On the Boundary Partial Regularity for the incompressible Navier-Stokes Equations
|
|
- Elizabeth Rich
- 6 years ago
- Views:
Transcription
1 On the for the incompressible Navier-Stokes Equations Jitao Liu Federal University Rio de Janeiro Joint work with Wendong Wang and Zhouping Xin Rio, Brazil, May
2 Outline Introduction 1 Introduction 2 Main results Difficulties Sketch of proof
3 Partial Regularity Introduction Recall the time-dependent incompressible Navier-Stokes equations { t u u + u u + π = f, (1) u = 0, and the steady incompressible Navier-Stokes equations on Ω R n, (SNS) { u + u u = π + f, u = 0. (2) u: velocity field, π: pressure, f : forcing term.
4 Global regularity of solutions to the time-dependent Navier-Stokes equations in three space dimensions is still a wide-open problem. V. Scheffer (1976 Pacific J.Math,1977 CMP,1980 CMP) established various partial regularity results for weak solutions to the 3D Navier-Stokes equations satisfying the so-called local energy inequality. L. A. Caffarelli, R. Kohn and L. Nirenberg (1982 CPAM) firstly introdued the notion of suitable weak solutions. They also proved that, for any suitable weak solution (u, π), there is an open subset where the velocity field u is regular, and showed that the 1D Hausdorff measure of the complement of this subset is equal to zero. Remark: The notions of weak solutions and suitable weak solutions essentially differ in that the latter notion also requires a generalized energy inequality and an estimate for the pressure π.
5 Global regularity of solutions to the time-dependent Navier-Stokes equations in three space dimensions is still a wide-open problem. V. Scheffer (1976 Pacific J.Math,1977 CMP,1980 CMP) established various partial regularity results for weak solutions to the 3D Navier-Stokes equations satisfying the so-called local energy inequality. L. A. Caffarelli, R. Kohn and L. Nirenberg (1982 CPAM) firstly introdued the notion of suitable weak solutions. They also proved that, for any suitable weak solution (u, π), there is an open subset where the velocity field u is regular, and showed that the 1D Hausdorff measure of the complement of this subset is equal to zero. Remark: The notions of weak solutions and suitable weak solutions essentially differ in that the latter notion also requires a generalized energy inequality and an estimate for the pressure π.
6 Global regularity of solutions to the time-dependent Navier-Stokes equations in three space dimensions is still a wide-open problem. V. Scheffer (1976 Pacific J.Math,1977 CMP,1980 CMP) established various partial regularity results for weak solutions to the 3D Navier-Stokes equations satisfying the so-called local energy inequality. L. A. Caffarelli, R. Kohn and L. Nirenberg (1982 CPAM) firstly introdued the notion of suitable weak solutions. They also proved that, for any suitable weak solution (u, π), there is an open subset where the velocity field u is regular, and showed that the 1D Hausdorff measure of the complement of this subset is equal to zero. Remark: The notions of weak solutions and suitable weak solutions essentially differ in that the latter notion also requires a generalized energy inequality and an estimate for the pressure π.
7 Global regularity of solutions to the time-dependent Navier-Stokes equations in three space dimensions is still a wide-open problem. V. Scheffer (1976 Pacific J.Math,1977 CMP,1980 CMP) established various partial regularity results for weak solutions to the 3D Navier-Stokes equations satisfying the so-called local energy inequality. L. A. Caffarelli, R. Kohn and L. Nirenberg (1982 CPAM) firstly introdued the notion of suitable weak solutions. They also proved that, for any suitable weak solution (u, π), there is an open subset where the velocity field u is regular, and showed that the 1D Hausdorff measure of the complement of this subset is equal to zero. Remark: The notions of weak solutions and suitable weak solutions essentially differ in that the latter notion also requires a generalized energy inequality and an estimate for the pressure π.
8 The key idea of CKN is to establish certain ɛ-regularity criteria, which have many other important applications, for examples: They were crucially used by L. Escauriaza,G. Seregin and V. Sverák (2003 Russian Math. Surveys) to prove the regularity of L 3, solutions to the 3D Navier-Stokes equations; They were recently by H. Jia and V. Sverák (2013 Invent. Math) to construct forward self-similar solutions from arbitrary (-1)-homogeneous initial data; Simplified proofs and improvements can be found in many works by Lin (1998 CPAM), Ladyzhenskaya-Seregin (2002 JMFM), Tian-Xin (1999 Comm. Anal. Geom.), Seregin (2007 JMS), Gustafson-Kang-Tsai (2007 CMP), Vasseur (2007 NODEA), Kukavica (2008 DCDS), Wang-Zhang (2013 Journal d Analyse Mathematique) and the references therein.
9 The key idea of CKN is to establish certain ɛ-regularity criteria, which have many other important applications, for examples: They were crucially used by L. Escauriaza,G. Seregin and V. Sverák (2003 Russian Math. Surveys) to prove the regularity of L 3, solutions to the 3D Navier-Stokes equations; They were recently by H. Jia and V. Sverák (2013 Invent. Math) to construct forward self-similar solutions from arbitrary (-1)-homogeneous initial data; Simplified proofs and improvements can be found in many works by Lin (1998 CPAM), Ladyzhenskaya-Seregin (2002 JMFM), Tian-Xin (1999 Comm. Anal. Geom.), Seregin (2007 JMS), Gustafson-Kang-Tsai (2007 CMP), Vasseur (2007 NODEA), Kukavica (2008 DCDS), Wang-Zhang (2013 Journal d Analyse Mathematique) and the references therein.
10 The key idea of CKN is to establish certain ɛ-regularity criteria, which have many other important applications, for examples: They were crucially used by L. Escauriaza,G. Seregin and V. Sverák (2003 Russian Math. Surveys) to prove the regularity of L 3, solutions to the 3D Navier-Stokes equations; They were recently by H. Jia and V. Sverák (2013 Invent. Math) to construct forward self-similar solutions from arbitrary (-1)-homogeneous initial data; Simplified proofs and improvements can be found in many works by Lin (1998 CPAM), Ladyzhenskaya-Seregin (2002 JMFM), Tian-Xin (1999 Comm. Anal. Geom.), Seregin (2007 JMS), Gustafson-Kang-Tsai (2007 CMP), Vasseur (2007 NODEA), Kukavica (2008 DCDS), Wang-Zhang (2013 Journal d Analyse Mathematique) and the references therein.
11 The key idea of CKN is to establish certain ɛ-regularity criteria, which have many other important applications, for examples: They were crucially used by L. Escauriaza,G. Seregin and V. Sverák (2003 Russian Math. Surveys) to prove the regularity of L 3, solutions to the 3D Navier-Stokes equations; They were recently by H. Jia and V. Sverák (2013 Invent. Math) to construct forward self-similar solutions from arbitrary (-1)-homogeneous initial data; Simplified proofs and improvements can be found in many works by Lin (1998 CPAM), Ladyzhenskaya-Seregin (2002 JMFM), Tian-Xin (1999 Comm. Anal. Geom.), Seregin (2007 JMS), Gustafson-Kang-Tsai (2007 CMP), Vasseur (2007 NODEA), Kukavica (2008 DCDS), Wang-Zhang (2013 Journal d Analyse Mathematique) and the references therein.
