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planar graphs with minimum degree 4

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#topological-graph-theory
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Drawing a graph on a torus

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#graph-theory #topological-graph-theory
356
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Bijective projection from a unit disk to a unit sphere

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#differential-geometry #spherical-geometry #combinatorial-geometry #stereographic-projections #topological-graph-theory
278
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Construct the smallest graph homeomorphic to a given graph by smoothing

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#general-topology #graph-theory #solution-verification #topological-graph-theory
230
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What is Euler's Formula when 2­-cell embedding condition was removed?

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#graph-theory #topological-graph-theory
250
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Automorphisms of directed surface graphs

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#graph-theory #geometric-topology #planar-graphs #topological-graph-theory
141
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Why Frucht's Theorem is only true for Finite Groups?

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#graph-theory #automorphism-group #cayley-graphs #topological-graph-theory
56
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Are all finite graphs that cannot embed in any non-orientable surface planar?

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#topological-graph-theory #non-orientable-surfaces
24
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Minor of an acyclic finite graph is acyclic as well

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#combinatorics #graph-theory #discrete-geometry #topological-graph-theory
43
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Can a graph with circumference $n$ always be $n$-colored?

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#graph-theory #coloring #topological-graph-theory
101
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What is the connection between adjacency matrix and topological measures

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#general-topology #graph-theory #algebraic-topology #algebraic-graph-theory #topological-graph-theory
83
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Upper bound for the degeneracy of maximal planar bipartite graphs

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#combinatorics #geometry #discrete-mathematics #graph-theory #topological-graph-theory
31
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Does projective-planarity with low facewidth always imply near-planarity of a graph?

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#graph-theory #topological-graph-theory
60
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What's wrong with my map of the hemicube?

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#polyhedra #polytopes #topological-graph-theory
66
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almost planar graphs are minor closed

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#combinatorics #graph-theory #topological-graph-theory #graph-minors

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