A Zariski theorem for monodromy of $A$-hypergeometric systems

Abstract

We give conditions under which the monodromy group of an $A$-hypergeometric system is invariant under modifications of the collection of characters $A$. The key ingredient is a Zariski--Lefschetz type theorem for principal $A$-determinants.

arXiv comment16 pages, 2 figures

References in corpus (3)

• Zariski theorems and diagrams for braid groups
• The rank of a hypergeometric system
• Fundamental Groups of Spaces of Smooth Projective Hypersurfaces

Cited by in corpus (1)

• Kinematic singularities of Feynman integrals and principal A-determinants