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3 votes
0 answers
683 views

Counting / characterizing the isolated points of a particular algebraic variety

I'm not a professional geometer / topologist, so please thanks for your patience :) Setup The following questions are the first in a series of steps I'm undertaking in an attempt to break down a ...
dohmatob's user avatar
  • 6,853
3 votes
1 answer
542 views

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-...
joaohelder's user avatar