12 Introduction Noticed that time corresponds to two space dimensions according to dimensions table, for 5D steady INS, Michael Struwe (CPAM 1988) obtained Theorem Let Ω be an open domain in R 5 and f L q (Ω) for some q > 5 2. There exists an absolute constant ɛ 0 > 0 such that the following holds true: if u H 1 (Ω, R 5 ) is a weak solution to (2) which satisfies a generalized energy inequality; and if for some x 0 Ω, there is R 0 > 0 such that r 1 u 2 dx ɛ 0, r (0, R 0 ), x x 0 <r then u is Hölder continuous in a neighborhood of x 0.
13 It is also mentioned in Struwe s paper that: It would be interesting to know if analogous partial regularity results hold in dimensions n > 5. Hongjie Dong and Rober M. Strain (2012 Indiana. Univ. Math. J) obtained the interior partial regularity for the 6D Steady Navier-Stokes Equations. Their main idea is to first establish a weak decay estimate of certain scale-invariant quantities, and then successively improve this decay estimate by a bootstrap argument and the elliptic regularity theory. The proofs therefore do not involve any compactness argument. What about the boundary partial regularity? up to the boundary was studied by V. Scheffer (1982 CMP) for the 3D time-dependent Navier-Stokes equations, who proved that at each time slice, u is locally bounded up to the boundary except for a closed set whose 1D Hausdorff measure is finite.
14 It is also mentioned in Struwe s paper that: It would be interesting to know if analogous partial regularity results hold in dimensions n > 5. Hongjie Dong and Rober M. Strain (2012 Indiana. Univ. Math. J) obtained the interior partial regularity for the 6D Steady Navier-Stokes Equations. Their main idea is to first establish a weak decay estimate of certain scale-invariant quantities, and then successively improve this decay estimate by a bootstrap argument and the elliptic regularity theory. The proofs therefore do not involve any compactness argument. What about the boundary partial regularity? up to the boundary was studied by V. Scheffer (1982 CMP) for the 3D time-dependent Navier-Stokes equations, who proved that at each time slice, u is locally bounded up to the boundary except for a closed set whose 1D Hausdorff measure is finite.
15 It is also mentioned in Struwe s paper that: It would be interesting to know if analogous partial regularity results hold in dimensions n > 5. Hongjie Dong and Rober M. Strain (2012 Indiana. Univ. Math. J) obtained the interior partial regularity for the 6D Steady Navier-Stokes Equations. Their main idea is to first establish a weak decay estimate of certain scale-invariant quantities, and then successively improve this decay estimate by a bootstrap argument and the elliptic regularity theory. The proofs therefore do not involve any compactness argument. What about the boundary partial regularity? up to the boundary was studied by V. Scheffer (1982 CMP) for the 3D time-dependent Navier-Stokes equations, who proved that at each time slice, u is locally bounded up to the boundary except for a closed set whose 1D Hausdorff measure is finite.
16 It is also mentioned in Struwe s paper that: It would be interesting to know if analogous partial regularity results hold in dimensions n > 5. Hongjie Dong and Rober M. Strain (2012 Indiana. Univ. Math. J) obtained the interior partial regularity for the 6D Steady Navier-Stokes Equations. Their main idea is to first establish a weak decay estimate of certain scale-invariant quantities, and then successively improve this decay estimate by a bootstrap argument and the elliptic regularity theory. The proofs therefore do not involve any compactness argument. What about the boundary partial regularity? up to the boundary was studied by V. Scheffer (1982 CMP) for the 3D time-dependent Navier-Stokes equations, who proved that at each time slice, u is locally bounded up to the boundary except for a closed set whose 1D Hausdorff measure is finite.
17 CKN s partial regularity results for the 3D time-dependent Navier-Stokes equations was extended up to the flat boundary by G. Seregin (2002 JMFM) and to the C 2 boundary by G. Seregin, T. Shilkin, V. Solonnikov, (2006 J. Math. Sci. (N. Y.)). In the 5D stationary case, K. Kang (2006 JMFM) proved the partial regularity up to the boundary, which extended the interior result by Struwe. Natural question: Can we get the boundary partial regularity of 6D Steady-state Navier-Stokes Equations? Yes! Notice: The previous blow-up arguments by Seregin or Kang based on the compact imbedding W 1,2 (B 1 ) L 3 (B 1 ) which fails in the 6D case don t work here.
18 CKN s partial regularity results for the 3D time-dependent Navier-Stokes equations was extended up to the flat boundary by G. Seregin (2002 JMFM) and to the C 2 boundary by G. Seregin, T. Shilkin, V. Solonnikov, (2006 J. Math. Sci. (N. Y.)). In the 5D stationary case, K. Kang (2006 JMFM) proved the partial regularity up to the boundary, which extended the interior result by Struwe. Natural question: Can we get the boundary partial regularity of 6D Steady-state Navier-Stokes Equations? Yes! Notice: The previous blow-up arguments by Seregin or Kang based on the compact imbedding W 1,2 (B 1 ) L 3 (B 1 ) which fails in the 6D case don t work here.
19 CKN s partial regularity results for the 3D time-dependent Navier-Stokes equations was extended up to the flat boundary by G. Seregin (2002 JMFM) and to the C 2 boundary by G. Seregin, T. Shilkin, V. Solonnikov, (2006 J. Math. Sci. (N. Y.)). In the 5D stationary case, K. Kang (2006 JMFM) proved the partial regularity up to the boundary, which extended the interior result by Struwe. Natural question: Can we get the boundary partial regularity of 6D Steady-state Navier-Stokes Equations? Yes! Notice: The previous blow-up arguments by Seregin or Kang based on the compact imbedding W 1,2 (B 1 ) L 3 (B 1 ) which fails in the 6D case don t work here.
20 CKN s partial regularity results for the 3D time-dependent Navier-Stokes equations was extended up to the flat boundary by G. Seregin (2002 JMFM) and to the C 2 boundary by G. Seregin, T. Shilkin, V. Solonnikov, (2006 J. Math. Sci. (N. Y.)). In the 5D stationary case, K. Kang (2006 JMFM) proved the partial regularity up to the boundary, which extended the interior result by Struwe. Natural question: Can we get the boundary partial regularity of 6D Steady-state Navier-Stokes Equations? Yes! Notice: The previous blow-up arguments by Seregin or Kang based on the compact imbedding W 1,2 (B 1 ) L 3 (B 1 ) which fails in the 6D case don t work here.
21 Main results Introduction Main results Difficulties Sketch of proof Motivated by the bootstrap argument due to Dong-Strain (2012), Jitao Liu, Wendong Wang and Zhouping Xin (2013) can get an alternative proof of Seregin or Kang s results without using any compactness argument to obtain: Theorem Let (u, π) be a suitable weak solution to (2) in B 1 + near the boundary {x B 1, x 6 = 0}. Then 0 is a regular point of u, if there exists a small positive constant ε such that one of the following conditions holds, i) lim sup r 3 r 0 + ii) lim sup r 2 r 0 + B + r B + r u(x) 3 dx < ε, u(x) 2 dx < ε.
