Results 281 to 290 of about 606,244 (330)
Mapping the evidence on the intersection of gender and social determinants of health in health inequality: a scoping review. [PDF]
BMC Public HealthHossain B +4 more
europepmc +1 more source
Some of the next articles are maybe not open access.
Related searches:
Related searches:
The clone relation of a binary relation
Information Sciences, 2017zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bouremel, Hassane +3 more
openaire +2 more sources
Binary Relations and Permutation Groups
Mathematical Logic Quarterly, 1995AbstractWe discuss some new properties of the natural Galois connection among set relation algebras, permutation groups, and first order logic. In particular, we exhibit infinitely many permutational relation algebras without a Galois closed representation, and we also show that every relation algebra on a set with at most six elements is Galois closed
Andréka, Hajnal +2 more
openaire +2 more sources
An algebraic approach to binary relations
Asian-European Journal of Mathematics, 2015Several attempts were made to assign to a given binary relation a certain binary operation in order to allow an algebraic approach for investigating binary relations. However, the previous attempts by the first two authors were restricted to the case of so-called directed binary relations.
Chajda, Ivan +2 more
openaire +1 more source
1974
A binary relation defined on a set containing n elements can be interpreted as an n × n incidence matrix. Such matrix may be taken either over the two element boolean algebra or over the field Z2 . The main purpose of this paper is to study the incidence subgroups and the collineation subgroups of semigroups of binary relations.
openaire +1 more source
A binary relation defined on a set containing n elements can be interpreted as an n × n incidence matrix. Such matrix may be taken either over the two element boolean algebra or over the field Z2 . The main purpose of this paper is to study the incidence subgroups and the collineation subgroups of semigroups of binary relations.
openaire +1 more source
STRUCTURE OF FUZZY BINARY RELATIONS
Fuzzy Sets and Systems, 1981The structure of fuzzy binary relations of indifference and preference is studied. The full description of fuzzy equivalence relations in terms of fuzzy partitions is given. All possible logical relations between various transitivity properties of fuzzy preferences are established.
openaire +2 more sources
Partition Relations and Transitivity Domains of Binary Relations
Journal of the London Mathematical Society, 1967The main theorem is Theorem 2: For all positive integers \(m\) and \(n\), for some positive integer \(l(m,n)\), for each ordinal number \(\alpha\), \(\omega_\alpha l(m,n) \to (m,\omega_\alpha n)^2\); if \(l_\alpha(m,n)\) is the least such \(l(m,n)\) for a given \(\alpha\), then \(\gamma \mapsto(m,\omega_\alpha n)^2\) for each \(\gamma > \omega_\alpha ...
Erdős, Paul, Rado, R.
openaire +2 more sources
On the Compatibility of a Ternary Relation with a Binary Fuzzy Relation
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 2019Recently, De Baets et al. have characterized the fuzzy tolerance relations that a given strict order relation is compatible with. In general, the compatibility of a strict order relation with a binary fuzzy relation guarantees also the compatibility of its associated betweenness relation with that binary fuzzy relation.
Barkat, Omar +2 more
openaire +1 more source