Abstract
In this note we give a new proof of a closed formula for the multivariable generating series of diagonally colored Young diagrams. This series also describes the Euler characteristics of certain Nakajima quiver varieties. Our proof is a direct combinatorial argument, based on Andrews’ work on generalized Frobenius partitions. We also obtain representations of these series in some particular cases as infinite products.
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Acknowledgments
The author thanks to Balázs Szendrői, András Némethi and to the anonymous referee for numerous comments on earlier versions of this manuscript. The author was partially supported by the Lendület program of the Hungarian Academy of Sciences and by the ERC Advanced Grant LDTBud (awarded to András Stipsicz).
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Communicated by A. Constantin.
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Gyenge, Á. Enumeration of diagonally colored Young diagrams. Monatsh Math 183, 143–157 (2017). https://doi.org/10.1007/s00605-016-0957-2
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DOI: https://doi.org/10.1007/s00605-016-0957-2