Twins in ordered hyper-matchings
Twins in ordered hyper-matchings
An ordered r-matching of size n is an r-uniform hypergraph on a linearly ordered set of vertices, consisting of n pairwise disjoint edges.Two ordered r-matchings are isomorphic if there is an order-preserving isomorphism between them.A pair of twins in an ordered r-matching is formed by two vertex disjoint isomorphic sub-matchings.Let …