Complexity of inheritance of F-convexity for restricted games induced by minimum partitions
Résumé
Let G = (N,E,w ) be a weighted communication graph (with weight function w on E ). For every subset A ⊆ N, we delete in the subset E (A ) of edges with ends in A, all edges of minimum weight in E (A ). Then the connected components of the corresponding induced subgraph constitue a partition of A that we Pmin(A ). For every game (N , v ), we define the Pmin-restricted game (N , v ) by v (A = ∑F∈ Pmin (A) v(F ) for all A ⊆ N. We prove that we can decide in polynomial time if there is inheritance of F-convexity from N , v ) to the Pmin-restricted game (N , v ) where F-convexity is obtained by restricting convexity to connected subsets
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