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arxiv: 1009.4608 · v1 · pith:Y5JCVMV6new · submitted 2010-09-23 · 🧮 math.KT

Quasi-weak equivalences in complicial exact categories

classification 🧮 math.KT
keywords exactcategoriescategoryequivalencesquasi-weakassociatedbecomescomplete
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We introduce a notion of quasi-weak equivalences associated with weak-equivalences in an exact category. It gives us a delooping for (idempotent complete) exact categories and a condition that the negative $K$-group of an exact category becomes trivial.

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