22 Main results Introduction Main results Difficulties Sketch of proof Motivated by the bootstrap argument due to Dong-Strain (2012), Jitao Liu, Wendong Wang and Zhouping Xin (2013) can get an alternative proof of Seregin or Kang s results without using any compactness argument to obtain: Theorem Let (u, π) be a suitable weak solution to (2) in B 1 + near the boundary {x B 1, x 6 = 0}. Then 0 is a regular point of u, if there exists a small positive constant ε such that one of the following conditions holds, i) lim sup r 3 r 0 + ii) lim sup r 2 r 0 + B + r B + r u(x) 3 dx < ε, u(x) 2 dx < ε.
23 Difficulties Introduction Main results Difficulties Sketch of proof Difficulties: The control of the pressure associated with u. Interior case: The pressure can be decomposed as a sum of a harmonic function and a term which can be easily controlled in terms of u by the Calderón-Zygmund estimate. Boundary case: There are slow decaying terms involving E 1/2 (ρ) in the pressure decomposition in the presence of boundaries, where E(ρ) = ρ 2 u(x) 2 dx. This means that E 1/2 (ρ) and D 1 (ρ) ρ 2 π L 6 5 (B + ρ ) are B + ρ the same order in the standard iterative scheme, which seems impossible to obtain an effective iterative estimate by the local energy inequality as in Dong-Strain (2012).
24 Difficulties Introduction Main results Difficulties Sketch of proof Difficulties: The control of the pressure associated with u. Interior case: The pressure can be decomposed as a sum of a harmonic function and a term which can be easily controlled in terms of u by the Calderón-Zygmund estimate. Boundary case: There are slow decaying terms involving E 1/2 (ρ) in the pressure decomposition in the presence of boundaries, where E(ρ) = ρ 2 u(x) 2 dx. This means that E 1/2 (ρ) and D 1 (ρ) ρ 2 π L 6 5 (B + ρ ) are B + ρ the same order in the standard iterative scheme, which seems impossible to obtain an effective iterative estimate by the local energy inequality as in Dong-Strain (2012).
25 Difficulties Introduction Main results Difficulties Sketch of proof Difficulties: The control of the pressure associated with u. Interior case: The pressure can be decomposed as a sum of a harmonic function and a term which can be easily controlled in terms of u by the Calderón-Zygmund estimate. Boundary case: There are slow decaying terms involving E 1/2 (ρ) in the pressure decomposition in the presence of boundaries, where E(ρ) = ρ 2 u(x) 2 dx. This means that E 1/2 (ρ) and D 1 (ρ) ρ 2 π L 6 5 (B + ρ ) are B + ρ the same order in the standard iterative scheme, which seems impossible to obtain an effective iterative estimate by the local energy inequality as in Dong-Strain (2012).
26 Sketch of proof Introduction Main results Difficulties Sketch of proof Recall the local energy inequality 2 u 2 [ φdx u 2 φ + u φ( u 2 + 2π) ] + 2fuφdx Ω Ω for any nonnegative C test function φ vanishing at the boundary and scale-invariant quantities: A(r) = r 4 u(x) 2 dx, C(r) = r 3 u(x) 3 dx, B r + B r + E(r) = r 2 u(x) 2 dx, D 1 (r) = r 2 π 6, L 5 (B + r ) D(r) = r 3 F (r) = r 3 B + r B + r B + r π π B + r 3 2 dx, πb + r = 1 B + r f (x) 3 dx. B + r πdx,
27 Sketch of proof Introduction Main results Difficulties Sketch of proof Recall the local energy inequality 2 u 2 [ φdx u 2 φ + u φ( u 2 + 2π) ] + 2fuφdx Ω Ω for any nonnegative C test function φ vanishing at the boundary and scale-invariant quantities: A(r) = r 4 u(x) 2 dx, C(r) = r 3 u(x) 3 dx, B r + B r + E(r) = r 2 u(x) 2 dx, D 1 (r) = r 2 π 6, L 5 (B + r ) D(r) = r 3 F (r) = r 3 B + r B + r B + r π π B + r 3 2 dx, πb + r = 1 B + r f (x) 3 dx. B + r πdx,
28 Main results Difficulties Sketch of proof To Overcome Difficulties: We first derive a revised local energy inequality. Interior case: They choose φ = Γζ with ζ be a cut-off function 1 and Γ = (r 2 + x 2 ) 2. Boundary case: We choose 1 Γ = (k 2 r 2 + x 2 ) 2, 1 k ρ r with k be a free constant to be determined. Then we can get a revised loacl energy inequality k 2 A(r) + E(r) C 0 k 4( r ) 2A(ρ) + C0 k 1( ρ) 3 [ 1 2 C(ρ) + C 3 (ρ)d 3 (ρ)] ρ r (ρ) 2C 1 1 +C 0 3 (ρ)f 3 (ρ), r where 1 k ρ r and the constant C 0 is independent of k, r, ρ.
29 Main results Difficulties Sketch of proof To Overcome Difficulties: We first derive a revised local energy inequality. Interior case: They choose φ = Γζ with ζ be a cut-off function 1 and Γ = (r 2 + x 2 ) 2. Boundary case: We choose 1 Γ = (k 2 r 2 + x 2 ) 2, 1 k ρ r with k be a free constant to be determined. Then we can get a revised loacl energy inequality k 2 A(r) + E(r) C 0 k 4( r ) 2A(ρ) + C0 k 1( ρ) 3 [ 1 2 C(ρ) + C 3 (ρ)d 3 (ρ)] ρ r (ρ) 2C 1 1 +C 0 3 (ρ)f 3 (ρ), r where 1 k ρ r and the constant C 0 is independent of k, r, ρ.
30 Main results Difficulties Sketch of proof To Overcome Difficulties: We first derive a revised local energy inequality. Interior case: They choose φ = Γζ with ζ be a cut-off function 1 and Γ = (r 2 + x 2 ) 2. Boundary case: We choose 1 Γ = (k 2 r 2 + x 2 ) 2, 1 k ρ r with k be a free constant to be determined. Then we can get a revised loacl energy inequality k 2 A(r) + E(r) C 0 k 4( r ) 2A(ρ) + C0 k 1( ρ) 3 [ 1 2 C(ρ) + C 3 (ρ)d 3 (ρ)] ρ r (ρ) 2C 1 1 +C 0 3 (ρ)f 3 (ρ), r where 1 k ρ r and the constant C 0 is independent of k, r, ρ.
31 Main results Difficulties Sketch of proof To Overcome Difficulties: We first derive a revised local energy inequality. Interior case: They choose φ = Γζ with ζ be a cut-off function 1 and Γ = (r 2 + x 2 ) 2. Boundary case: We choose 1 Γ = (k 2 r 2 + x 2 ) 2, 1 k ρ r with k be a free constant to be determined. Then we can get a revised loacl energy inequality k 2 A(r) + E(r) C 0 k 4( r ) 2A(ρ) + C0 k 1( ρ) 3 [ 1 2 C(ρ) + C 3 (ρ)d 3 (ρ)] ρ r (ρ) 2C 1 1 +C 0 3 (ρ)f 3 (ρ), r where 1 k ρ r and the constant C 0 is independent of k, r, ρ.
