Threads in compact semigroups.
Robert J. Koch (1964/65)
Mathematische Zeitschrift
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Robert J. Koch (1964/65)
Mathematische Zeitschrift
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Olaf Tamaschke (1968)
Mathematische Zeitschrift
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Bernhard H. Neumann (1970)
Mathematische Zeitschrift
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Albert R. Stralka (1969)
Mathematische Zeitschrift
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Michael Friedberg (1971)
Mathematische Zeitschrift
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P.S. Venkatesan (1966)
Mathematische Zeitschrift
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Jacek Banasiak, Mirosław Lachowicz (2007)
Studia Mathematica
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We show that the result of Kato on the existence of a semigroup solving the Kolmogorov system of equations in l₁ can be generalized to a larger class of the so-called Kantorovich-Banach spaces. We also present a number of related generation results that can be proved using positivity methods, as well as some examples.
Elisabetta M. Mangino, Alfredo Peris (2011)
Studia Mathematica
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We study frequent hypercyclicity in the context of strongly continuous semigroups of operators. More precisely, we give a criterion (sufficient condition) for a semigroup to be frequently hypercyclic, whose formulation depends on the Pettis integral. This criterion can be verified in certain cases in terms of the infinitesimal generator of the semigroup. Applications are given for semigroups generated by Ornstein-Uhlenbeck operators, and especially for translation semigroups on weighted...
Miao Li, Quan Zheng (2003)
Studia Mathematica
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We investigate the relations between local α-times integrated semigroups and (α + 1)-times integrated Cauchy problems, and then the relations between global α-times integrated semigroups and regularized semigroups.
J.M.A.M. van Neerven (1993)
Mathematische Zeitschrift
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B. M. Schein (1974)
Colloquium Mathematicae
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Anton R. Schep (1985)
Mathematische Zeitschrift
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D.R. Brown, J.A. Hildebrant (1990)
Semigroup forum
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A. Batbedat, J.B. Fountain (1981)
Semigroup forum
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