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graphs that can be embedded into the plane, i.e. that can be drawn without crossings between the lines representing edges.

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Generalizations of Planar Graphs

I guess one possible generalization could be: an $m$-dimensional stratified space (i.e. "manifold with singularities") which is embeddable in $2m$-dimensional Euclidean space. Every smooth manifold ca …
Alon Amit's user avatar
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