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Tagged with graph-minors hypergraph
3 questions
5
votes
1
answer
408
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4-color theorem for hypergraphs
Question. Does every hypergraph that does not admit a complete minor with $5$ elements have a coloring with $4$ colors?
Below are the definitions to make this precise.
If $H = (V, E)$ is a hypergraph ...
3
votes
0
answers
50
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Forbidden structures for generalized hypertree width
Generalized hypertree width is a tree-width-like parameter for hypergraphs, which plays an important role in the study of constraint satisfaction problems and related areas. For its more well-known ...
7
votes
2
answers
558
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What is a hypergraph minor?
Is there a theory of hypergraph minors? I could only find some attempts to define them at papers/theses, whose main topic was something else. What would be a useful definition? Does the hypergraph ...