Godbillon-Vey invariants for families of foliations
classification
🧮 math.GT
keywords
cobordismcohomologydegreefamiliesfoliationsgodbillon-veyinvariantinvariants
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The classical Godbillon-Vey invariant is an odd degree cohomology class that is a cobordism invariant of a single foliation. Here we investigate cohomology classes of even degree that are cobordism invariants of (germs of) 1-parameter families of foliations.
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