Recent & Past Talks

2024

Nonvanishing of group cohomology of SL(n,ℤ)

LiT II: Lost in Topology

Sep 17, 2024 4:00 PM Pisa

Nieznikanie kohomologii grupy SL(n,ℤ)

Forum Matematyków Polskich

Sep 10, 2024 6:00 PM Katowice

Induction of spectral gaps for the cohomological Laplacians of SL(n,ℤ) and SAut(F_n).

Groups and topological Groups

Jun 28, 2024 4:40 PM Plentzia

Group ring aspects of cohomological properties

In this talk we will present our recent results which concern some aspects of group cohomology expressed in terms of the real group …

Jan 29, 2024 2:15 PM Wrocław

2023

Induction of spectral gaps for the cohomological Laplacians of SL(n,ℤ) and SAut(F_n)

Spanish+Polish Mathematical Meeting

Sep 7, 2023 3:00 PM Łódź

Spectral gaps for cohomological Laplacians of SL(n,ℤ)

Two-Day Geometry Meeting

May 22, 2023 4:30 PM Bristol

Vanishing of group cohomology, Kazhdan’s Property (T), and computer proofs

We will look at the vanishing of group cohomology from the perspective of Kazhdan’s property (T). We will investigate an analogue of …

May 10, 2023 4:00 PM Oxford

2022

Spectral gaps for higher Laplacians and group cohomology

I will focus on the cohomology of finitely presented groups. I plan to investigate two conditions concerning it: vanishing and …

Sep 28, 2022 11:20 AM Kraków

Fox derivatives, group cohomology, and higher property (T)

I will focus on cohomology of finitely presented groups. I plan to investigate two conditions concerning it: vanishing and reducibility …

Jul 4, 2022 5:00 PM Będlewo

Fox derivatives, group cohomology, and higher property (T).

I will focus on cohomology of finitely presented groups. I plan to investigate two conditions concerning it: vanishing and reducibility …

Jun 13, 2022 4:30 PM Milan

Fox derivatives, group cohomology, and Kazhdan's property (T)..

In this talk I will focus on cohomology of finitely presented groups. I plan to investigate two conditions concerning it: vanishing and …

Mar 22, 2022 4:30 PM Warsaw

2021

Vanishing of group cohomology and decompositions into sums of squares

A talk during a meeting of the IM PAS topology group with the topology group from Karlsruhe Institute of Technology.

Oct 1, 2021 4:00 PM Będlewo

New results on one and two fixed point actions on spheres

It is known that a finite group $G$ admits a smooth one fixed point action on a sphere if and only if $G$ is an Oliver group. One can …

Jan 12, 2021 12:20 PM online

2020

On exotic group actions on spheres

Nov 25, 2020 4:00 PM online

2019

Finding suitable dimensions for the Smith problem

Sep 30, 2019 4:30 PM Poznań

Hedging Capabilities of Bitcoin for Central and East European Markets

Jun 10, 2019 4:30 PM Glasgow

2018

Bitcoin – analysis of users' graph

Dec 10, 2018 12:30 PM Sydney

Excluding smooth effective one fixed point actions of finite Oliver groups on low-dimensional spheres

Sep 17, 2018 5:30 PM Wrocław

Excluding smooth effective one fixed point actions of finite Oliver groups on low-dimensional spheres.

Jul 4, 2018 5:00 PM Kraków