Transgressions and Chern characters in coarse homotopy theory

Fuente: arXiv
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Main Author: Bunke, Ulrich
Format: Preprint
Published: 2025
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author Bunke, Ulrich
author_facet Bunke, Ulrich
contents This paper investigates a variety of coarse homology theories and natural transformations between them. We in particular study the commutativity of a square relating analytical and topological transgressions with algebraic and homotopy theoretic Chern characters. Here a transgression is a natural transformation from a coarse homology theory to a functor which factorizes over the Higson corona functor, and a Chern character is a transformation from a $K$-theory like coarse or Borel-Moore type homology theory to an ordinary version.
format Preprint
id arxiv_https___arxiv_org_abs_2512_16749
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Transgressions and Chern characters in coarse homotopy theory
Bunke, Ulrich
Algebraic Topology
K-Theory and Homology
This paper investigates a variety of coarse homology theories and natural transformations between them. We in particular study the commutativity of a square relating analytical and topological transgressions with algebraic and homotopy theoretic Chern characters. Here a transgression is a natural transformation from a coarse homology theory to a functor which factorizes over the Higson corona functor, and a Chern character is a transformation from a $K$-theory like coarse or Borel-Moore type homology theory to an ordinary version.
title Transgressions and Chern characters in coarse homotopy theory
topic Algebraic Topology
K-Theory and Homology
url https://arxiv.org/abs/2512.16749