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arxiv: 1708.07003 · v1 · pith:JEBANKMYnew · submitted 2017-08-22 · 🧮 math.CO

Lattice Path Enumeration and Its Applications in Representation Theory

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keywords dimensionslatticemodulessomeappearapplicationsapplycalculating
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In this paper, we enumerate lattice paths with certain constraints and apply the corresponding results to develop formulas for calculating the dimensions of submodules of a class of modules for planar upper triangular rook monoids. In particular, we show that the famous Catalan numbers appear as the dimensions of some special modules; we also obtain some combinatorial identities

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