Algebras with operators, Koszul duality, and conformal algebras
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1 Algebras with operators, Koszul duality, and conformal algebras Pavel Kolesnikov Sobolev Institute of Mathematics Novosibirsk, Russia Third Mile High Conference on Nonassociative Mathematics Denver, Aug. 12, 2013
2 1 Algebras Associative, alternative, Lie, Jordan, Malcev, Poisson, Lie&Jordan triple systems, Sabinin algebras, differential algebras, Hom-algebras,... Replicaton pre-, post-algebras (Dendriform algebras) Algebras with Rota-Baxter operators Koszul duality di-, tri-algebras (Loday-type algebras) Algebras with averaging operators
3 1 Algebras Associative, alternative, Lie, Jordan, Malcev, Poisson, Lie&Jordan triple systems, Sabinin algebras, differential algebras, Hom-algebras,... Replication pre-, post-algebras (Dendriform algebras) Algebras with Rota-Baxter operators Koszul duality di-, tri-algebras (Loday-type algebras) Algebras with averaging operators
4 Example: 2 Lie Algebras Replication Left-symmetric algebras (pre-lie algebras) Leibniz Algebras [E. Vinberg, 1960] [J.-L. Koszul, 1961] [M. Gerstenhaber, 1963] [A. Bloh, 1965] [J.-L. Loday, 1993] [A. Cayley, 1896]
5 3 Pre-Lie Algebras Leibniz Algebras Combinatorics of rooted trees Deformation theory of algebras... and many others [D.Burde, 2005] Differential Geometry Conformal and vertex algebras Cohomology of Lie algebras
6 3 Pre-Lie Algebras Leibniz Algebras Combinatorics of rooted trees Deformation theory of algebras... and many others [D.Burde, 2005] Differential Geometry Conformal and vertex algebras Solutions of CYBE Cohomology of Lie algebras
7 4
8 5
9 6
10 [A. Belavin, V. Dinfeld, 1982] 7 [M. Semenov-Tian-Shansky, 1983]
11 [A. Belavin, V. Dinfeld, 1982] 7 [M. Semenov-Tian-Shansky, 1983]
12 Replicating an operad 8 Example:
13 Replicating an operad 9 [F. Chapoton, 2001]: [B. Vallette, 2008]: (Manin white product of operads [V. Ginzburg, M. Kapranov, 1994]) (Hadamard product of operads) for binary quadratic operads Definition: [P.K., 2008] [A. Pozhidaev, 2009] } binary case (di-) [M. Bremner, R. Felipe, J. Sanchez-Ortega, 2011] - general case (di-) [V. Gubarev, P.K., 2011] - binary case (tri-) [J.Pei, C. Bai, L. Guo, X. Ni, 2012] - name of the procedure
14 Replicating an operad (general tri-algebra case) 10 Bremner & Sanchez-Ortega + Gubarev & K. (Perm instead of ComTrias)
15 Replicating an operad Example: replicating a ternary operation 11
16 Replicating an operad Example: replicating a ternary operation 11 Replicating a monomial: e.g.,
17 Replicating an operad Example: replicating a ternary operation 11 Replicating a monomial: e.g.,
18 Replicating an operad Example: replicating a ternary operation 11 Replicating a monomial: e.g., any of
19 Replicating an operad Examples 12 di-lie = Leib di-com = Perm [F. Chapoton, 2001] di-as = Dias [J.-L. Loday, T. Pirashvili, 1993] di-alt [L. Dong, 2005] di-jord [M. Bremner, L. Peresi, 2011] di-jts [M. Bremner, R. Felipe, J. Sanchez-Ortega, 2011] di-mal [ M. Bremner, L. Peresi, J. Sanchez-Ortega, 2011] tri-com = ComTrias [B. Vallette, 2007] tri-as = Trias [J.-L. Loday, M. Ronco, 2004]
20 Replicating an operad 13 (c.f. [P.K., 2008], [A. Pozhidaev, 2009], [P.K., V. Voronin, 2013])
21 Replicating an operad (Averaging operators) Demo case: one binary operation 14
22 Replicating an operad (Averaging operators) Demo case: one binary operation 14
23 Replicating an operad (PBW-type problems) 15???
24 Replicating an operad (PBW-type problems) 16
25 Replicating an operad (PBW-type problems) 16
26 Replicating an operad (PBW-type problems) 16
27 Replicating an operad (PBW-type problems) 17
28 Replicating an operad (PBW-type problems) 17
29 Replicating an operad (Special identities) 18
30 Replicating an operad (Special identities) 18
31 Replicating an operad (Special identities) 19
32 Splitting an operad 20 name of the procedure The structures obtained are ``dual to di- and tri-algebras
33 Splitting an operad Koszul duality for operads [V. Ginzburg, M. Kapranov, 1994] 21 Example:
34 Splitting an operad for binary quadratic operads 22 } Black and white Manin products of binary quadratic operads
35 Splitting an operad for binary quadratic operads 23
36 Splitting an operad (Pre-algebras, general case) 24
37 Splitting an operad Example: splitting of 25
38 Splitting an operad Example: splitting of 25
39 Splitting an operad (Post-algebras, general case) 26
40 Splitting an operad 27
41 Splitting an operad 28
42 Splitting an operad (Rota-Baxter operators) Demo case: one binary operation 29 [G. Baxter, 1960] [G.-C. Rota, 1969]
43 Splitting an operad (Rota-Baxter operators) Demo case: one binary operation 30
44 Splitting an operad (Rota-Baxter operators) arbitrary operad 31
45 Splitting an operad (Rota-Baxter operators) arbitrary operad 31
46 Splitting an operad (PBW-type problems and special identities) 32
47 Splitting an operad (PBW-type problems and special identities) 32?
48 Splitting an operad (PBW-type problems and special identities) 33
49 Splitting an operad (Example) 34
50 Splitting an operad (PBW-type problems and special identities) 35 [M. Bremner, S. Madariaga, 2013]: pre-jord pre-as No special identities of degree <8 6 special identities of degree 8
51 Splitting an operad (A counterexample) 36
52 Thank you!
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