نتایج جستجو برای: defining set
تعداد نتایج: 720413 فیلتر نتایج به سال:
There are different ways of coloring a graph, namely vertex coloring, edge coloring, total coloring, list coloring, etc. Literature is full of fascinating papers and even books and monographs on this subject. This note will briefly survey some results on two concepts in graph colorings. First we discuss the uniqueness of graph colorings and then we introduce the concept of defining sets on this...
BACKGROUND To assess the risk and the prognostic significance of tuberculosis (TB) diagnosis in patients from The TREAT Asia HIV Observational Database, a multi-centre prospective cohort of HIV-infected patients receiving HIV care in the Asia-Pacific region. METHODS The risk of TB diagnosis after recruitment was assessed in patients with prospective follow-up. TB diagnosis was fitted as a tim...
In this paper, by defining a pair of classical sets as a relative set, an extension of the classical set algebra which is a counterpart of Belnap’s four-valued logic is achieved. Every relative set partitions all objects into four distinct regions corresponding to four truth-values of Belnap’s logic. Like truth-values of Belnap’s logic, relative sets have two orderings; one is an order of inclu...
this study aims to consider the relationships between job fatigue, organizational citizenship behavior and organizational atmosphere. the evaluation of each variable is a kind of decision making problem which has systematic transaction between variables. so, decision making trial and evaluation laboratory (dematel) is suitable for defining the cause and effect relationships between variables. w...
In this paper we revisit the family of algebroid space curves defined by Moh and find an explicit minimal generating set for defining ideal.
It is shown that in some cases it is possible to reconstruct a block design D uniquely from incomplete knowledge of a minimal defining set for D. This surprising result has implications for the use of minimal defining sets in secret sharing schemes. AMS classifications: Primary: 94A62, Secondary: 05B05.
We investigate defining sets for latin squares where we are given that the latin square is the Cayley table for some group. Our main result is that the proportion of entries in a smallest defining set approaches zero as the order of the group increases without bound.
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