Idempotents in Group Rings.
Zbigniew S. Marciniak (1983)
Mathematische Zeitschrift
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Zbigniew S. Marciniak (1983)
Mathematische Zeitschrift
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A. R. Blass, L. Falcao, Č. V. Stanojević (1970)
Matematički Vesnik
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Riccardo Colpi, Kent R. Fuller, Enrico Gregorio (2006)
Colloquium Mathematicae
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Based on the work of D. Happel, I. Reiten and S. Smalø on quasitilted artin algebras, the first two authors recently introduced the notion of quasitilted rings. Various authors have presented examples of quasitilted artin algebras that are not tilted. Here we present a class of right quasitilted rings that not right tilted, and we show that they satisfy a condition that would force a quasitilted artin algebra to be tilted.
J. Płonka (1976)
Colloquium Mathematicae
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Heatherly, H.E., Courville, J.R. (1999)
Mathematica Pannonica
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H. LAUSCH (1970)
Mathematische Annalen
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Huanyin Chen, Fu-An Li (2002)
Collectanea Mathematica
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In this paper we investigate the related comparability over exchange rings. It is shown that an exchange ring R satisfies the related comparability if and only if for any regular x C R, there exists a related unit w C R and a group G in R such that wx C G.
Chen, Huanyin (1999)
International Journal of Mathematics and Mathematical Sciences
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Aderemi O. Kuku (1979)
Mathematische Zeitschrift
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Carsten Dietzel, Gaurav Mittal (2021)
Czechoslovak Mathematical Journal
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We study the inverse problem of the determination of a group algebra from the knowledge of its Wedderburn decomposition. We show that a certain class of matrix rings always occur as summands of finite group algebras.
J. Płonka (1973)
Colloquium Mathematicae
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K.M. Rangaswamy (1975)
Journal für die reine und angewandte Mathematik
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K.R. Fuller, M. Saorín (1992)
Manuscripta mathematica
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Mendes, D.I.C. (2010)
Beiträge zur Algebra und Geometrie
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