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Lattice Paths with Diagonal Steps

Canadian Mathematical Bulletin, 1969
The André-Poincaré "probléme du scrutin" [9] can be stated as follows: In an election between two candidates A polls m votes, B polls n, m > n. If the votes are counted one by one what is the probability that A leads B throughout the counting? Many derivations and interpretations of the solution have been given and a convenient summary of methods ...
Goodman, E., Narayana, T. V.
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On Lattice Paths with Four Types of Steps

Graphs and Combinatorics, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sherry H. F. Yan, Yaqiu Zhang
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Lattice Paths and Determinants

2001
In this article we look at one such marvelous piece of mathematical reasoning, the Lemma of Gessel and Viennot which has become an instant classic in combinatorial enumeration since its appearance in 1985. A similar version which was largely overlooked was previously obtained by Lindstrom.
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