Recent years have witnessed a resurgence in the interest in family size intentions and ideals in developed societies, partially stemming from the idea that realized fertility in these societies is lower than intended fertility. This paper addresses the question of the stability of family size intentions. Based on Heckhausen's life-span theory of control, it is hypothesized that young adults' fa...

In the present paper for a large family of topological semigroups, namely foundation semigroups, for which topological groups and discrete semigroups are elementary examples, it is shown that ?(S) is the dual of a function algebra.