Quasi-pseudometrizability of the point open ordered spaces and the compact open ordered spaces.
Nailana, Koena Rufus (2001)
International Journal of Mathematics and Mathematical Sciences
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Nailana, Koena Rufus (2001)
International Journal of Mathematics and Mathematical Sciences
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Shang Zhi Wang, Bo Yu Li (1985)
Publications du Département de mathématiques (Lyon)
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Bent Fuglede (1965-1966)
Séminaire Brelot-Choquet-Deny. Théorie du potentiel
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Robert H. Lohman (1974)
Colloquium Mathematicae
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Laurent Bonavero, Andreas Höring (2007)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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In this paper we study the structure of manifolds that contain a quasi-line and give some evidence towards the fact that the irreducible components of degenerations of the quasi-line should determine the Mori cone. We show that the minimality with respect to a quasi-line yields strong restrictions on fibre space structures of the manifold.
Ladislav Mišík (1965)
Czechoslovak Mathematical Journal
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Amouch, M. (2009)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 47B47, 47B10, 47A30. In this note, we characterize quasi-normality of two-sided multiplication, restricted to a norm ideal and we extend this result, to an important class which contains all quasi-normal operators. Also we give some applications of this result.
Angeliki Kontolatou (1993)
Acta Mathematica et Informatica Universitatis Ostraviensis
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Cabiria Andreian Cazacu (1981)
Annales Polonici Mathematici
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Olivier Olela Otafudu, Zechariah Mushaandja (2017)
Topological Algebra and its Applications
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We show that the image of a q-hyperconvex quasi-metric space under a retraction is q-hyperconvex. Furthermore, we establish that quasi-tightness and quasi-essentiality of an extension of a T0-quasi-metric space are equivalent.