The Equivalence of Various Generalizations of Group Rings and Modules.
Everett C. Dade (1982)
Mathematische Zeitschrift
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Everett C. Dade (1982)
Mathematische Zeitschrift
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Spencer E. Dickson (1965)
Mathematische Zeitschrift
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W. Zimmermann, B. Zimmermann-Huisgen (1978)
Mathematische Zeitschrift
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Robert B. jr. Warfield (1972)
Mathematische Zeitschrift
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Erwin Kleinfeld (1965)
Mathematische Zeitschrift
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Neal J. Rothman (1966)
Mathematische Zeitschrift
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H.K. Farahat, L. Mirsky (1958)
Mathematische Zeitschrift
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Spencer E. Dickson (1968)
Mathematische Zeitschrift
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Vlastimil Dlab, Claus Michael Ringel (1972)
Mathematische Zeitschrift
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Hiroyuki Tachikawa (1957/58)
Mathematische Zeitschrift
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Hyman Bass (1963)
Mathematische Zeitschrift
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Frank W. Anderson (1969)
Mathematische Zeitschrift
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P.M. Cohn (1959)
Mathematische Zeitschrift
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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.