(1) Dipartimento di Matematica, Università di Messina, Contrada Papardo, salita Sperone 31, 98166 Messina, Italy
Abstract:
We compute the Betti numbers of the resolution of a special class of square-free monomial ideals, the ideals of mixed products. Moreover when these ideals are Cohen-Macaulay we calculate their type. Received: 9 March 2008