Extensions by mollifiers in Basov spaces
Paweł Szeptycki (1975)
Studia Mathematica
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Paweł Szeptycki (1975)
Studia Mathematica
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A. Błaszczyk, U. Lorek (1978)
Colloquium Mathematicae
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D. W. Hajek (1986)
Matematički Vesnik
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Yan Xu (2011)
Annales Polonici Mathematici
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By using an extension of the spherical derivative introduced by Lappan, we obtain some results on normal functions and normal families, which extend Lappan's five-point theorems and Marty's criterion, and improve some previous results due to Li and Xie, and the author. Also, another proof of Lappan's theorem is given.
T. K. Pal, M. Maiti, J. Achari (1976)
Matematički Vesnik
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John Hymers
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H. A. Antosiewicz, A. Cellina (1977)
Annales Polonici Mathematici
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Kuniaki Horie, Mitsuko Horie (2008)
Acta Arithmetica
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Avelino, Catarina P., Breda, A.M.d'Azevedo, Santos, Altino F. (2010)
Beiträge zur Algebra und Geometrie
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Aarts J. M. (1971)
Colloquium Mathematicum
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M. R. Koushesh
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Let X be a space. A space Y is called an extension of X if Y contains X as a dense subspace. For an extension Y of X the subspace Y∖X of Y is called the remainder of Y. Two extensions of X are said to be equivalent if there is a homeomorphism between them which fixes X pointwise. For two (equivalence classes of) extensions Y and Y' of X let Y ≤ Y' if there is a continuous mapping of Y' into Y which fixes X pointwise. Let 𝓟 be a topological property. An extension Y of X is called a 𝓟-extension...
Paul Monsky (1987)
Mathematische Zeitschrift
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Jacques Faraut (2010)
Colloquium Mathematicae
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The asymptotics of spherical functions for large dimensions are related to spherical functions for Olshanski spherical pairs. In this paper we consider inductive limits of Gelfand pairs associated to the Heisenberg group. The group K = U(n) × U(p) acts multiplicity free on 𝓟(V), the space of polynomials on V = M(n,p;ℂ), the space of n × p complex matrices. The group K acts also on the Heisenberg group H = V × ℝ. By a result of Carcano, the pair (G,K) with G = K ⋉ H is a Gelfand pair....
M. Ciric, S. Bogdanovic (1994)
Semigroup forum
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