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Saint Petersburg – Helsinki math colloquium

Time and place

Chebyshev Laboratory, Saint Petersburg State University, May 5-7, 2015.


Tuesday May 5th


Wednesday May 6

11:00 – 11:50

Tuomas Hytönen

Advances in weighted norm inequalities

12:00 – 12:50

Vasily Vasyunin

30 years of Bellman function

13:00 -- 14:30


14:30 – 15:20

Aleksander Aptekarev

Approximation of algebraic functions by rational functions

15:30 – 16:20

István Prause

Asymptotic variance of the Beurling transform

Thusday May 7

11:00 – 11:50

Eero Saksman

Sobolev and Triebel-Lizorkin spaces via hyperbolic fillings

12:00 – 12:50

Aleksei Aleksandrov

Functions of perturbed noncommuting self-adjoint operators

13:00 – 14:30


14:30 – 15:20

Antti Kupiainen

Constructing the Liouville Model

15:30 – 16:20

Peter Zograf

Mathematical physics of map enumeration

Program in pdf




Anton Baranov (Saint Petersburg State University)

Yuri Belov (Saint Petersburg State University)

Roman Bessonov (PDMI and Saint Petersburg State University)

Konstantin Izyurov (University of Helsinki)


The idea of the meeting is to enhance the collaboration between mathematicians of Saint Petersburg and Helsinki, two cities at just a few hours by train from each other. In the case of success, we are planning to make such events regular, alternating between the two cities. In the first meeting, there will be two days (May 6 and May 7) of four or five colloquium-style talks each day.


AlekseiAleksandrovPDMI RAS
AlexanderAptekarevKeldysh Institute of Applied Mathematics RAS, Moscow
FedorBakharevSaint Petersburg State University
AntonBaranovChebyshev Laboratory, SPbSU
MikhailBasokChebyshev Laboratory, SPbSU
YuriBelovChebyshev Laboratory, SPbSU
RomanBessonovChebyshev Laboratory, SPbSU
MikhailDubashinskiyChebyshev Laboratory, SPbSU
AlexanderGlazmanUniversity of Geneva
TuomasHytönenUniversity of Helsinki
KonstantinIzyurovUniversity of Helsinki
JanneJunnilaUniversity of Helsinki
EugeneKalitaInstitute of Applied Mathematics and Mechanics
VladimirKapustinPDMI RAS
JuhaniKoivistoUniversity of Helsinki
AnttiKupiainenUniversity of Helsinki
AlexanderLogunovChebyshev Laboratory, SPbSU
YuliaMeshkovaChebyshev Laboratory, SPbSU
AlexanderNazarovPDMI RAS and SPbSU
EveliinaPeltolaUniversity of Helsinki
IstvánPrauseUniversity of Helsinki
RomanRomanovSt Petersburg State University
DmitryRutskyPDMI RAS
EeroSaksmanUniversity of Helsinki
KaySchwiegerUniversity of Helsinki
JoonasTurunenUniversity of Helsinki
VasilyVasyuninPDMI RAS
PeterZografChebyshev Laboratory, SPbSU

Contact the organizers

Konstantin Izyurov (firstname dot lastname at helsinki dot fi, Exactum D314)

Poster (high resolution).

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