Some counterexamples for infinite dimensional Lie algebras
Gary E. Stevens (1978)
Compositio Mathematica
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Gary E. Stevens (1978)
Compositio Mathematica
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Janusz Grabowski (1985)
Studia Mathematica
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Benalili, Mohammed, Lansari, Azzedine (2001)
Journal of Lie Theory
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Ian Stewart (1972)
Compositio Mathematica
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Luisa Carini (1987)
Rendiconti del Seminario Matematico della Università di Padova
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Saïd Benayadi (1996)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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W. R. Brian (2015)
Fundamenta Mathematicae
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Recall that a P-set is a closed set X such that the intersection of countably many neighborhoods of X is again a neighborhood of X. We show that if 𝔱 = 𝔠 then there is a minimal right ideal of (βℕ,+) that is also a P-set. We also show that the existence of such P-sets implies the existence of P-points; in particular, it is consistent with ZFC that no minimal right ideal is a P-set. As an application of these results, we prove that it is both consistent with and independent of ZFC that...
C.K. Fong, H. Radjavi (1983)
Mathematische Annalen
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José Isidro (2007)
Open Mathematics
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The Banach-Lie algebras ℌκ of all holomorphic infinitesimal isometries of the classical symmetric complex Banach manifolds of compact type (κ = 1) and non compact type (κ = −1) associated with a complex JB*-triple Z are considered and the Lie ideal structure of ℌκ is studied.