# Questions tagged [graph-theory]

Questions about the branch of combinatorics called graph theory (not to be used for questions concerning the graph of a function). This tag can be further specialized via using it in combination with more specialized tags such as extremal-graph-theory, spectral-graph-theory, algebraic-graph-theory, topological-graph-theory, random-graphs, graph-colorings and several others.

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### Are contraction-sensitive graphs necessarily vertex-transitive?

**2**

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### Does any long path in a planar graph contain one of O(n) k-tuple of vertices?

**2**

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### Does the bounded branching/log depth dihotomy hold for rooted trees?

**2**

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### Reference request: $n$-edge-coloring bipartite graph $K_{n,n}$ such that monochromatic parts are isomorphic

**3**

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### Ear decompositions and spanning trees

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### Which groups contain a comb?

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**1**answer

### Contracting non-adjacent points in the icosahedron

**3**

**1**answer

### When can any graph $G$ be expressed as a union of $\alpha(G)$ complete graphs?

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### Bipartite allocation with minimum cost

**1**

**1**answer

### Expected size of matchings in a cubic graph

**1**

**1**answer

### Find large “induced” bipartite graph in a dense graph?

**1**

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### Succinct circuits and NEXPTIME-complete problems

**2**

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### Fastest Algorithm to calculate Graph pebbling number?

**1**

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### Algorithms for Detecting the Completion of a Triangle in a Stream of Edges

**1**

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