On Firmness of the State Space and Positive Elements of a Banach Algebra
Дата
Авторы
Havea,Robin
Journal Title
Journal ISSN
Volume Title
Издатель
Journal of Universal Computer Science
Аннотация
Описание
This paper is an investigation of positive elements in a Banach algebra. Under the firmness of the state space of a Banach algebra, it is shown that even powers of positive Hermitian elements are in fact positive.
Ключевые слова
Banach algebra , constructive mathematics , state space , Hermitian elements , positive elements