The Krull-Remak-Schmidt-Azumaya Theorem for idempotent complete categories
Category Theory
2025-03-28 v1
Abstract
We prove that the Krull-Remak-Schmidt-Azumaya unique decomposition theorem holds in idempotent complete additive categories with enough compact objects. In particular, this result applies to compactly generated triangulated categories. In addition, we provide an example of an object with the finite exchange property that does not have the exchange property.
Keywords
Cite
@article{arxiv.2503.21216,
title = {The Krull-Remak-Schmidt-Azumaya Theorem for idempotent complete categories},
author = {Simion Breaz},
journal= {arXiv preprint arXiv:2503.21216},
year = {2025}
}
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