Constructing inverse monoids from small categories.
J. Leech (1987)
Semigroup forum
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J. Leech (1987)
Semigroup forum
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Z. Semadeni (1968)
Studia Mathematica
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Robin Harte, Mostafa Mbekhta (1992)
Studia Mathematica
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We investigate when a C*-algebra element generates a closed ideal, and discuss Moore-Penrose and commuting generalized inverses.
Jichun Liu, Longgang Sun (2014)
Czechoslovak Mathematical Journal
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A pretriangulated category is an additive category with left and right triangulations such that these two triangulations are compatible. In this paper, we first show that the idempotent completion of a left triangulated category admits a unique structure of left triangulated category and dually this is true for a right triangulated category. We then prove that the idempotent completion of a pretriangulated category has a natural structure of pretriangulated category. As an application,...
Hines, Peter (1999)
Theory and Applications of Categories [electronic only]
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G. R. Gordh Jr., Sibe Mardešić (1975)
Colloquium Mathematicae
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Susan B. Niefield (1996)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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