32 Main results Difficulties Sketch of proof Lemma Taking k large enough, we can find a new θ 1 2 A(θρ) + E(θρ) + θ D 2 1 (θρ) such that following uniform estimate holds. Suppose ρ > 0 is a constant. Then we can find a θ 0 small, where θ 0 does not depend on ρ, such that θ A(θ 0 ρ) + E(θ 0 ρ) + θ D1(θ 2 0 ρ) 1 [ 1 θ A(ρ) + E(ρ) + 1 θ D1(ρ) 2 ] + C 0 E 3 2 (ρ) +C 0 ( E 2 (ρ) + F 2 3 (ρ) ), where C 0 is a constant independent of ρ. This yields an effective iteration scheme.
33 Main results Difficulties Sketch of proof Lemma Taking k large enough, we can find a new θ 1 2 A(θρ) + E(θρ) + θ D 2 1 (θρ) such that following uniform estimate holds. Suppose ρ > 0 is a constant. Then we can find a θ 0 small, where θ 0 does not depend on ρ, such that θ A(θ 0 ρ) + E(θ 0 ρ) + θ D1(θ 2 0 ρ) 1 [ 1 θ A(ρ) + E(ρ) + 1 θ D1(ρ) 2 ] + C 0 E 3 2 (ρ) +C 0 ( E 2 (ρ) + F 2 3 (ρ) ), where C 0 is a constant independent of ρ. This yields an effective iteration scheme.
34 Main results Difficulties Sketch of proof Lemma Taking k large enough, we can find a new θ 1 2 A(θρ) + E(θρ) + θ D 2 1 (θρ) such that following uniform estimate holds. Suppose ρ > 0 is a constant. Then we can find a θ 0 small, where θ 0 does not depend on ρ, such that θ A(θ 0 ρ) + E(θ 0 ρ) + θ D1(θ 2 0 ρ) 1 [ 1 θ A(ρ) + E(ρ) + 1 θ D1(ρ) 2 ] + C 0 E 3 2 (ρ) +C 0 ( E 2 (ρ) + F 2 3 (ρ) ), where C 0 is a constant independent of ρ. This yields an effective iteration scheme.
35 Main results Difficulties Sketch of proof Thanks for your attention!
arxiv: v1 [math.ap] 28 Jan 2011
ON PARTIAL REGULARITY OF STEADY-STATE SOLUTIONS TO THE 6D NAVIER-STOKES EQUATIONS arxiv:1101.5580v1 [math.ap] 28 Jan 2011 HONGJIE DONG AND ROBERT M. STRAIN Abstract. Consider steady-state weak solutions
More informationAnisotropic partial regularity criteria for the Navier-Stokes equations
Anisotropic partial regularity criteria for the Navier-Stokes equations Walter Rusin Department of Mathematics Mathflows 205 Porquerolles September 7, 205 The question of regularity of the weak solutions
More informationOn Smoothness of Suitable Weak Solutions to the Navier-Stokes Equations
On Smoothness of Suitable Weak Solutions to the Navier-Stokes Equations G. Seregin, V. Šverák Dedicated to Vsevolod Alexeevich Solonnikov Abstract We prove two sufficient conditions for local regularity
More informationPartial regularity for suitable weak solutions to Navier-Stokes equations
Partial regularity for suitable weak solutions to Navier-Stokes equations Yanqing Wang Capital Normal University Joint work with: Quansen Jiu, Gang Wu Contents 1 What is the partial regularity? 2 Review
More informationCRITERIA FOR THE 3D NAVIER-STOKES SYSTEM
LOCAL ENERGY BOUNDS AND ɛ-regularity CRITERIA FOR THE 3D NAVIER-STOKES SYSTEM CRISTI GUEVARA AND NGUYEN CONG PHUC Abstract. The system of three dimensional Navier-Stokes equations is considered. We obtain
More informationarxiv: v2 [math.ap] 14 May 2016
THE MINKOWSKI DIMENSION OF INTERIOR SINGULAR POINTS IN THE INCOMPRESSIBLE NAVIER STOKES EQUATIONS YOUNGWOO KOH & MINSUK YANG arxiv:16.17v2 [math.ap] 14 May 216 ABSTRACT. We study the possible interior
More informationIncompressible Navier-Stokes Equations in R 3
Incompressible Navier-Stokes Equations in R 3 Zhen Lei ( ) School of Mathematical Sciences Fudan University Incompressible Navier-Stokes Equations in R 3 p. 1/5 Contents Fundamental Work by Jean Leray
More informationOn partial regularity for the Navier-Stokes equations
On partial regularity for the Navier-Stokes equations Igor Kukavica July, 2008 Department of Mathematics University of Southern California Los Angeles, CA 90089 e-mail: kukavica@usc.edu Abstract We consider
More informationLiquid crystal flows in two dimensions
Liquid crystal flows in two dimensions Fanghua Lin Junyu Lin Changyou Wang Abstract The paper is concerned with a simplified hydrodynamic equation, proposed by Ericksen and Leslie, modeling the flow of
More informationThe enigma of the equations of fluid motion: A survey of existence and regularity results
The enigma of the equations of fluid motion: A survey of existence and regularity results RTG summer school: Analysis, PDEs and Mathematical Physics The University of Texas at Austin Lecture 1 1 The review
More informationarxiv: v3 [math.ap] 11 Nov 2018
THE MINKOWSKI DIMENSION OF BOUNDARY SINGULAR POINTS IN THE NAVIER STOKES EQUATIONS HI JUN CHOE & MINSUK YANG arxiv:1805.04724v3 [math.ap] 11 Nov 2018 ABSTRACT. We study the partial regularity problem of
More informationOn the uniqueness of heat flow of harmonic maps and hydrodynamic flow of nematic liquid crystals
On the uniqueness of heat flow of harmonic maps and hydrodynamic flow of nematic liquid crystals Fanghua Lin Changyou Wang Dedicated to Professor Roger Temam on the occasion of his 7th birthday Abstract
More informationRelative entropies, suitable weak solutions, and weak-strong uniqueness for the compressible Navier-Stokes system
Relative entropies, suitable weak solutions, and weak-strong uniqueness for the compressible Navier-Stokes system Institute of Mathematics, Academy of Sciences of the Czech Republic, Prague joint work
More informationDIRECTION OF VORTICITY AND A REFINED BLOW-UP CRITERION FOR THE NAVIER-STOKES EQUATIONS WITH FRACTIONAL LAPLACIAN
DIRECTION OF VORTICITY AND A REFINED BLOW-UP CRITERION FOR THE NAVIER-STOKES EQUATIONS WITH FRACTIONAL LAPLACIAN KENGO NAKAI Abstract. We give a refined blow-up criterion for solutions of the D Navier-
More informationMinimization problems on the Hardy-Sobolev inequality
manuscript No. (will be inserted by the editor) Minimization problems on the Hardy-Sobolev inequality Masato Hashizume Received: date / Accepted: date Abstract We study minimization problems on Hardy-Sobolev
More informationINSTITUTE OF MATHEMATICS THE CZECH ACADEMY OF SCIENCES
INSTITUTE OF MATHEMATICS THE CZECH ACADEMY OF SCIENCES A contribution to the theory of regularity of a weak solution to the Navier-Stokes equations via one component of velocity and other related quantities
