Existence theorems for commutative diagrams.
Rechnoi, V. (2005)
Lobachevskii Journal of Mathematics
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Displaying similar documents to “Szegoö-type properties in a non-commutative case”
Existence theorems for commutative diagrams.
Laterally commutative heaps and TST-spaces.
Vladimir Volenec (1987)
Stochastica
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A laterally commutative heap can be defined on a given set iff there is the structure of a TST-space on this set.
Commutative directoids with sectional involutions
Ivan Chajda (2007)
Discussiones Mathematicae - General Algebra and Applications
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The concept of a commutative directoid was introduced by J. Ježek and R. Quackenbush in 1990. We complete this algebra with involutions in its sections and show that it can be converted into a certain implication algebra. Asking several additional conditions, we show whether this directoid is sectionally complemented or whether the section is an NMV-algebra.
An Elementary Treatise on Quaternions
Peter Guthrie Tait
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The semiring of quotients of commutative semirings
Syed A. Huq (1973)
Colloquium Mathematicae
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Several Classes of BCK-algebras and their Properties
Tao Sun, Dahai Hu, Xiquan Liang (2007)
Formalized Mathematics
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In this article the general theory of Commutative BCK-algebras and BCI-algebras and several classes of BCK-algebras are given according to [2].
Bijective reflexions and coreflexions of commutative unars
Jaroslav Ježek, Tomáš Kepka (1996)
Acta Universitatis Carolinae. Mathematica et Physica
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On the non-commutative neutrix product of and .
Brian, Fisher, Al-Sirehy, Fatma (2000)
Novi Sad Journal of Mathematics
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Some Properties of p -Groups and Commutative p -Groups
Xiquan Liang, Dailu Li (2011)
Formalized Mathematics
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This article describes some properties of p-groups and some properties of commutative p-groups.
Symmetrized non-commutative tori.
Carla Farsi, Neil Watling (1993)
Mathematische Annalen
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On the uniqueness of uniform norms and C*-norms
P. A. Dabhi, H. V. Dedania (2009)
Studia Mathematica
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We prove that a semisimple, commutative Banach algebra has either exactly one uniform norm or infinitely many uniform norms; this answers a question asked by S. J. Bhatt and H. V. Dedania [Studia Math. 160 (2004)]. A similar result is proved for C*-norms on *-semisimple, commutative Banach *-algebras. These properties are preserved if the identity is adjoined. We also show that a commutative Beurling *-algebra L¹(G,ω) has exactly one uniform norm if and only if it has exactly one C*-norm;...