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math.CO2009★ 6 cited
Bijective proofs for Schur function identities
Markus Fulmek
Gurevich, Pyatov and Saponov recently stated an expansion for the product of two Schur functions and gave a proof based on the Pluecker relations. Here we show that this identity i…
math.CO2009
Graphical condensation, overlapping Pfaffians and superpositions of matchings
Markus Fulmek
The purpose of this note is to exhibit clearly how the "graphical condensation" identities of Kuo, Yan, Yeh and Zhang follow from classical Pfaffian identities by the Kasteleyn-Per…