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math.CO2010
Enumeration of standard Young tableaux of certain truncated shapes
Ron M. Adin, Ronald C. King, Yuval Roichman
Unexpected product formulas for the number of standard Young tableaux of certain truncated shapes are found and proved. These include shifted staircase shapes minus a square in the…
math.CO2010
Triangle-Free Triangulations, Hyperplane Arrangements and Shifted Tableaux
Ron M. Adin, Yuval Roichman
Flips of diagonals in colored triangle-free triangulations of a convex polygon are interpreted as moves between two adjacent chambers in a certain graphic hyperplane arrangement. P…