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Almost Trivial Units in Group Rings

Efrat Shani, Anupam Srivastav

Source record

Source: arXiv

Published: Sep 18, 2026

arXiv: 2609.22560

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Source abstract

We find all ring of integers, R, and finite groups G, such that RG has almost trivial units. Moreover, for such a group ring we determine the Swan subgroup of its locally free classgroup

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Almost Trivial Units in Group Rings — Mathematical Frontier Network