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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2024 MCQ for Transactions of the American Mathematical Society is 1.48 .

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Secondary homological stability for unordered configuration spaces
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by Zachary Himes;
Trans. Amer. Math. Soc. 377 (2024), 3173-3241
DOI: https://doi.org/10.1090/tran/9015
Published electronically: March 20, 2024

Abstract:

Secondary homological stability is a recently discovered stability pattern for a sequence of spaces exhibiting homological stability and it holds outside the range where the homology stabilizes. We prove secondary homological stability for the homology of the unordered configuration spaces of a connected manifold. The main difficulty is the case that the manifold is closed because there are no obvious maps inducing stability and the homology eventually is periodic instead of stable. We resolve this issue by constructing a new chain-level stabilization map for configuration spaces.
References
Bibliographic Information
  • Zachary Himes
  • Affiliation: Department of Mathematics, Purdue University, 150 N. University Street, West Lafayette, Indiana 47906
  • ORCID: 0000-0001-8633-165X
  • Email: himesz@purdue.edu
  • Received by editor(s): March 27, 2021
  • Received by editor(s) in revised form: May 7, 2022, December 12, 2022, and June 11, 2023
  • Published electronically: March 20, 2024
  • Additional Notes: The author was supported in part by a Frederick N. Andrews Fellowship, Department of Mathematics, Purdue University and in part by the ERC under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. 756444)
  • © Copyright 2024 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 377 (2024), 3173-3241
  • DOI: https://doi.org/10.1090/tran/9015
  • MathSciNet review: 4744778