Global dimensions of dual extension algebras.
Changchang Xi (1995)
Manuscripta mathematica
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Changchang Xi (1995)
Manuscripta mathematica
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Otto Kerner (1988)
Manuscripta mathematica
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Harvey Wolff (1975)
Manuscripta mathematica
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S.D. Chatterji (1971)
Manuscripta mathematica
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Chia Zargeh (2021)
Communications in Mathematics
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In this paper we introduce the notion of existentially closed Leibniz algebras. Then we use HNN-extensions of Leibniz algebras in order to prove an embedding theorem.
Michael Leinert (1975)
Manuscripta mathematica
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Michael Leinert (1973)
Manuscripta mathematica
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Flávio U. Coelho, José A. de la Peña, Sonia Trepode (2008)
Colloquium Mathematicae
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A minimal non-tilted triangular algebra such that any proper semiconvex subcategory is tilted is called a tilt-semicritical algebra. We study the tilt-semicritical algebras which are quasitilted or one-point extensions of tilted algebras of tame hereditary type. We establish inductive procedures to decide whether or not a given strongly simply connected algebra is tilted.
José Isidro, Angel Rodríguez Palacios (1995)
Manuscripta mathematica
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Flávio U. Coelho, Ma. I. R. Martins, Bertha Tomé (2004)
Colloquium Mathematicae
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We study the simple connectedness and strong simple connectedness of the following classes of algebras: (tame) coil enlargements of tame concealed algebras and n-iterated coil enlargement algebras.
Helmut Röhrl (1977)
Manuscripta mathematica
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Klaus Bongartz (1984)
Mathematische Zeitschrift
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Ibrahim Assem, Andrzej Skowronski (1990)
Manuscripta mathematica
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Jerzy Białkowski (2004)
Colloquium Mathematicae
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The aim of this note is to give an affirmative answer to a problem raised in [9] by J. Nehring and A. Skowroński, concerning the number of nonstable ℙ₁(K)-families of quasi-tubes in the Auslander-Reiten quivers of the trivial extensions of tubular algebras over algebraically closed fields K.
Nikolaos Marmaridis (1984)
Manuscripta mathematica
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Christoff Geiss, José A. de de Pena (1995)
Manuscripta mathematica
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Harald Upmeier (1980)
Manuscripta mathematica
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