combinatorics / Graph Theory

Cycle Double Cover Conjecture

Conjectures that every bridgeless graph has a collection of cycles covering each edge exactly twice.

55Significance / 100
1Frontier events
0Verification tasks
0Recorded attempts

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combinatoricsJul 10, 2026Significance 55/100Registry: lean checked

Cycle Double Cover Conjecture

Prior state unknownproved

Conjectures that every bridgeless graph has a collection of cycles covering each edge exactly twice.

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Conjectures that every bridgeless graph has a collection of cycles covering each edge exactly twice.

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