disjoint union


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disjoint union

In domain theory, a union (or sum) which results in a domain without a least element.
References in periodicals archive ?
The idea is to construct an ET0L (respectively EDT0L) system H' = (V, T', [DELTA]', I'), in which V is the disjoint union V [union] {p, q} and T' = T [union] {p, q}, such that for (a, b)-forms u,v [member of] [V.
njp] can be partitioned by the disjoint union of distinct [G.
For different values of d , the results related to a super ) , ( d a -EAT labeling can be found for w-trees [8], extended w-trees [9, 10], generalized extended w-trees [11, 12] , stars [20], subdivided stars [13, 14, 15, 21, 22, 29], path-like trees [2], caterpillars [17, 18, 25], subdivided caterpillar [16], disjoint union of stars and books [6] and wheels, fans and friendship graphs [24], paths and cycles [23] and complete bipartite graphs [1].
It consists of the disjoint union of Km and m copies of C6, denoted by [H.
k] be the full subposet of O consisting of those open sets which are diffeomorphic to a disjoint union of at most k copies of [R.
The conjecture holds that any closed, orientable, prime 3-manifold M contains a disjoint union of embedded incompressible 2-tori and Klein bottles such that each connected component of the complement admits a complete, locally homogeneous Riemannian metric of finite volume.
i] is a finite disjoint union of compacts with Jordan boundary, and [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII.
2) There exists nonempty disjoint topological spaces Y and Z such that X = Y [union] Z and X is topological disjoint union of Y and Z, i.
1] can be expressed as a disjoint union of a class C of countably infinite sets, the cardinality of C being [[omega].
In this paper we formulate cycle anti-supermagic labeling for the disjoint union of isomorphic copies of ladder and triangular ladder graphs.
2]) be the graph obtained from the disjoint union of n units of type-1 and [n.