Tensor products of sequential effect algebras
Stanley P. Gudder (2004)
Mathematica Slovaca
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Displaying similar documents to “Effect algebra counterexamples”
Tensor products of sequential effect algebras
On the origin of positive and negative electricity
Gião, António (1949)
Portugaliae mathematica
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Remarks on tensor proucts and their applications in quantum theory - II. Spectral properties
J. Blank, P. Exner (1977)
Acta Universitatis Carolinae. Mathematica et Physica
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Some remarks on Koszul algebras and quantum groups
Yu. I. Manin (1987)
Annales de l'institut Fourier
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The category of quadratic algebras is endowed with a tensor structure. This allows us to construct a class of Hopf algebras studied recently under the name of quantum (semi) groups.
Preservation of tensor sum and tensor product.
Kubrusly, C.S., Levan, N. (2011)
Acta Mathematica Universitatis Comenianae. New Series
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Invertibility in tensor products of Q-algebras
Seán Dineen, Pablo Sevilla-Peris (2002)
Studia Mathematica
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We consider, using various tensor norms, the completed tensor product of two unital lmc algebras one of which is commutative. Our main result shows that when the tensor product of two Q-algebras is an lmc algebra, then it is a Q-algebra if and only if pointwise invertibility implies invertibility (as in the Gelfand theory). This is always the case for Fréchet algebras.