Smallest zero-suppressed decision diagram for spanning trees of K6
TheoremDB P3764 · algorithms
Inferred from the community field; finer classification has not been reviewed.
Problem statement
Represent the 1296 spanning trees of as subsets of its fifteen edges. Over all edge-variable orders, determine the minimum number of nonterminal nodes in a reduced zero-suppressed decision diagram for this set family.
Lean 4
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Progress & source assessment
Source-reported assessment, retrieved 8 September 2026. Frontier Science has not independently reviewed this status.
Open. No signed Lean verification is attached to this problem or its selected resolution.
- [1]TheoremDB P3764 link
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