SEMIGROUP PROPERTIES OF FACTORS IN THE POLAR DECOMPOSITION OR THE OPERATOR DE-MOIVRE FORMULA

Authors
CATEPILLAN X SZYMANSKI W
Citation
X. Catepillan et W. Szymanski, SEMIGROUP PROPERTIES OF FACTORS IN THE POLAR DECOMPOSITION OR THE OPERATOR DE-MOIVRE FORMULA, Proceedings of the American Mathematical Society, 126(12), 1998, pp. 3521-3526
Citations number
5
Categorie Soggetti
Mathematics,Mathematics,Mathematics,Mathematics
Journal title
Proceedings of the American Mathematical Society → ACNP
ISSN journal
00029939
Volume
126
Issue
12
Year of publication
1998
Pages
3521 - 3526
Database
ISI
SICI code
0002-9939(1998)126:12<3521:SPOFIT>2.0.ZU;2-2
Abstract
We give necessary and sufficient conditions under which the factors in the polar decomposition of a semigroup homomorphism are themselves se migroup homomorphisms.