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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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On flat manifold bundles and the connectivity of Haefliger’s classifying spaces
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by Sam Nariman;
Proc. Amer. Math. Soc. 152 (2024), 4943-4957
DOI: https://doi.org/10.1090/proc/16941
Published electronically: September 24, 2024

Abstract:

We investigate a conjecture due to Haefliger and Thurston in the context of foliated manifold bundles. In this context, Haefliger-Thurston’s conjecture predicts that every $M$-bundle over a manifold $B$ where $\operatorname {dim}(B)\leq \operatorname {dim}(M)$ is cobordant to a flat $M$-bundle. In particular, we study the bordism class of flat $M$-bundles over low dimensional manifolds, comparing a finite dimensional Lie group $G$ with $\mathrm {Diff}_0(G)$.
References
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Bibliographic Information
  • Sam Nariman
  • Affiliation: Department of Mathematics, Purdue University, 150 N. University Street, West Lafayette, Indiana 47907-2067
  • MR Author ID: 1228088
  • ORCID: 0000-0002-9193-9587
  • Email: snariman@purdue.edu
  • Received by editor(s): August 26, 2022
  • Received by editor(s) in revised form: March 9, 2024, March 11, 2024, and May 14, 2024
  • Published electronically: September 24, 2024
  • Additional Notes: The author was partially supported by NSF CAREER Grant DMS-2239106, NSF DMS-2113828 and Simons Foundation (855209, SN)
  • Communicated by: Julie Bergner
  • © Copyright 2024 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 152 (2024), 4943-4957
  • MSC (2020): Primary 57R30, 57R32, 57S05, 58H10, 55R40; Secondary 58D05
  • DOI: https://doi.org/10.1090/proc/16941
  • MathSciNet review: 4802645