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E-bok
Engelska, 20003 245 kr
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An almost completely decomposable abelian (acd) group is an extension of a finite direct sum of subgroups of the additive group of rational numbers by a finite abelian group. Examples are easy to write and are frequently used but have been notoriously difficult to study and classify because of their computational nature. However, a general theory o
E-bok
PDF, Engelska, 20003 245 kr
Läs direkt efter köp
An almost completely decomposable abelian (acd) group is an extension of a finite direct sum of subgroups of the additive group of rational numbers by a finite abelian group. Examples are easy to write and are frequently used but have been notoriously difficult to study and classify because of their computational nature. However, a general theory o
Del 1006 - Lecture Notes in Mathematics
Abelian Group Theory
Proceedings of the Conference held at the University of Hawaii, Honolulu, USA, December 28, 1982 – January 4, 1983
Häftad, Engelska, 1983
482 kr
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E-bok
PDF, Engelska, 2013531 kr
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Inbunden, Engelska, 2000
1 789 kr
Tillfälligt slut
An almost completely decomposable abelian (acd) group is an extension of a finite direct sum of subgroups of the additive group of rational numbers by a finite abelian group. Examples are easy to write and are frequently used but have been notoriously difficult to study and classify because of their computational nature. However, a general theory of acd groups has been developed and a suitable weakening of isomorphism, Lady's near-isomorphism, has been established as the rightconcept for studying acd groups. A number of important classes of acd groups has been successfully classified. Direct sum decompositions of acd groups are preserved under near-isomorphism and the well-known pathological decompositions can actually be surveyed in special cases.