نتایج جستجو برای: maximum deficiency sum
تعداد نتایج: 502180 فیلتر نتایج به سال:
We demonstrate hardness results for the detection of small backdoor sets with respect to base classes Mr of CNF formulas with maximum deficiency ≤ r (M0 is the class of matched formulas). One of the results applies also to a wide range of base classes with added ‘empty clause detection’ as recently considered by Dilkina, Gomes, and Sabharwal. We obtain the hardness results in the framework of p...
Sum mary Aim: To evaluate malnutrition, anemia and related deficiency of vitamin B12, iron and folic acid in children with neurological disease and related nutritional problems. Material and Method: In this study, our aim was to investigate anemia and possible reasons such as iron deficiency, folic acid deficiency and vitamin B12 deficiency among patients with nutritional problems who were admi...
Background: Thalassemia constitutes a major public health problem causing a significant burden on children and their families. Zinc deficiency plays an important role in many thalassemia-related complications like growth retardation, hypogonadism and delayed puberty which are frequently noted in adolescent age. Although zinc is supplemented to thalassemic patients visiting Day Care Center, Yang...
Let A be a sequence of n ≥ 0 real numbers. A subsequence of A is a sequence of contiguous elements of A. A maximum scoring subsequence of A is a subsequence with largest sum of its elements , which can be found in O(n) time by Kadane’s dynamic programming algorithm. We consider in this paper two problems involving maximal scoring subsequences of a sequence. Both of these problems arise in the c...
BACKGROUND Mutations in the LCAT gene cause lecithin:cholesterol acyltransferase (LCAT) deficiency, a very rare metabolic disorder with 2 hypoalphalipoproteinemia syndromes: classic familial LCAT deficiency (Online Mendelian Inheritance in Man No. 245900), characterized by complete lack of enzyme activity, and fish-eye disease (Online Mendelian Inheritance in Man No. 136120), with a partially d...
Populations with special physiological state, such as pregnant, nursing and women of child-bearing age, have been identified as nutritionally vulnerable during natural disaster. The objective of this survey was to evaluate the prevalence of anaemia and micronutrient status of women of reproductive age in April 2009 one year after the Wenchuan Earthquake. The survey recruited 58 pregnant, 66 lac...
Let $G$ be a bipartite graph. In this paper we consider the two kind of location problems namely $p$-center and $p$-median problems on bipartite graphs. The $p$-center and $p$-median problems asks to find a subset of vertices of cardinality $p$, so that respectively the maximum and sum of the distances from this set to all other vertices in $G$ is minimized. For each case we present some proper...
In this paper we determine the minimum and maximum values of the sum of squares of degrees of bipartite graphs with a given number of vertices and edges.
A sequence in an additively written abelian group is called a minimal zero-sum sequence if its sum is the zero element of the group and none of its proper subsequences has sum zero. The structure of the longest minimal zero-sum sequences in the group C2 ⊕C2k is known. Their length is equal to 2k + 1. We characterize the minimal zero-sum sequences in C2 ⊕ C2k (k ≥ 3) with lengths at least 2�k/2�...
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