A-hypergeometric series and the Hasse-Witt matrix of a hypersurface

Alan Adolphson, Steven Sperber

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We give a short combinatorial proof of the generic invertibility of the Hasse-Witt matrix of a projective hypersurface. We also examine the relationship between the Hasse-Witt matrix and certain A-hypergeometric series, which is what motivated the proof.

Original languageEnglish (US)
Pages (from-to)55-63
Number of pages9
JournalFinite Fields and their Applications
StatePublished - Sep 1 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Inc. All rights reserved.


  • A-hypergeometric series
  • Hasse-Witt matrix


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