Arc distance equals level number

Formalizations Of Substitution Of Equals For Equals

Inference rule substitution of equals for equals has been formalized in terms of simple substitution which performs a replacement even though a free occurrence of a variable is captured contextual substitution which prevents such capture and func tion application We show that in connection with pure rst order predicate calculus the function application and no capture versions of the inference r...

Honing healthcare leaders' competence and attitudes equals facility-level delivery.

First Among Equals First Among Equals

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The Complexity of Finding Subgraphs Whose Matching Number Equals the Vertex Cover Number

The class of graphs where the size of a minimum vertex cover equals that of a maximum matching is known as König-Egerváry graphs. König-Egerváry graphs have been studied extensively from a graph theoretic point of view. In this paper, we introduce and study the algorithmic complexity of finding maximumKönig-Egerváry subgraphs of a given graph. More specifically, we look at the problem of findin...

The list distinguishing number equals the distinguishing number for interval graphs

A distinguishing coloring of a graph G is a coloring of the vertices so that every nontrivial automorphism of G maps some vertex to a vertex with a different color. The distinguishing number of G is the minimum k such that G has a distinguishing coloring where each vertex is assigned a color from {1, . . . , k}. A list assignment to G is an assignment L = {L(v)}v∈V (G) of lists of colors to the...