Numerical Semigroups By: J.C. Rosales; P. A. García-Sánchez Publisher: Springer Print ISBN: 9781441901590, 1441901590 eText ISBN: 9781441901606, 1441901604 Copyright year: 2009 Format: PDF Available from $ 99.00 USD SKU 9781441901606 Let N be the set of nonnegative integers. A numerical semigroup is a nonempty subset S of N that is closed under addition, contains the zero element, and whose complement in N is ?nite. If n ,...,n are positive integers with gcd{n ,...,n } = 1, then the set hn ,..., 1 e 1 e 1 n i = {? n ··· ? n
