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The equivariant signature of hypersurface singularities and eta- invariant. (English) Zbl 0821.32030
Consider the monodromy action associated to a germ of a hypersurface singularity. It preserves the intersection form of its Milnor fibre. In the paper, the corresponding equivariant signatures are studied.

##### MSC:
 32S25 Complex surface and hypersurface singularities 32S40 Monodromy; relations with differential equations and $$D$$-modules (complex-analytic aspects) 14J17 Singularities of surfaces or higher-dimensional varieties
##### Keywords:
equivariant signature; monodromy; hypersurface singularity
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