Logarithms and imaginary powers of operators on Hilbert spaces

Autores: Khristo N. Boyadzhiev
Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 45, Fasc. 3, 1994, págs. 287-300
Idioma: inglés
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Resumen
- We provide a necessary and sufficient condition for the existence of bounded imaginary powers of certain Hilbert space operators and study the growth of $\parallel A^{it}\parallel$ when $\vert t\vert\rightarrow\infty$.