### A property of quasi-complements

Robert H. Lohman (1974)

Colloquium Mathematicae

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Robert H. Lohman (1974)

Colloquium Mathematicae

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Cabiria Andreian Cazacu (1981)

Annales Polonici Mathematici

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T. K. Pal, M. Maiti (1977)

Matematički Vesnik

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S. K. Ghosal, M. Chatterjee (1974)

Matematički Vesnik

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Pablo F. Meilán, Mariano Creus, Mario Garavaglia (2000)

Visual Mathematics

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Roman Sikorski (1974)

Fundamenta Mathematicae

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D. J. Grubb (2008)

Fundamenta Mathematicae

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A quasi-linear map from a continuous function space C(X) is one which is linear on each singly generated subalgebra. We show that the collection of quasi-linear functionals has a Banach space pre-dual with a natural order. We then investigate quasi-linear maps between two continuous function spaces, classifying them in terms of generalized image transformations.

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.

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.

Shoji Kanemaki (1984)

Banach Center Publications

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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.

Mohamad, Abdul M. (2002)

Mathematica Pannonica

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