More informationPartial Regularity of Solutions of the 3-D Incompressible Navier-Stokes Equations. Hermano Frid. Mikhail Perepelitsa
i Partial Regularity of Solutions of the 3-D Incompressible Navier-Stokes Equations Hermano Frid Instituto de Matemática Pura e Aplicada - IMPA Estrada Dona Castorina, 110 22460-320 Rio de Janeiro RJ,
More informationApplying Moser s Iteration to the 3D Axially Symmetric Navier Stokes Equations (ASNSE)
Applying Moser s Iteration to the 3D Axially Symmetric Navier Stokes Equations (ASNSE) Advisor: Qi Zhang Department of Mathematics University of California, Riverside November 4, 2012 / Graduate Student
More informationNonuniqueness of weak solutions to the Navier-Stokes equation
Nonuniqueness of weak solutions to the Navier-Stokes equation Tristan Buckmaster (joint work with Vlad Vicol) Princeton University November 29, 2017 Tristan Buckmaster (Princeton University) Nonuniqueness
More informationarxiv: v1 [math.ap] 24 Dec 2018
BOUNDARY ε-regularity CRITERIA FOR THE 3D NAVIER-STOKES EQUATIONS HONGJIE DONG AND KUNRUI WANG arxiv:8.09973v [math.ap] 4 Dec 08 Abstract. We establish several boundary ε-regularity criteria for suitable
More informationASYMPTOTIC STRUCTURE FOR SOLUTIONS OF THE NAVIER STOKES EQUATIONS. Tian Ma. Shouhong Wang
DISCRETE AND CONTINUOUS Website: http://aimsciences.org DYNAMICAL SYSTEMS Volume 11, Number 1, July 004 pp. 189 04 ASYMPTOTIC STRUCTURE FOR SOLUTIONS OF THE NAVIER STOKES EQUATIONS Tian Ma Department of
More informationarxiv: v1 [math.ap] 9 Nov 2015
AN ANISOTROPIC PARTIAL REGULARITY CRITERION FOR THE NAVIER-STOKES EQUATIONS arxiv:5.02807v [math.ap] 9 Nov 205 IGOR KUKAVICA, WALTER RUSIN, AND MOHAMMED ZIANE Abstract. In this paper, we address the partial
More informationDecay in Time of Incompressible Flows
J. math. fluid mech. 5 (23) 231 244 1422-6928/3/3231-14 c 23 Birkhäuser Verlag, Basel DOI 1.17/s21-3-79-1 Journal of Mathematical Fluid Mechanics Decay in Time of Incompressible Flows Heinz-Otto Kreiss,
More informationINSTITUTE OF MATHEMATICS THE CZECH ACADEMY OF SCIENCES. Note on the fast decay property of steady Navier-Stokes flows in the whole space
INSTITUTE OF MATHEMATICS THE CZECH ACADEMY OF SCIENCES Note on the fast decay property of stea Navier-Stokes flows in the whole space Tomoyuki Nakatsuka Preprint No. 15-017 PRAHA 017 Note on the fast
More informationAn estimate on the parabolic fractal dimension of the singular set for solutions of the
Home Search ollections Journals About ontact us My IOPscience An estimate on the parabolic fractal dimension of the singular set for solutions of the Navier Stokes system This article has been downloaded
More informationIMA Preprint Series # 2143
A BASIC INEQUALITY FOR THE STOKES OPERATOR RELATED TO THE NAVIER BOUNDARY CONDITION By Luan Thach Hoang IMA Preprint Series # 2143 ( November 2006 ) INSTITUTE FOR MATHEMATICS AND ITS APPLICATIONS UNIVERSITY
More informationResearch Statement. 1 Overview. Zachary Bradshaw. October 20, 2016
Research Statement Zachary Bradshaw October 20, 2016 1 Overview My research is in the field of partial differential equations. I am primarily interested in the three dimensional non-stationary Navier-Stokes
More informationA new regularity criterion for weak solutions to the Navier-Stokes equations
A new regularity criterion for weak solutions to the Navier-Stokes equations Yong Zhou Department of Mathematics, East China Normal University Shanghai 6, CHINA yzhou@math.ecnu.edu.cn Proposed running
More informationREGULARITY AND EXISTENCE OF GLOBAL SOLUTIONS TO THE ERICKSEN-LESLIE SYSTEM IN R 2
REGULARITY AND EXISTENCE OF GLOBAL SOLUTIONS TO THE ERICKSEN-LESLIE SYSTEM IN R JINRUI HUANG, FANGHUA LIN, AND CHANGYOU WANG Abstract. In this paper, we first establish the regularity theorem for suitable
More informationON THE STRONG SOLUTIONS OF THE INHOMOGENEOUS INCOMPRESSIBLE NAVIER-STOKES EQUATIONS IN A THIN DOMAIN
ON THE STRONG SOLUTIONS OF THE INHOMOGENEOUS INCOMPRESSIBLE NAVIER-STOKES EQUATIONS IN A THIN DOMAIN XIAN LIAO Abstract. In this work we will show the global existence of the strong solutions of the inhomogeneous
More informationWaves in Flows. Global Existence of Solutions with non-decaying initial data 2d(3d)-Navier-Stokes ibvp in half-plane(space)
Czech Academy of Sciences Czech Technical University in Prague University of Pittsburgh Nečas Center for Mathematical Modelling Waves in Flows Global Existence of Solutions with non-decaying initial data
More informationThe incompressible Navier-Stokes equations in vacuum
The incompressible, Université Paris-Est Créteil Piotr Bogus law Mucha, Warsaw University Journées Jeunes EDPistes 218, Institut Elie Cartan, Université de Lorraine March 23th, 218 Incompressible Navier-Stokes
More informationNew Helmholtz-Weyl decomposition in L r and its applications to the mathematical fluid mechanics
New Helmholtz-Weyl decomposition in L r and its applications to the mathematical fluid mechanics Hideo Kozono Mathematical Institute Tohoku University Sendai 980-8578 Japan Taku Yanagisawa Department of
More informationHigher derivatives estimate for the 3D Navier-Stokes equation
Higher derivatives estimate for the 3D Navier-Stokes equation Alexis Vasseur Abstract: In this article, a non linear family of spaces, based on the energy dissipation, is introduced. This family bridges
More informationPartial regularity for fully nonlinear PDE
Partial regularity for fully nonlinear PDE Luis Silvestre University of Chicago Joint work with Scott Armstrong and Charles Smart Outline Introduction Intro Review of fully nonlinear elliptic PDE Our result
More informationarxiv: v1 [math.ap] 21 Dec 2016
arxiv:1612.07051v1 [math.ap] 21 Dec 2016 On the extension to slip boundary conditions of a Bae and Choe regularity criterion for the Navier-Stokes equations. The half-space case. H. Beirão da Veiga, Department
More informationHARDY INEQUALITIES WITH BOUNDARY TERMS. x 2 dx u 2 dx. (1.2) u 2 = u 2 dx.
