** V.A. Steklov Mathematical Institute **

**(St.-Petersburg, Fontanka 27)**

**Fall 2016 / Spring 2017**

Other seminars in St.-Petersburg

Seminar Archive

**THE SPECIAL SEMESTER DEVOTED TO 130-TH ANNIVERSARY OF VLADIMIR IVANOVICH SMIRNOV**

**Forthcoming seminars: **

May 22, 2017, 15:00, room 311

**T.N. Shilkin,** *"On some properties of weak solutions to elliptic equations with divergence-free drifts".*

(joint work with N.D. Filonov).

**Previous seminars:**

May 15, 2017, 15:00, room 203

**N. Ustinov (SPbSU)**

*"Multiplicity of solutions to boundary value problems for fractional Dirichlet and Navier Laplacians".*

May 8, 2017, 15:00, room 311

**E.Yu. Panov (SPbSU & Veliky Novgorod)**

*"On almost periodic viscosity solutions of Hamilton-Jacobi equations".*

April 24, 2017, 15:00, room 311

**R. Bessonov (PDMI & Chebyshev Laboratory)**

*"A non-perturbative approach to triangular factorizations of Wiener-Hopf operators and spectral theory of Krein systems".*

April 17, 2017, 15:00, room 311

**A.V. Sobolev (University College, London)**

*"Extremal eigenvalues of an integral operator with difference kernel in a weighted space".*

April 10, 2017, 15:00, room 311

**E.V. Frolova,**
*"Free boundary problems of magnetohydrodynamics".*

April 3, 2017, 15:00, room 311

**E.L. Korotyaev,**
*"Trace formulae for Schrodinger operators on lattice".*

March 27, 2017, 15:00, room 311

**N. Rastegaev (Chebyshev Laboratory)**

*"On spectral asymptotics of tensor product of operators with almost regular marginal asymptotics".*

March 20, 2017, 15:00, room 311

**D.R. Yafaev (Universite de Rennes, France)**

*"Passage through a potential barrier and multiple wells".*

March 13, 2017, 15:00, room 311

**A. Comech (Moscow and Texas A&M University)**

*"Weak global attractor of the Klein-Gordon fields with finite energy in discrete space-time
with a point nonlinearity".*

March 6, 2017, 15:00, room 203

**A.I. Nazarov**,
*"What is larger, a function or its absolute value? (a bit more on fractional Laplacians)".*

February 27, 2017, 15:00, room 311

**V.G. Osmolovskii**,
*"Necessary conditions of extremum and critical points of the energy functional of two-phase elastic medium".*

February 20, 2017, 15:00, room 311

**S.A. Nazarov**,
*"On eigenfunctions of the Dirichlet and Neumann problems in the exterior of 'kissing' balls".*

February 13, 2017, 15:00, room 311

**Daniele Garrisi (Inha University, Korea)**

*"Orbital stability of standing-wave solutions to non-linear Schroedinger equations for combined power-type non-linearities in dimension one".*

December 26, 2016, 15:00, room 311

**G.A. Seregin**,
*"Liouville type theorems for the Navier-Stokes equations".*

December 19, 2016, 15:00, room 311

**O.M. Penkin (Kazakhstan)**

*"On Sobolev inequality on stratified sets".*

December 12, 2016, 15:00, room 311

**A.I. Nazarov**, *"Maximum principle for fractional Laplacians".*

December 5, 2016, 15:00, room 311

**S. Tikhomirov**, *"Traveling waves in quasiperiodic media".*

November 28, 2016, 15:00, room 311

**A. Comech (Moscow and Texas A&M University)**

*"Unique continuation principle for the Dirac operator".*

November 21, 2016, 15:00, room 311

**A.A. Arkhipova**, *"On smoothness of weak solutions to nonlinear parabolic systems".*

November 7, 2016, 15:00, room 311

**E.L. Korotyaev,**
*"Resonances of third order differential operators".*

October 31, 2016, 15:00, room 311

**F. Murat (Paris VI & CNRS)**

*"Definition, existence, stability and uniqueness of the solution to a semilinear elliptic problem with a singularity at u=0".*

October 24, 2016, 15:00, room 311

**B.A. Plamenevsky,**
*"Elastodynamics in domains with edges".*

October 17, 2016, 15:00, room 311

**M.I. Belishev,**
*"The wave spectrum of the Schrodinger operator on the halfline with defect indices (1,1)".*

October 10, 2016, 15:00, room 311

**S.B. Kolonitskiy (SPbSU)**

*"On qualitative properties of solutions to some boundary value problems for elliptic
equations with a superlinear right-hand side".*

October 3, 2016, 15:00, room 311

**D.V. Korikov (SPbSU)**

*"Asymptotics of solutions for stationary and nonstationary Maxwell systems in a domain with small holes".*

(based on a joint work with B.A. Plamenevskiy)

September 26, 2016, 15:00, room 311

**F. Bakharev,**
*"Spectral gaps for the Dirichlet-Laplacian in a 3-D waveguide periodically perturbed by a family of concentrated masses".*

September 19, 2016, 13:00, room 311

There are two speakers on this date:

13:00: **Claude Bardos (Paris),**
*"Turbulence in the zero viscosity limit with boundary effect".*

14:00: **Grigori Rozenblum (Goteborg),**
*"Characterization of finite rank Toeplitz operators with some applications".*

September 5, 2016, 15:00, room 311

**A.I. Nazarov,**
*"The trace formula for Sturm-Liouville operators perturbed by a multiplication operator with signed measure".*

(joint work with E.D. Gal'kovskiy).