Koszul modules B_i(A) associated to a CDGA A are shown to be isomorphic to the infinitesimal Alexander invariant of its holonomy Lie algebra, with classical invariants recovered after completion for groups with 1-finite 1-models.
Suciu,Alexander invariants and cohomology jump loci in group extensions, Ann
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Koszul modules, holonomy Lie algebras, and resonance of groups and CDGAs
Koszul modules B_i(A) associated to a CDGA A are shown to be isomorphic to the infinitesimal Alexander invariant of its holonomy Lie algebra, with classical invariants recovered after completion for groups with 1-finite 1-models.