Inflation of Semigroups
Stojan Bogdanović, Svetozar Milić (1987)
Publications de l'Institut Mathématique
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Stojan Bogdanović, Svetozar Milić (1987)
Publications de l'Institut Mathématique
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M.G. Mogilevskii (1980)
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Y. Zalcstein, M. Garzón (1986-1987)
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G. Ciobanu, M. Deaconescu (1985)
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Y. Zalcstein, M. Garzón (1986-1987)
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D.C. Trueman (1983)
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R.P. Sullivan (1985)
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Piotr Budzyński, Jan Stochel (2009)
Studia Mathematica
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In the previous paper, we have characterized (joint) subnormality of a C₀-semigroup of composition operators on L²-space by positive definiteness of the Radon-Nikodym derivatives attached to it at each rational point. In the present paper, we show that in the case of C₀-groups of composition operators on L²-space the positive definiteness requirement can be replaced by a kind of consistency condition which seems to be simpler to work with. It turns out that the consistency condition...
J. Justin, G. Pirillo (1989)
Semigroup forum
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G. Greiner, I. Becker (1986-1987)
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