The generating function of lozenge tilings for a "quarter" of a hexagon, obtained with non--intersecting lattice paths
Abstract
In a recent preprint, Lai and Rohatgi compute the generating functions of lozenge tilings of "quartered hexagons with dents" by applying the method of "graphical condensation". The purpose of this note is to exhibit how (a generalization of) Theorems 2.1 and 2.2 in Lai and Rohatgi's preprint can be achieved by the Lindstr\"om--Gessel--Viennot method of non--intersecting lattice paths and a certain determinant evaluation.
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