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math.AG2017
Defective dual varieties for real spectra
Jens Forsgård
We introduce an invariant of a finite point configuration which we denote the cuspidal form of . We use this invariant to extend Esterov's character…
math.AG2017
On transformations of A-hypergeometric functions
Jens Forsgård, Laura Felicia Matusevich, Aleksandra Sobieska
We propose a systematic study of transformations of -hypergeometric functions. Our approach is to apply changes of variables corresponding to automorphisms of toric rings, to Eu…