Results 151 to 160 of about 419 (187)
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Journal of the London Mathematical Society, 1990
The following theorem is shown: Let G be a superstable group. Then there are definable subgroups \(=H_ 0\triangleleft H_ 1\triangleleft...\triangleleft H_ r\triangleleft G\) such that \(H_{i+1}/H_ i\) is infinite and either abelian or simple and \(H_ r\) is of finite index in G.
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The following theorem is shown: Let G be a superstable group. Then there are definable subgroups \(=H_ 0\triangleleft H_ 1\triangleleft...\triangleleft H_ r\triangleleft G\) such that \(H_{i+1}/H_ i\) is infinite and either abelian or simple and \(H_ r\) is of finite index in G.
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Publicationes Mathematicae Debrecen, 1994
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Tabor, Jacek, Tabor, Józef
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Tabor, Jacek, Tabor, Józef
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On “Superstable” discrete systems
Automation and Remote Control, 2007zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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1988
In 1970 Herman Kahn, physicist and nuclear war theorist, predicted that Japan would become the ‘First Superstate’ — that its GDP would double between 1970 and 1975, and again between 1975 and 1980 — a fourfold expansion in a decade. Between 1970 and 2000, annual growth rates would average 9 percent a year, so that by the year 2000 GDP in Japan would be
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In 1970 Herman Kahn, physicist and nuclear war theorist, predicted that Japan would become the ‘First Superstate’ — that its GDP would double between 1970 and 1975, and again between 1975 and 1980 — a fourfold expansion in a decade. Between 1970 and 2000, annual growth rates would average 9 percent a year, so that by the year 2000 GDP in Japan would be
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1996
Abstract In this final chapter we give some scattered results on superstable theories. One of the main lines here is the development of some technology which helps towards generalizing results from the finite rank context to the general superstable context. A key point is the interaction between the local theory developed in Chapter 7
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Abstract In this final chapter we give some scattered results on superstable theories. One of the main lines here is the development of some technology which helps towards generalizing results from the finite rank context to the general superstable context. A key point is the interaction between the local theory developed in Chapter 7
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A note on nonmultidimensional superstable theories
Journal of Symbolic Logic, 1985In this paper we prove that if T is the complete elementary diagram of a countable structure and is a theory as in the title, then Vaught's conjecture holds for T. This result is Theorem 7, below. In the process of establishing this proposition, in Theorem 3 we give a sufficient condition for a superstable theory having only countably many types ...
Anand Pillay, Charles Steinhorn
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Kueker's conjecture for superstable theories
Journal of Symbolic Logic, 1984AbstractWe prove that if every uncountable model of a first-order theory T is ω-saturated and T is superstable then T is categorical in some infinite power.
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Superstability of linear switched systems
International Journal of Systems Science, 2013This paper applies the concept of superstability to switched linear systems as a particular case of linear time-varying systems. A generalised concept of superstability, applied to complex matrices, and extended superstability, is introduced in order to obtain a new result for guaranteeing the asymptotic stability of a switched system under arbitrary ...
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