On anticommutative semirings.
Ratti, J.S., Lin, Y.F. (1989)
International Journal of Mathematics and Mathematical Sciences
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Ratti, J.S., Lin, Y.F. (1989)
International Journal of Mathematics and Mathematical Sciences
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Wacław Szymański (1977)
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Rechnoi, V. (2005)
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Dorota Bród, Anetta Szynal-Liana, Iwona Włoch (2022)
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We study generalized commutative Jacobsthal quaternions and generalized commutative Jacobsthal-Lucas quaternions. We present some properties of these quaternions and the relations between the generalized commutative Jacobsthal quaternions and generalized commutative Jacobsthal-Lucas quaternions.
Vladimir Volenec (1987)
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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.
Ivan Chajda (2007)
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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.
Luca Aceto, Zoltán Ésik, Anna Ingólfsdóttir (2002)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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We show that the validity of Parikh’s theorem for context-free languages depends only on a few equational properties of least pre-fixed points. Moreover, we exhibit an infinite basis of -term equations of continuous commutative idempotent semirings.
Roland Coghetto (2015)
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We formalize that the image of a semiring of sets [17] by an injective function is a semiring of sets.We offer a non-trivial example of a semiring of sets in a topological space [21]. Finally, we show that the finite product of a semiring of sets is also a semiring of sets [21] and that the finite product of a classical semiring of sets [8] is a classical semiring of sets. In this case, we use here the notation from the book of Aliprantis and Border [1].
Peter Guthrie Tait
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Hebisch, U., Weinert, H.J. (1990)
Mathematica Pannonica
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