Tautological characteristic classes III: the Witt class for PSL(2)

2025/03/03 by Jan Dymara, Dymara, Jan, Tadeusz Januszkiewicz +1 · 2 voices
Mathematics · #11E81 #20G10 #Advanced Algebra and Geometry #Advanced Topics in Algebra #FOS: Mathematics #Finite Group Theory Research #Group Theory (math.GR) #K-Theory and Homology (math.KT) #math.GR #math.KT

paper · pdf · doi:10.48550/arxiv.2503.01815

openalex publication_date 2025/03/03 · arxiv published 2025/03/03 · arxiv updated 2025/03/03 · openalex created_date 2025/10/12 · openalex updated_date 2026/07/28

Abstract

We explain the relation between the Witt class and the universal equicommutative class for PSL(2,K). We discuss an analogue of the Milnor-Wood inequality.

Discussions

• Jan Dymara, Tadeusz Januszkiewicz Tautological characteristic classes III: the Witt class for PSL(2) https://arxiv.org/abs/2503.01815 [bsky, 0 points, 0 comments]
• Jan Dymara, Tadeusz Januszkiewicz: Tautological characteristic classes III: the Witt class for PSL(2) https://arxiv.org/abs/2503.01815 https://arxiv.org/pdf/2503.01815 https://arxiv.org/html/2503.0181 [bsky, 0 points, 1 comments]

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