Morris's conjecture on regular generators of non-FC families
Morris's conjecture on regular generators of non-FC families
Let and let denote the union of the sets in . A minimal generator of a union-closed family is a family whose generated union-closed family is and which is minimal with this property. A union-closed family is Non-FC if it does not satisfy Frankl's conjecture. A generator is regular when, for every nonempty and every , replacing by still generates a Non-FC union-closed family. Morris's conjecture. If for , and is a minimal generator for a Non-FC union-closed family , then is regular. The paper states that it constructs a counterexample to this conjecture, so the claim is refuted.
Sources & referencesView supporting material
Primary source
Jonad Pulaj, “Cutting Planes for Families Implying Frankl's Conjecture”, arXiv:1702.05947 (2018).
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