Semi-Fredholm and semi-Browder spectrums for the ${\alpha}$-times integrated semigroups

Abdelaziz Tajmouati; Abdeslam El Bakkali; Hamid Boua; Mohamed Baba Mohamed Ahmed

arxiv: 1801.09733 · v1 · pith:3667LKVHnew · submitted 2018-01-29 · 🧮 math.FA · math.SP

Semi-Fredholm and semi-Browder spectrums for the {α}-times integrated semigroups

Abdelaziz Tajmouati , Abdeslam El Bakkali , Mohamed Baba Mohamed Ahmed , Hamid Boua This is my paper

classification 🧮 math.FA math.SP

keywords spectrumsalphaintegratedsemi-browdersemi-fredholmsemigroupstimesascent

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In this paper, we describe the different spectrums of the {\alpha}-times integrated semigroups by the spectrums of their generators. Specially, essential ascent and descent, upper and lower semi-Fredholm and semi-Browder spectrums.

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Semi-Fredholm and semi-Browder spectrums for the {α}-times integrated semigroups

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