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Cotygodniowe seminarium badawcze
Organizatorzy
- prof. dr hab. Henryk Żołądek
Informacje
piątki, 10:15 , sala: 5840Strona domowa
http://www.mimuw.edu.pl/~baranski/dsg/seminar/Dziedziny badań
Lista referatów
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26 maja 2017 10:15
Piotr Mormul (Uniwersytet Warszawski)
Weak and strong nilpotentizability in the monster towers hosting flag distributions
Weak nilpotentizability (of a distribution = subbundle in the tangent bundle to a manifold) means the existence of a (local) nilpotent basis of sections. Strong nilpotentizability of a point, say p, is the equivalence of …
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19 maja 2017 10:15
Krzysztof Barański (Uniwersytet Warszawski)
Dimension gap for self-affine sponges
I will describe recent results of D. Simmons and T. Das on the dimension of some class of self-affine sets and an example of an expanding repeller without ergodic invariant measure of full dimension.
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5 maja 2017 10:15
Volker Mayer (Université Lille 1)
Thermodynamic Formalism for entire functions: beyond balanced growth
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28 kwietnia 2017 10:15
Waldemar Pałuba (Uniwersytet Warszawski)
The question of multicriticality in a model derived from iterates of the power-law mappings
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7 kwietnia 2017 10:15
Tomasz Szarek (Uniwersytet Gdański)
Equicontinuous families of Markov operators
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31 marca 2017 10:15
Vasiliki Evdoridou (Uniwersytet Warszawski)
Non-escaping endpoints of entire functions
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24 marca 2017 10:15
Galina Filipuk (Uniwersytet Warszawski)
Differential equations for semi-classical orthogonal polynomials of class one
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17 marca 2017 10:15
Henryk Żołądek (Uniwersytet Warszawski)
Perturbations of the Lagrange and Hess-Appelrot cases in the rigid body dynamics
The Lagrange case in the rigid body dynamics is completely integrable, with a family of invariant tori supporting periodic or quasi-periodic motion. We study perturbations of this case. In the non-periodic case the KAM theory …
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10 marca 2017 10:15
Maria das Neves Rebocho (Universidade da Beira Interior)
Discrete Painlevé equations for recurrence coefficients of Laguerre-Hahn orthogonal polynomials
Laguerre-Hahn orthogonal polynomials (LHOP) are related to Stieltjes functions that satisfy a Riccati differential equation with polynomial coefficients. Such families of orthogonal polynomials are very well-known in the literature of special functions and applications. They …
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20 stycznia 2017 10:15
Michał Rams (IM PAN)
Shrinking target problem for Bedford-McMullen carpets
Given a dynamical system $T:X\to X$ with an ergodic invariant measure $\mu$, for any set $B, \mu(B)>0$ $\mu$-almost every trajectory will visit $B$ infinitely many times. However, it is an interesting question to ask a …
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13 stycznia 2017 10:15
Marcin Bobieński (Uniwersytet Warszawski)
Bounds on multiplicity and noetherian intersections
We introduce the notion of a ring of Noetherian function that is finitely generated extension of polynomials. Some explicit upper bounds for the solutions of system of analytic equations can be deduced.
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16 grudnia 2016 10:15
Waldemar Pałuba (Uniwersytet Warszawski)
Parabolic Riemann surfaces; introduction of a setting for a proof of renormalization conjectures
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9 grudnia 2016 10:15
Adam Śpiewak (Uniwersytet Warszawski)
Wiener-Wintner theorem for semigroups of Markov operators
Topological version of the Wiener-Wintner theorem characterizes parameters z from the complex unit circle for which averages \frac{1}{N} \sum_{n=0}^{N-1} z^n f(T^n x) are uniformly convergent for every continuous function f, where (X,T) is a topological …
