PORTUGALIAE MATHEMATICA Vol. 53, No. 2, pp. 137142 (1996) 

Integral Representations of GraphsFernando C. SilvaDepartamento de Matemática, Faculdade de Ciências, Universidade de Lisboa,Rua Ernesto de Vasconcelos, 1700 Lisboa  PORTUGAL Abstract: Following the definition of graph representation modulo an integer given by Erdös and Evans in [1], we call degree of a representation to the number of prime factors in the prime factorization of its modulo. Here we study the smallest possible degree for a representation of a graph. Full text of the article:
Electronic version published on: 29 Mar 2001. This page was last modified: 27 Nov 2007.
© 1996 Sociedade Portuguesa de Matemática
