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Duality for $p$-adic étale Tate twists with modulus

Kento Yamamoto

Vol. 8 (2026), No. 4, 579–609
Abstract

We define a p-adic étale Tate twist for a modulus pair (X,D), where X is a regular semistable family and D is an effective Cartier divisor on X that is flat over a base scheme. Our main result is an arithmetic duality of p-adic étale Tate twists for proper modulus pairs (X,D), which holds as a pro-system with respect to the multiplicities of the irreducible components of D.

Keywords
$p$-adic étale Tate twist with modulus
Mathematical Subject Classification
Primary: 14F30
Milestones
Received: 29 June 2024
Revised: 20 February 2026
Accepted: 9 March 2026
Published: 10 September 2026
Authors
Kento Yamamoto
Department of Mathematics
Chuo University
Tokyo
Japan