We introduce a simple calculus, extending a variant of the Steenbrink spectrum, to describe Hodge-theoretic invariants for smoothings of isolated singularities with relative automorphisms. After computing these “eigenspectra” in the quasihomogeneous case, we give three applications to singularity bounding and monodromy of variations of Hodge structure (VHS).
Remarks on eigenspectra of isolated singularities
Gregory PearlsteinMembro del Collaboration Group
2023-01-01
Abstract
We introduce a simple calculus, extending a variant of the Steenbrink spectrum, to describe Hodge-theoretic invariants for smoothings of isolated singularities with relative automorphisms. After computing these “eigenspectra” in the quasihomogeneous case, we give three applications to singularity bounding and monodromy of variations of Hodge structure (VHS).File in questo prodotto:
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