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Results tagged with co.combinatorics
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user 12201
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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1
answer
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A good vector field to calculate the Euler's number of a compact differentiable manifold
Given a triangulation of a compact, orientable and differentiable manifold $M^m$, it is possible to give a formula (in terms of real coordinates of the ambient space) for a vector field with only non- …
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