Electronic Journal of Differential Equations, Vol. 003(003), No. 3, pp. 1 8. ISSN: 107-6691. UL: http://ejde.math.swt.edu or http://ejde.math.unt.edu ftp ejde.math.swt.edu (login: ftp) HADY INEQUALITIES
More informationLocally convex spaces, the hyperplane separation theorem, and the Krein-Milman theorem
56 Chapter 7 Locally convex spaces, the hyperplane separation theorem, and the Krein-Milman theorem Recall that C(X) is not a normed linear space when X is not compact. On the other hand we could use semi
More informationStationary Kirchhoff equations with powers by Emmanuel Hebey (Université de Cergy-Pontoise)
Stationary Kirchhoff equations with powers by Emmanuel Hebey (Université de Cergy-Pontoise) Lectures at the Riemann center at Varese, at the SNS Pise, at Paris 13 and at the university of Nice. June 2017
More informationTWO DIMENSIONAL MINIMAL GRAPHS OVER UNBOUNDED DOMAINS
TWO DMENSONAL MNMAL GRAPHS OVER UNBOUNDED DOMANS JOEL SPRUCK Abstract. n this paper we will study solution pairs (u, D) of the minimal surface equation defined over an unbounded domain D in R, with u =
More informationarxiv: v1 [math.ap] 16 May 2007
arxiv:0705.446v1 [math.ap] 16 May 007 Regularity criterion for 3D Navier-Stokes equations in terms of the direction of the velocity Alexis Vasseur October 3, 018 Abstract In this short note, we give a
More informationThe role of the pressure in the partial regularity theory for weak solutions of the Navier Stokes equations
The role of the pressure in the partial regularity theory for weak solutions of the Navier Stokes equations Diego Chamorro,, Pierre-Gilles Lemarié-Rieusset,, Kawther Mayoufi February, 06 arxiv:60.0637v
More informationJUHA KINNUNEN. Harmonic Analysis
JUHA KINNUNEN Harmonic Analysis Department of Mathematics and Systems Analysis, Aalto University 27 Contents Calderón-Zygmund decomposition. Dyadic subcubes of a cube.........................2 Dyadic cubes
More informationBlow-up or No Blow-up? the Role of Convection in 3D Incompressible Navier-Stokes Equations
Blow-up or No Blow-up? the Role of Convection in 3D Incompressible Navier-Stokes Equations Thomas Y. Hou Applied and Comput. Mathematics, Caltech Joint work with Zhen Lei; Congming Li, Ruo Li, and Guo
More informationarxiv: v1 [math.ap] 6 Sep 2018
Weak solutions to the Navier Stokes inequality with arbitrary energy profiles Wojciech S. Ożański September 7, 2018 arxiv:1809.02109v1 [math.ap] 6 Sep 2018 Abstract In a recent paper, Buckmaster & Vicol
More informationNonlinear aspects of Calderón-Zygmund theory
Ancona, June 7 2011 Overture: The standard CZ theory Consider the model case u = f in R n Overture: The standard CZ theory Consider the model case u = f in R n Then f L q implies D 2 u L q 1 < q < with
More informationOn a Suitable Weak Solution of the Navier Stokes Equation with the Generalized Impermeability Boundary Conditions
Proceedings of the 3rd IASME/WSEAS Int. Conf. on FLUID DYNAMICS & AERODYNAMICS, Corfu, Greece, August -, 5 pp36-41 On a Suitable Weak Solution of the Navier Stokes Equation with the Generalized Impermeability
More informationA RELATIONSHIP BETWEEN THE DIRICHLET AND REGULARITY PROBLEMS FOR ELLIPTIC EQUATIONS. Zhongwei Shen
A RELATIONSHIP BETWEEN THE DIRICHLET AND REGULARITY PROBLEMS FOR ELLIPTIC EQUATIONS Zhongwei Shen Abstract. Let L = diva be a real, symmetric second order elliptic operator with bounded measurable coefficients.
More informationu( x) = g( y) ds y ( 1 ) U solves u = 0 in U; u = 0 on U. ( 3)
M ath 5 2 7 Fall 2 0 0 9 L ecture 4 ( S ep. 6, 2 0 0 9 ) Properties and Estimates of Laplace s and Poisson s Equations In our last lecture we derived the formulas for the solutions of Poisson s equation
More informationEstimates on fractional higher derivatives of weak solutions for the Navier-Stokes equations
Estimates on fractional higher derivatives of weak solutions for the Navier-Stokes equations Kyudong Choi, Alexis F. Vasseur May 6, 20 Abstract We study weak solutions of the 3D Navier-Stokes equations
More informationThe Role of Convection and Nearly Singular Behavior of the 3D Navier-Stokes Equations
The Role of Convection and Nearly Singular Behavior of the 3D Navier-Stokes Equations Thomas Y. Hou Applied and Comput. Mathematics, Caltech PDE Conference in honor of Blake Temple, University of Michigan
More informationL 3, -Solutions to the Navier-Stokes Equations and Backward Uniqueness
L 3, -Solutions to the Navier-Stokes Equations and Backward Uniqueness L. Escauriaza, G. Seregin, V. Šverák Dedicated to Olga Alexandrovna Ladyzhenskaya Abstract We show that L 3, -solutions to the Cauchy
More informationLaplace s Equation. Chapter Mean Value Formulas
Chapter 1 Laplace s Equation Let be an open set in R n. A function u C 2 () is called harmonic in if it satisfies Laplace s equation n (1.1) u := D ii u = 0 in. i=1 A function u C 2 () is called subharmonic
More informationA new regularity criterion for weak solutions to the Navier-Stokes equations
A new regularity criterion for weak solutions to the Navier-Stokes equations Yong Zhou The Institute of Mathematical Sciences and Department of Mathematics The Chinese University of Hong Kong Shatin, N.T.,
More informationON THE REGULARITY OF WEAK SOLUTIONS OF THE 3D NAVIER-STOKES EQUATIONS IN B 1
ON THE REGULARITY OF WEAK SOLUTIONS OF THE 3D NAVIER-STOKES EQUATIONS IN B 1, A. CHESKIDOV AND R. SHVYDKOY ABSTRACT. We show that if a Leray-Hopf solution u to the 3D Navier- Stokes equation belongs to
More informationSome aspects of vanishing properties of solutions to nonlinear elliptic equations
RIMS Kôkyûroku, 2014, pp. 1 9 Some aspects of vanishing properties of solutions to nonlinear elliptic equations By Seppo Granlund and Niko Marola Abstract We discuss some aspects of vanishing properties
More informationEXISTENCE OF SOLUTIONS FOR KIRCHHOFF TYPE EQUATIONS WITH UNBOUNDED POTENTIAL. 1. Introduction In this article, we consider the Kirchhoff type problem
Electronic Journal of Differential Equations, Vol. 207 (207), No. 84, pp. 2. ISSN: 072-669. URL: http://ejde.math.txstate.edu or http://ejde.math.unt.edu EXISTENCE OF SOLUTIONS FOR KIRCHHOFF TYPE EQUATIONS
More informationDETERMINATION OF THE BLOW-UP RATE FOR THE SEMILINEAR WAVE EQUATION
DETERMINATION OF THE LOW-UP RATE FOR THE SEMILINEAR WAVE EQUATION y FRANK MERLE and HATEM ZAAG Abstract. In this paper, we find the optimal blow-up rate for the semilinear wave equation with a power nonlinearity.
