12 citations · 28 across the 16 of their papers we have counts for
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math.AC2019★ 1 cited
Generalized F-signatures of Hibi rings
Akihiro Higashitani, Yusuke Nakajima
The -signature is a numerical invariant defined by the number of free direct summands in the Frobenius push-forward, and it measures singularities in positive characteristic. It…
math.CO2019★ 4 cited
Deformations of Dimer Models
Akihiro Higashitani, Yusuke Nakajima
The combinatorial mutation of polygons, which transforms a given lattice polygon into another one, is an important operation to understand mirror partners for two-dimensional Fano…