SPECTRAL ASYMMETRY AND RIEMANNIAN GEOMETRY M. F. ATIYAH, V. K. PATODI AND I. M. SINGER 1 Main Theorems If A is a positive self-adjoint elliptic (linear) differential operator on a compact manifold then

More information

MULTIPLICATIVE FIBRE MAPS

MULTIPLICATIVE FIBRE MAPS MULTIPLICATIVE FIBRE MAPS BY LARRY SMITH 1 Communicated by John Milnor, January 9, 1967 In this note we shall outline a result concerning the cohomology of a multiplicative fibre map. To fix our notation

More information