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Existence of special planar graphs

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#graph-theory #planar-graphs
118
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Confusion in understanding two equivalent statements of Kuratowski's Theorem

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#graph-theory #planar-graphs
77
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Describe a function $C^1$

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#functions #planar-graphs
278
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Proof that a graph with at most $n+2$ edges is planar

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#graph-theory #planar-graphs
151
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Lower bound on the number of edges in a non-$k$-planar graph.

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#graph-theory #planar-graphs #extremal-graph-theory
75
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Proving the 4-color theorem.

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#general-topology #graph-theory #coloring #planar-graphs
290
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What is the range of possible values for the length of a cycle in a 3-connected pentagulation?

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#graph-theory #planar-graphs
75
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Inferences from Euler formula, a sufficient condition?

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#graph-theory #planar-graphs
676
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The minimal partition of a triangle into pentagons

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#graph-theory #planar-graphs
73
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Is this graph with $n$ vertices a planar graph?

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#number-theory #graph-theory #planar-graphs
90
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Lower bounds on the matching number of maximal planar graphs.

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#graph-theory #proof-explanation #planar-graphs #matching-theory
56
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Graph theory and homology group

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#graph-theory #homology-cohomology #planar-graphs
83
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Prove that regions formed by a planar map vertices even degree can be colored with two colors such that no two neighboring regions have the same color

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#discrete-mathematics #graph-theory #solution-verification #coloring #planar-graphs
47
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Find shortest/longest face cycle across all combinatorial embeddings of a planar graph

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#combinatorics #graph-theory #planar-graphs
164
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Is this degree sequence planar?

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#combinatorics #graph-theory #planar-graphs #eulerian-path

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