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Contractible Kothe Co-Echelon Algebras
Abstract
In this note we investigate contractibility properties in the class of the socalled DF-algebras. We also give a complete characterization of contractible Kothe co-echelon algebras.
Mathematics Subject Classication (2010): Primary: 46H05, 47B47; Secondary: 46A04, 46A13, 46J05.
Key words: DF-space/algebra, Kothe (co-)echelon space/algebra, bimodule, contractible algebra.
