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math.CT2003★ 2 cited
Group Actions on Posets
Eric Babson, Dmitry N. Kozlov
In this paper we study quotients of posets by group actions. In order to define the quotient correctly we enlarge the considered class of categories from posets to loopfree categor…
math.CT2001
Resonance Category
Dmitry N. Kozlov
The main purpose of this paper is to introduce a new category, which we call a resonance category, whose combinatorics reflect that of canonical stratifications of -fold symmetr…