Nie jesteś zalogowany |
Cotygodniowe seminarium badawcze
Organizatorzy
- dr hab. Andrzej Weber, prof. ucz.
- dr Krzysztof Ziemiański
Informacje
środy, 10:30 , sala: 4070Strona domowa
http://duch.mimuw.edu.pl/~aweber/STA/Dziedziny badań
Lista referatów
-
7 czerwca 2018 16:15
Jan Spaliński (PW)
Morse-type functions, extended persistence diagrams and the Mapper - some recent results by M. Carriere and S. Oudot.
-
-
17 maja 2018 16:15
Tomasz Maszczyk (MIMUW)
Hopf-cyclic versus Kadison-relative cyclic homology of instantons
For noncommutative principal bundles corresponding to Hopf-Galois extensions Jara and Stefan established an isomorphism between the relative cyclic homology and a cyclic dual Hopf-cyclic homology with appropriate stable anti-Yetter-Drinfeld coefficients. However, known noncommutative deformations of …
-
10 maja 2018 14:15
Adam Parusiński (Nicea)
Towards intersection homology theory for real algebraic varieties
We present a definition of intersection homology for real algebraic varieties that is analogous to Goresky and MacPherson’s original definition of intersection homology for complex varieties. This definition is not purely topological and uses the …
-
19 kwietnia 2018 16:15
Andrzej Weber (MIM UW)
Aksjomaty Okounkova charakteryzujące klasy charakterystyczne orbit
Okounkov i Maulik oraz inni autorzy zdefiniowali klasy charakterystyczne osobliwych podrozmaitości w rozmaitościach zespolonych z działaniem torusa w następujących sytuacjach: - na rozmaitości działa grupa algebraiczna, badamy domknięcia orbit z działaniem maksymalnego torusa, - na …
-
12 kwietnia 2018 16:15
Tomasz Maszczyk (MIMUW)
Milnor idempotents through Toeplitz operators
Geometric generators of the even topological K-theory of a projective space were constructed by Adams. There is also known a noncommutative deformation (aka quantization) of a projective space under which the K-theory doesn't change. We …
-
5 kwietnia 2018 16:15
Krzysztof Ziemiański (MIMUW - IMPAN)
Components of directed spaces
A directed space is a topological space with a distinguished family ofpaths . Directed spaces are used in computer science as models of concurrent programs. Unfortunately, no satisfactory analogues of classical homotopy invariants of topological …
-
-
25 stycznia 2018 16:15
Adam i Witold Bednorz (FUW i MIMUW)
Sphere eversion
60 years after Smale's proof it is still not easy to visualize turning a sphere smoothly inside out. We invite for a journey from history of sphere eversions to modern development and 3D modelling tools.
-
-
11 stycznia 2018 16:15
Andrzej Weber (MIMUW)
Motywiczne klasy charakterystyczne orbit działania grup liniowych
Opowiem o wspólnej pracy z L. Feherem i R. Rimanyim o klasach charakterystycznych w K-teorii dla dziania grupy liniowej na rozmaitości algebraicznej ze skończaoną ilością orbit. Podstawowe przykłady, to przestrzenie jednorodne z działaniem grupy Borela …
-
-
7 grudnia 2017 16:15
Jan Spaliński (PW)
On the paper ,,Stability of Persistence Diagrams" by D. Cohen-Steiner, H. Edelsbrunner and J. Harer
The goal of the talk is to describe the contents of paper mentioned in the title. This interesting paperaddresses a number of topics. First, it introduces an analogue of a Morse function in the setting …
-
30 listopada 2017 16:15
Magdalena Zielenkiewicz (MIM UW)
N-categories and physics
We will try do explain how n-categories naturally arise as the most convenient framework for modern physics, from quantum mechanics through field theories to quantum gravity.
-
16 listopada 2017 16:15
Krzysztof Ziemiański (MIiM UW)
Directed path spaces via discrete vector fields
Higher Dimensional Automaton is a cubical complex with two distinguished vertices: the initial and the final state and some labeling of vertices. Higher Dimensional Automata are used to model concurrent programs; possible states (respectively possible …
