Results 41 to 50 of about 14,048 (109)

Simple groups with strong fixed‐point properties

open access: yesBulletin of the London Mathematical Society, Volume 58, Issue 1, January 2026.
Abstract We exhibit finitely generated torsion‐free groups for which any action on any finite‐dimensional CW‐complex with finite Betti numbers has a global fixed point.
Nansen Petrosyan
wiley   +1 more source

Singularities and stable homotopy groups of spheres II

open access: yes, 2017
We establish a connection between Morin singularities and stable homotopy groups of spheres. This connection allows us to describe how the images of singularity strata behave around the image of a more complicated stratum.Comment: 31 pages, submitted to ...
Szűcs, A., Terpai, T.
core  

Computing Homotopy Classes for Diagrams. [PDF]

open access: yesDiscrete Comput Geom, 2023
Filakovský M, Vokřínek L.
europepmc   +1 more source

Loop spaces and homotopy operations

open access: yes, 1997
The question of whether a given H-space X is, up to homotopy, a loop space has been studied from a variety of viewpoints. Here we address this question from the aspect of homotopy operations, in the classical sense of operations on homotopy groups ...
Blanc, David
core   +1 more source

The topological Atiyah-Segal map

open access: yes, 2016
Associated to each finite dimensional linear representation of a group $G$, there is a vector bundle over the classifying space $BG$. We introduce a framework for studying this construction in the context of infinite discrete groups, taking into account ...
Ramras, Daniel A.
core  

On proper branched coverings and a question of Vuorinen. [PDF]

open access: yesBull Lond Math Soc, 2022
Kauranen A, Luisto R, Tengvall V.
europepmc   +1 more source

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