10 problems
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Shannon's additivity conjecture for the Shannon capacity
Let and be undirected loopless graphs. Their sum is the disjoint union, and their Shannon capacities are … where is the -fold strong product and den…
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Shannon's disjoint-union conjecture for graph capacity
Let and be graphs, and let denote their disjoint union. Their Shannon capacities are denoted by and…
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Perturbation conjecture for Bohman's lattice-packing construction
Perturbation conjecture. We moreover conjecture that
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Sonnemann's conjecture on the Shannon capacity of the pentagon
Let be the cycle graph on five vertices, let be a positive integer, and let denote the -fold strong product of . Sonnemann's conjecture. … This…
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Lock-in conjecture for Shannon capacity of cycles
Let denote the cycle graph on vertices, let be its -fold strong graph power, let be the independence number of , and let d…
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Conjecture that quantum and entanglement-assisted Shannon capacities coincide
Let be a graph, and let and denote its quantum and entanglement-assisted Shannon capacities, respectively. Quantum capacity conjecture. For every gr…
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Conjecture that entanglement-assisted Shannon capacity equals the Lovász theta function
Let be a graph, and let be its entanglement-assisted Shannon capacity. Let be the Lovász theta function. Entanglement-assisted capacity conjecture.…
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Conjecture that quantum Shannon capacity equals entanglement-assisted Shannon capacity
Let be a graph, and let , , and denote its classical, quantum, and entanglement-assisted Shannon capacities, respectively. Quantum–entangl…
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Lovász's conjecture on Shannon capacity and the theta function
Let be a finite simple graph. Its Shannon capacity is … where is the independence number and is the -th strong graph product power. Lovász's co…
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Conjecture on the Shannon capacity of XOR game graphs
XOR game graph conjecture. The restriction used to prove class-1 behavior can be lifted: a necessary and sufficient condition for a game graph to satisfy