Abstract
We study the problem of the validity of the classical five- and nine-lemmas in a P-semiabelian category.
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To Academician Yu. G. Reshetnyak on his 80th birthday.
Original Russian Text Copyright © 2009 Kopylov Ya. A.
The author was supported by the Specific Targeted Project GALA within the NEST Activities of the Commission of the European Communities (Contract No. 028766), the State Maintenance Program for the Leading Scientific Schools and Junior Scientists of the Russian Federation (NSh-5682.2008.1), and a grant of the President of the Russian Federation (Grant MK-2137.2008.1).
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Novosibirsk. Translated from Sibirskiĭ Matematicheskiĭ Zhurnal, Vol. 50, No. 5, pp. 1097–1104, September–October, 2009.
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Kopylov, Y.A. The five- and nine-lemmas in P-semi-abelian categories. Sib Math J 50, 867–873 (2009). https://doi.org/10.1007/s11202-009-0097-1
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DOI: https://doi.org/10.1007/s11202-009-0097-1