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On semigroups of relations with the operation of the rectangular product [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика
A set of binary relations closed with respect to some collection of operations on relations forms an algebra called an algebra of relations. The theory of algebras of relations is an essential part of modern algebraic logic and has numerous applications ...
Bredikhin, Dmitry Aleksandrovich
doaj   +1 more source

GREEN'S RELATIONS ON THE SEMIGROUP OF BINARY RELATIONS

open access: yesDemonstratio Mathematica, 1986
\(\beta\) \({}_ X\) is the semigroup of all binary relations on the set X. The author associates with certain binary relations, subrelations called right and left skeletons. He then determines whether or not the original relations are \({\mathcal L}\), \({\mathcal R}\), \({\mathcal D}\) or \({\mathcal J}\)-equivalent (where these represent, as usual ...
openaire   +2 more sources

Binary versus non-binary information in real time series: empirical results and maximum-entropy matrix models

open access: yesNew Journal of Physics, 2014
The dynamics of complex systems, from financial markets to the brain, can be monitored in terms of multiple time series of activity of the constituent units, such as stocks or neurons, respectively.
Assaf Almog, Diego Garlaschelli
doaj   +1 more source

ON THE EVOLUTION OF WOLF-RAYET STARS IN CLOSE BINARY SYSTEMS

open access: yesOdessa Astronomical Publications, 2017
The statistical study of the mass ratios of the components and eccentricities of close binary systems was made. Relations between these characteristics are obtained.
A. M. Cherepashchuk, V. G. Karetnikov
doaj   +1 more source

The Path Containment Condition And Argument Structure

open access: yesKansas Working Papers in Linguistics, 1988
This study investigates the internal structure of verb phrases (VPs). Using the Path Containment Condition as developed by May (1985) to establish relations between (quantified) arguments, this study draws two conclusions about the structure of argument ...
Stroik, Thomas S.
doaj   +1 more source

A Note on a Binary Relation Corresponding to a Bipartite Graph

open access: yesITM Web of Conferences, 2018
In this paper, we firstly define a binary relation corresponding to the bipartite graph and study its properties. We also establish a relationship between the independent sets of the bipartite graph and the definable sets of binary relations ...
Sarı Hatice Kübra, Kopuzlu Abdullah
doaj   +1 more source

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