Quasi-fredholm and saphar spectrums for the α-times integrated semigroups

2018/02/12 by Abdelaziz Tajmouati, Abdeslam El Bakkali, Tajmouati, Abdelaziz +5
Computer Science · Mathematics · #FOS: Mathematics #Finite Group Theory Research #Spectral Theory (math.SP) #Spectral Theory in Mathematical Physics #semigroups and automata theory

paper · pdf · doi:10.48550/arxiv.1802.04052

openalex publication_date 2018/02/12 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28

Abstract

We continue to study α-times integrated semigroups. Essentially, we characterize the different spectrums of α-times integrated semigroups by the spectrums of their generators. Particulary quasi-Fredholm, Kato, essentially Kato, Saphar and essentially Saphar spectrums.

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