How can we triangulate a pair of pants in a simple way? I am looking for some triangulation where I can compute the Euler characterstic easily (which is -1 for a pair of pants).
triangulation of pair of pants
3
$\begingroup$
algebraic-topology
surfaces
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1Draw one and start subdividing! – 2012-02-08
1 Answers
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Here is one:
20 vertices, 43 edges and 22 triangles.
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1Thanks for the help. This is because pair of pants is homeomorphic to a disk with two holes. – 2012-02-08