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1
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1answer
52 views

Divide self-intersecting polygon into simple polygons

My question is similar to question here Divide self-intersecting polygon I have points of self-intersecting polygon, its edges and also I am able to find points where it intersects. I have to divide ...
7
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0answers
140 views

Testing whether a tetrahedron lies inside a Polyhedron

I have a tetrahedron $t$ and a polyhedron $p$. $t$ is constrained such that it always shares all its vertices with $p$. I want to determine whether $t$ lies inside $p$. I would like to add one detail ...
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0answers
26 views

Elementary proof of compact space = exhaustible space?

The work of Martín Escardó has demonstrated close parallels between classical topology o one hand and computability on the other hand. (See for example "Infinite sets that admit fast exhaustive ...