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Publication
Hokkaido Mathematical Journal
Paper
Orthogonal (g, f)-factorizations of bipartite graph
Abstract
We consider a simple graph. Let g(x) and f(x) be integer-valued functions defined on V(G) with f(x) ≥ g(x) ≥ 1 for all x ∈ V(G). A (g, f) - factor of a graph G is a spanning subgraph F of G such that g(x) ≤ dF(x) ≤ f(x) for each vertex x of F. In this paper, we mainly discuss the problem of orthogonal (g, f) -factorizations of bipartite graph. Furthermore, we generalized some predecessor’s result. © 1998 by the University of Notre Dame. All rights reserved.