Marcus Wallenberg Symposium

in memory of S.Kovalevski:

Differential equations and applications

held at Stockholm University, Sweden

from Sunday, June 18 to Thursday, June 22, 2000.


Sunday, June 18

11.00-13.00 Registration

13.00-13.10 Opening

Chairman J.Boman

13.10-13.55 M.Agranovich,

Spectral properties of some potential type operators on Lipschitz surfaces

14.00-14.45 W.N.Everitt,

Linear quasi-differential operators in locally integrable spaces on the real line

14.50-15.35 W.Karwowski,

Null set perturbation of the Schrödinger operators as the boundary conditions

Refreshments

Section A

Chairman A.Teta

16.00-16.25 I.Andronov,

Generalized point models in boundary contact value problems of hydroelasticity

16.30-16.55 A.Hilbert

Nagel Stein Wainger Estimates for Balls Associated with the Bismut Condition

17.00-17.25 A.Lobashev,

Effective Quantum Number for Centrally Symmetric Potentials

Break

17.40-18.05 Sh-M. Fei,

Many Body Problems with Contact Interactions

18.10-18.35 Yu.Pavlov,

The Hamilton Operator and Quantum Vacuum for Nonconformal Scalar Fields in the Homogeneous and Isotropic Space

Section B

Chairman A.Rybkin

16.00-16.25 S.Slavyanov,

Correlation between Painlevé equations and Heun class equations

16.30-16.55 A.Kiselev,

Similarity problem for the nonselfadjoint operators with absolutely continuous spectrum: functional model approach

17.00-17.25 R.Romanov,

Spectral singularities and asymptotic behavior of contractive semigroups

(canceled)

Break

17.40-18.05 S.Levin,

Dependence of the NeICl van der Waals complex resonance width on the total angular momentum value

18.10-18.35 A.Pokrovski

Lax-Phillips resonance theory for a model system with infinite scatterer


Monday, June 19

Chairman M.Agranovich

9.00-9.45 P.Ebenfelt,

Complete systems of differential equations for CR mappings

9.50-10.35 Yu.Karpeshina,

Spectral properties of the Schrödinger operator with a Periodic Potential

Refreshments

Chairman L.Volevich

11.00-11.45 S.Albeverio,

Some New Developments Concerning Singular Operators (in Finite and Infinite Dimensions)

11.50-12.35 S.Jansson,

On complex hypercontractivity

LUNCH

Chairman S.Albeverio

14.00-14.45 H.Shapiro,

Analytic Continuation of Solutions to Partial Differential Equations

14.50-15.35 E.Aurell,

An application of large deviation theory to compute the stability of a genetic switch

Refreshments

Chairman P.Kurasov

16.00-16.15 Opening address

16.15-17.15 J.-E.Björk,

Sonja Kovalevski

17.15-18.30 Visit to S.Kovalevski's grave


Tuesday, June 20

Chairman J.Brasche

9.00-9.45 L.Volevich,

The Newton Polyhedron in the Cauchy and Mixed Problem

9.50-10.35 A.Dijksma,

Singular Point-like Perturbations of the Bessel Operator in a Pontryagin Space

Refreshments

Chairman W.Karwowski

11.00-11.45 T.Kolsrud,

The heat Lie algebra and conserved quantities for heat equations

11.50-12.35 A.Teta,

Blow-up Solutions for the Schrödinger Equation with Concentrated Nonlinearity

LUNCH

Chairman W.Karwowski

14.00-14.45 J.Janas,

Spectral properties of some unbounded Jacobi operators

Transfer to Royal Institute of Technology

15.15-16.15 J.Milnor,

Remarks on Mathematics and Biology

(to be given at the Royal Institute of Technology, room E1, KTH, Lindstedtsvägen 3, b.v. Se Bråket nr. 22 sidan 2)

Transfer to the University

Section A

Chairman S.Sontz

17.00-17.25 K.Packalen,

Inverse Scattering Problem for Positons

17.30-17.55 F.Stenberg and E. von Schwerin,

Inverse scattering on Graphs

(canceled)

Section B

Chairman A.Hilbert

17.00-17.25 H.Lundmark,

A new class of integrable mechanical systems and nonstandard separation of variables

17.30-17.55 C.Waksjö,

A Criterion of Separability for Natural Hamiltonian Systems

19.00-22.00 Conference dinner and boat trip


Wednesday, June 21

Chairman W.N.Everitt

9.00-9.45 G.Stolz,

Some Recent Results and Open Problems in Random Schrödinger Operators

9.50-10.35 M.Passare,

Amoebas and Cauchy-Kovalevski theorem

Refreshments

Chairman T.Kolsrud

11.00-11.45 J.Brasche,

On the construction of self-adjoint extensions with preassigned spectral properties

11.50-12.35 J.Noble,

On the action functional of Brownian motion and the Inviscid Burgers' equation

LUNCH

Chairman P.Ebenfelt

14.00-14.45 A. Boutet de Monvel,

Surface Waves

14.50-15.35 A.Rybkin,

High energy Weyl m-function asymptotics and a unified approach to trace formulas for Schrödinger operators on the line

Refreshments

Section A

Chairman S.Naboko

16.00-16.25 B.Gustafsson,

A converse of the Cauchy-Kovalevskaya theorem: analyticity of some free boundaries

16.30-16.55 K.Mattila,

Relatively tauberian operators and boundary points of the spectrum

17.00-17.25 F.Truc,

Semi-classical Eigenvalue Asymptotics for a Schrödinger Operator with a Degenerate Potential

17.30-17.55 G.Masson,

Polynomial eigenfunctions of (dk/dxk)Qk(x)

Section B

Chairman J.Janas

16.00-16.25 S.Hassi,

Regular perturbations of selfadjoint operators in a Pontryagin space

16.30-16.55 V.Derkach,

Operator models associated with singular perturbations

17.00-17.25 S.Sontz,

On reverse hypercontractivity and reverse coercivity inequalities

17.30-17.55 J.Cruz Sampedro,

Generalized Fourier Transform for Schrödinger Operators with Potentials of Order Zero

18.00-18.25 L.Jönsson,

Local-density approximations to the elastic scattering of electrons from Mg and Ba atoms
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Thursday, June 22

Chairman Yu.Karpeshina

9.00-9.45 Yu.Demkov,

Generalized Landau-Zener Problem and Factorization of the S-Matrix

9.50-10.35 A.Khrennikov,

Theory of ultradistributions and the Cauchyproblem for PDE on the superspace

Refreshments

Chairman A.Dijksma

11.00-11.45 S.Naboko,

Essential Spectrum of a System of Singular Differential Operators and the Asymptotic Hain-Lust Operators

11.50-12.35 A.Posilicano,

Singular Perturbations of Self-adjoint Operators

LUNCH

Chairman G.Stolz

14.00-14.45 Yu.Melnikov,

Scattering on graphs and one-dimensional approximation of N-dimensional Schrödinger dynamics

14.50-15.35 A.Poltoratski,

Finite-rank perturbations of spectra

15.40 Closing
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