More informationUniversität des Saarlandes. Fachrichtung 6.1 Mathematik
Universität des Saarlandes U N I V E R S I T A S S A R A V I E N I S S Fachrichtung 6.1 Mathematik Preprint Nr. 166 A short remark on energy functionals related to nonlinear Hencky materials Michael Bildhauer
More informationA note on W 1,p estimates for quasilinear parabolic equations
200-Luminy conference on Quasilinear Elliptic and Parabolic Equations and Systems, Electronic Journal of Differential Equations, Conference 08, 2002, pp 2 3. http://ejde.math.swt.edu or http://ejde.math.unt.edu
More informationIntegro-differential equations: Regularity theory and Pohozaev identities
Integro-differential equations: Regularity theory and Pohozaev identities Xavier Ros Oton Departament Matemàtica Aplicada I, Universitat Politècnica de Catalunya PhD Thesis Advisor: Xavier Cabré Xavier
More informationALEKSANDROV-TYPE ESTIMATES FOR A PARABOLIC MONGE-AMPÈRE EQUATION
Electronic Journal of Differential Equations, Vol. 2005(2005), No. 11, pp. 1 8. ISSN: 1072-6691. URL: http://ejde.math.txstate.edu or http://ejde.math.unt.edu ftp ejde.math.txstate.edu (login: ftp) ALEKSANDROV-TYPE
More informationChanging sign solutions for the CR-Yamabe equation
Changing sign solutions for the CR-Yamabe equation Ali Maalaoui (1) & Vittorio Martino (2) Abstract In this paper we prove that the CR-Yamabe equation on the Heisenberg group has infinitely many changing
More informationOn Moving Ginzburg-Landau Vortices
communications in analysis and geometry Volume, Number 5, 85-99, 004 On Moving Ginzburg-Landau Vortices Changyou Wang In this note, we establish a quantization property for the heat equation of Ginzburg-Landau
More informationA regularity criterion for the 3D NSE in a local version of the space of functions of bounded mean oscillations
Ann. I. H. Poincaré AN 27 (2010) 773 778 www.elsevier.com/locate/anihpc A regularity criterion for the 3D NSE in a local version of the space of functions of bounded mean oscillations Zoran Grujić a,,
More informationBLOWUP THEORY FOR THE CRITICAL NONLINEAR SCHRÖDINGER EQUATIONS REVISITED
BLOWUP THEORY FOR THE CRITICAL NONLINEAR SCHRÖDINGER EQUATIONS REVISITED TAOUFIK HMIDI AND SAHBI KERAANI Abstract. In this note we prove a refined version of compactness lemma adapted to the blowup analysis
More informationOn Liouville type theorems for the steady Navier-Stokes equations in R 3
On Liouville type theorems for the steady Navier-Stokes equations in R 3 arxiv:604.07643v [math.ap] 6 Apr 06 Dongho Chae and Jörg Wolf Department of Mathematics Chung-Ang University Seoul 56-756, Republic
More informationRegularity of Weak Solution to Parabolic Fractional p-laplacian
Regularity of Weak Solution to Parabolic Fractional p-laplacian Lan Tang at BCAM Seminar July 18th, 2012 Table of contents 1 1. Introduction 1.1. Background 1.2. Some Classical Results for Local Case 2
More informationANDERSON BERNOULLI MODELS
MOSCOW MATHEMATICAL JOURNAL Volume 5, Number 3, July September 2005, Pages 523 536 ANDERSON BERNOULLI MODELS J. BOURGAIN Dedicated to Ya. Sinai Abstract. We prove the exponential localization of the eigenfunctions
More informationThe Harnack inequality for second-order elliptic equations with divergence-free drifts
The Harnack inequality for second-order elliptic equations with divergence-free drifts Mihaela Ignatova Igor Kukavica Lenya Ryzhik Monday 9 th July, 2012 Abstract We consider an elliptic equation with
More informationA New Regularity Criterion for the 3D Navier-Stokes Equations via Two Entries of the Velocity Gradient
Acta Appl Math (014) 19:175 181 DOI 10.1007/s10440-013-9834-3 A New Regularity Criterion for the 3D Navier-Stokes Euations via Two Entries of the Velocity Gradient Tensor Zujin Zhang Dingxing Zhong Lin
More informationGlobal well-posedness of the primitive equations of oceanic and atmospheric dynamics
Global well-posedness of the primitive equations of oceanic and atmospheric dynamics Jinkai Li Department of Mathematics The Chinese University of Hong Kong Dynamics of Small Scales in Fluids ICERM, Feb
More informationProperties at potential blow-up times for the incompressible Navier-Stokes equations
Properties at potential blow-up times for the incompressible Navier-Stokes equations Jens Lorenz Department of Mathematics and Statistics University of New Mexico Albuquerque, NM 87131, USA Paulo R. Zingano
More informationGAKUTO International Series
1 GAKUTO International Series Mathematical Sciences and Applications, Vol.**(****) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, pp. xxx-xxx NAVIER-STOKES SPACE TIME DECAY REVISITED In memory of Tetsuro Miyakawa,
More informationDissipative quasi-geostrophic equations with L p data
Electronic Journal of Differential Equations, Vol. (), No. 56, pp. 3. ISSN: 7-669. URL: http://ejde.math.swt.edu or http://ejde.math.unt.edu ftp ejde.math.swt.edu (login: ftp) Dissipative quasi-geostrophic
More informationMULTIPLE SOLUTIONS FOR A KIRCHHOFF EQUATION WITH NONLINEARITY HAVING ARBITRARY GROWTH
MULTIPLE SOLUTIONS FOR A KIRCHHOFF EQUATION WITH NONLINEARITY HAVING ARBITRARY GROWTH MARCELO F. FURTADO AND HENRIQUE R. ZANATA Abstract. We prove the existence of infinitely many solutions for the Kirchhoff
More informationSerrin Type Criterion for the Three-Dimensional Viscous Compressible Flows
Serrin Type Criterion for the Three-Dimensional Viscous Compressible Flows Xiangdi HUANG a,c, Jing LI b,c, Zhouping XIN c a. Department of Mathematics, University of Science and Technology of China, Hefei
More informationRegularity estimates for fully non linear elliptic equations which are asymptotically convex
Regularity estimates for fully non linear elliptic equations which are asymptotically convex Luis Silvestre and Eduardo V. Teixeira Abstract In this paper we deliver improved C 1,α regularity estimates
More informationHARMONIC ANALYSIS. Date:
HARMONIC ANALYSIS Contents. Introduction 2. Hardy-Littlewood maximal function 3. Approximation by convolution 4. Muckenhaupt weights 4.. Calderón-Zygmund decomposition 5. Fourier transform 6. BMO (bounded
More informationEnergy identity of approximate biharmonic maps to Riemannian manifolds and its application
Energy identity of approximate biharmonic maps to Riemannian manifolds and its application Changyou Wang Shenzhou Zheng December 9, 011 Abstract We consider in dimension four wealy convergent sequences
More informationA Product Property of Sobolev Spaces with Application to Elliptic Estimates
Rend. Sem. Mat. Univ. Padova Manoscritto in corso di stampa pervenuto il 23 luglio 2012 accettato l 1 ottobre 2012 A Product Property of Sobolev Spaces with Application to Elliptic Estimates by Henry C.
