Professor Alexander Stasinski alexander.stasinski@durham.ac.uk
Professor
We prove that for any twist rigid compact p-adic analytic group G, its twist representation zeta function is a finite sum of terms n −s i f i (p −s), where n i are natural numbers and f i (t) ∈ Q(t) are rational functions. Mero-morphic continuation and rationality of the abscissa of the zeta function follow as corollaries. If G is moreover a prop group, we prove that its twist representation zeta function is rational in p −s. To establish these results we develop a Clifford theory for twist isoclasses of representations, including a new coho-mological invariant of a twist isoclass.
Stasinski, A., & Zordan, M. (2024). Rationality of twist representation zeta functions of compact p-adic analytic groups. Transactions of the American Mathematical Society, 377, 7601-7631
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 8, 2024 |
Online Publication Date | Aug 30, 2024 |
Publication Date | 2024-09 |
Deposit Date | May 7, 2024 |
Publicly Available Date | Oct 17, 2024 |
Journal | Transactions of the American Mathematical Society |
Print ISSN | 0002-9947 |
Electronic ISSN | 1088-6850 |
Publisher | American Mathematical Society |
Peer Reviewed | Peer Reviewed |
Volume | 377 |
Pages | 7601-7631 |
Public URL | https://durham-repository.worktribe.com/output/2433997 |
Accepted Journal Article
(592 Kb)
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