Singular fibers of stable maps of 3-manifolds with boundary into surfaces and their applications
classification
🧮 math.GT
keywords
boundaryfiberssingularsurfacesmanifoldsmapsstableapplications
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In this paper, we first classify singular fibers of proper $C^\infty$ stable maps of 3-dimensional manifolds with boundary into surfaces. Then, we compute the cohomology groups of the associated universal complex of singular fibers, and obtain certain cobordism invariants for Morse functions on compact surfaces with boundary.
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