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In this paper, we introduce the notion of N-graphs and describe methods of their construction. We prove that the isomorphism between N-graphs is an equivalence relation (resp. partial order relation). We then introduce the concept of N-line graphs and discuss some of their fundamental properties.
In this paper a parallel algorithm is presented for the numerical solution of the heat equation with derivative boundary conditions. The parallel algorithm is developed by approximating the second-order spatial partial derivative by third-order finite-difference approximations and a matrix exponential function by a rational approximation having distinct… (More)
In this article, we apply the concept of bipolar fuzzy sets to hypergraphs and investigate some properties of bipolar fuzzy hypergraphs. We introduce the notion of A− tempered bipolar fuzzy hypergraphs and present some of their properties. We also present application examples of bipolar fuzzy hypergraphs.
In this paper, we introduce the notions of fuzzy topological subalgebras and ideals in K-algebras, and investigate some of their properties. We also discuss the properties of homomorphic image and inverse image of fuzzy topological ideals of K-algebras.
More general form of the notion of quasi-coincidence of a fuzzy point with a fuzzy subset is considered, and generalization of fuzzy fated of R0-algebras is discussed. The notion of an (∈, ∈ ∨ q k)-fuzzy fated filter in a R0-algebra is introduced, and several properties are investigated. Characterizations of an (∈, ∈ ∨ q k)-fuzzy fated filter in an… (More)
STUDY DESIGN This is a prospective open-cohort case series. OBJECTIVES The objective of this study was to assess changes over time in the duration of key acute hospital process barriers for patients with spinal cord damage (SCD) from admission until transfer into spinal rehabilitation unit (SRU) or other destinations. SETTING The study was conducted in… (More)