More informationarxiv: v2 [math.ap] 6 Sep 2007
ON THE REGULARITY OF WEAK SOLUTIONS OF THE 3D NAVIER-STOKES EQUATIONS IN B 1, arxiv:0708.3067v2 [math.ap] 6 Sep 2007 A. CHESKIDOV AND R. SHVYDKOY ABSTRACT. We show that if a Leray-Hopf solution u to the
More informationEuler Equations: local existence
Euler Equations: local existence Mat 529, Lesson 2. 1 Active scalars formulation We start with a lemma. Lemma 1. Assume that w is a magnetization variable, i.e. t w + u w + ( u) w = 0. If u = Pw then u
More informationSome recent results for two extended Navier-Stokes systems
Some recent results for two extended Navier-Stokes systems Jim Kelliher UC Riverside Joint work with Mihaela Ignatova (UCR), Gautam Iyer (Carnegie Mellon), Bob Pego (Carnegie Mellon), and Arghir Dani Zarnescu
More informationUniversität des Saarlandes. Fachrichtung 6.1 Mathematik
Universität des Saarlandes U N I V E R S I T A S S A R A V I E N I S S Fachrichtung 6.1 Mathematik Preprint Nr. 155 A posteriori error estimates for stationary slow flows of power-law fluids Michael Bildhauer,
More informationOn the existence of steady-state solutions to the Navier-Stokes system for large fluxes
Ann. Scuola Norm. Sup. Pisa Cl. Sci. (5) Vol. VII (2008), 171-180 On the existence of steady-state solutions to the Navier-Stokes system for large fluxes ANTONIO RUSSO AND GIULIO STARITA Abstract. In this
More informationOPTIMAL CONVERGENCE RATES FOR THE COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH POTENTIAL FORCES
OPTIMAL CONVERGENCE RATES FOR THE COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH POTENTIAL FORCES RENJUN DUAN Department of Mathematics, City University of Hong Kong 83 Tat Chee Avenue, Kowloon, Hong Kong,
More informationGlobal regularity of a modified Navier-Stokes equation
Global regularity of a modified Navier-Stokes equation Tobias Grafke, Rainer Grauer and Thomas C. Sideris Institut für Theoretische Physik I, Ruhr-Universität Bochum, Germany Department of Mathematics,
More informationNon-radial solutions to a bi-harmonic equation with negative exponent
Non-radial solutions to a bi-harmonic equation with negative exponent Ali Hyder Department of Mathematics, University of British Columbia, Vancouver BC V6TZ2, Canada ali.hyder@math.ubc.ca Juncheng Wei
More informationFrequency functions, monotonicity formulas, and the thin obstacle problem
Frequency functions, monotonicity formulas, and the thin obstacle problem IMA - University of Minnesota March 4, 2013 Thank you for the invitation! In this talk we will present an overview of the parabolic
More informationFrom Boltzmann Equations to Gas Dynamics: From DiPerna-Lions to Leray
From Boltzmann Equations to Gas Dynamics: From DiPerna-Lions to Leray C. David Levermore Department of Mathematics and Institute for Physical Science and Technology University of Maryland, College Park
More informationChapter One. The Calderón-Zygmund Theory I: Ellipticity
Chapter One The Calderón-Zygmund Theory I: Ellipticity Our story begins with a classical situation: convolution with homogeneous, Calderón- Zygmund ( kernels on R n. Let S n 1 R n denote the unit sphere
More informationOn the Ladyzhenskaya Smagorinsky turbulence model of the Navier Stokes equations in smooth domains. The regularity problem
J. Eur. Math. Soc. 11, 127 167 c European Mathematical Society 2009 H. Beirão da Veiga On the Ladyzhenskaya Smagorinsky turbulence model of the Navier Stokes equations in smooth domains. The regularity
More informationCourse Description for Real Analysis, Math 156
Course Description for Real Analysis, Math 156 In this class, we will study elliptic PDE, Fourier analysis, and dispersive PDE. Here is a quick summary of the topics will study study. They re described
More informationLecture No 1 Introduction to Diffusion equations The heat equat
Lecture No 1 Introduction to Diffusion equations The heat equation Columbia University IAS summer program June, 2009 Outline of the lectures We will discuss some basic models of diffusion equations and
More informationSufficient conditions on Liouville type theorems for the 3D steady Navier-Stokes equations
arxiv:1805.07v1 [math.ap] 6 May 018 Sufficient conditions on Liouville type theorems for the D steady Navier-Stokes euations G. Seregin, W. Wang May 8, 018 Abstract Our aim is to prove Liouville type theorems
More informationRIGIDITY OF STATIONARY BLACK HOLES WITH SMALL ANGULAR MOMENTUM ON THE HORIZON
RIGIDITY OF STATIONARY BLACK HOLES WITH SMALL ANGULAR MOMENTUM ON THE HORIZON S. ALEXAKIS, A. D. IONESCU, AND S. KLAINERMAN Abstract. We prove a black hole rigidity result for slowly rotating stationary
More informationDeng Songhai (Dept. of Math of Xiangya Med. Inst. in Mid-east Univ., Changsha , China)
J. Partial Diff. Eqs. 5(2002), 7 2 c International Academic Publishers Vol.5 No. ON THE W,q ESTIMATE FOR WEAK SOLUTIONS TO A CLASS OF DIVERGENCE ELLIPTIC EUATIONS Zhou Shuqing (Wuhan Inst. of Physics and
More informationSYMMETRY OF POSITIVE SOLUTIONS OF SOME NONLINEAR EQUATIONS. M. Grossi S. Kesavan F. Pacella M. Ramaswamy. 1. Introduction
Topological Methods in Nonlinear Analysis Journal of the Juliusz Schauder Center Volume 12, 1998, 47 59 SYMMETRY OF POSITIVE SOLUTIONS OF SOME NONLINEAR EQUATIONS M. Grossi S. Kesavan F. Pacella M. Ramaswamy
More informationu xx + u yy = 0. (5.1)
Chapter 5 Laplace Equation The following equation is called Laplace equation in two independent variables x, y: The non-homogeneous problem u xx + u yy =. (5.1) u xx + u yy = F, (5.) where F is a function
More information