9 citations · 38 across the 39 of their papers we have counts for
Showing 2004 · math.COShow all
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math.CO2004
Discrete strip-concave functions, Gelfand-Tsetlin patterns, and related polyhedra
V. I. Danilov, A. V. Karzanov, G. E. Koshevoy
Discrete strip-concave functions considered in this paper are, in fact, equivalent to an extension of Gelfand-Tsetlin patterns to the case when the pattern has a not necessarily tr…
math.CO2004
Integer concave cocirculations and honeycombs
Alexander V. Karzanov
A convex triangular grid is represented by a planar digraph embedded in the plane so that (a) each bounded face is surrounded by three edges and forms an equilateral triangle,…