Holomorphic functional calculus for operators on a locally convex space |
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Authors: | H. Arikan L. Runov V. Zahariuta |
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Affiliation: | 1. Sabanci University, Orhanli, 81474, Tuzla-Istanbul, Turkey 2. Rostov State University, Rostov-on-Don, Russia 3. Department of Mathematics, Middle East Technical University, 06531, Ankara, Turkey 4. Sabanci University, Istanbul, Turkey
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Abstract: | One-variable holomorphic functional calculus is studied on the bornological algebra Lec(E) of all continuous linear oprators on a complete locally convex space E. It is proven that the following three basic notions of the theory are equivalent: (i) existence of projective resolvent of an operator T at a point λ0, (ii) strict regularity of λ0 for the operator T in the sense of [12, 13, 15], (iii) tamability of the operator (λ0 ? T)?1 (T if λ0 = ∞), which means that there is a new equivalent system of seminorms on E, such that the operator is bounded in each of them. |
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