A Saito criterion for holonomic divisors

Abstract

We show that a holonomic divisor is free if and only if applying all logarithmic derivations to a generic function with isolated critical point yields a complete intersection Artin algebra.

8 pages

References in corpus (1)

• Hessenberg varieties and hyperplane arrangements

Cited by in corpus (2)

• A survey of recent developments on Hessenberg varieties
• Solomon-Terao algebra of hyperplane arrangements