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
• Enlaces
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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 $\vert t\vert\rightarrow\infty$.

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