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pro vyhledávání: '"05A19(Primary) 05A05, 05E05 (Secondary)"'
Autor:
Hance, Travis, Li, Nan
Recently, the second author studied an Eulerian statistic (called cover) in the context of convex polytopes, and proved an equal joint distribution of (cover,des) with (des,exc). In this paper, we present several direct bijective proofs that cover is
Externí odkaz:
http://arxiv.org/abs/1208.3063
