Orientation of Absolute Space Sn
Vladimir Janković (1984)
Publications de l'Institut Mathématique
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Displaying similar documents to “Orientation of absolute space .”
Orientation of Absolute Space Sn
Effective chain complexes for twisted products
Marek Filakovský (2012)
Archivum Mathematicum
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In the paper weak sufficient conditions for the reduction of the chain complex of a twisted cartesian product to a chain complex of free finitely generated abelian groups are found.
Families of compacta and some theorems on sweeping
Karol Borsuk (1955)
Fundamenta Mathematicae
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Note on normal sequences of chain complexes
Klaus Heiner Kamps (1978)
Colloquium Mathematicae
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A remark on Vapnik-Chervonienkis classes
Agata Smoktunowicz (1997)
Colloquium Mathematicae
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We show that the family of all lines in the plane which is a VC class of index 2 cannot be obtained in a finite number of steps starting with VC classes of index 1 and applying the operations of intersection and union. This confirms a common belief among specialists and solves a question asked by several authors.
On Aumann's theorem that the circle does not admit a mean
F. Javier Trigos-Arrieta, Marian Turzański (2005)
Acta Universitatis Carolinae. Mathematica et Physica
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Coincidence of maps in Q-simplicial spaces
G. Skordev (1981)
Fundamenta Mathematicae
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