13,253 research outputs found

    Complexity of XOR/XNOR boolean functions: a model using binary decision diagrams and back propagation neural networks

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    This paper proposes a model that predicts the complexity of Boolean functions with only XOR/XNOR min-terms using back propagation neural networks (BPNNs) applied to Binary Decision Diagrams (BDDs). The BPNN model (BPNNM) is developed through the training process of experimental data already obtained for XOR/XNOR-based Boolean functions. The outcome of this model is a unique matrix for the complexity estimation over a set of BDDs derived from Boolean expressions with a given number of variables and XOR/XNOR min-terms. The comparison results of the experimental and BPNNM underline the efficiency of this approach, which is capable of providing some useful clues about the complexity of the circuit to be implemented. It also proves the computational capabilities of NNs in providing reliable classification of the complexity of Boolean functions.Facultad de Informátic

    Visualisation of an entangled channel spin-1 system

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    Co-variance matrix formalism gives powerful entanglement criteria for continuous as well as finite dimensional systems. We use this formalism to study a mixed channel spin-1 system which is well known in nuclear reactions. A spin-j state can be visualized as being made up of 2j spinors which are represented by a constellation of 2j points on a Bloch sphere using Majorana construction. We extend this formalism to visualize an entangled mixed spin-1 system.Comment: 4 pages,4 figure

    Reliabilty and Cost Benefit Analysis of DG Integrated Distribution System

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    Integration of Distributed generation (DG) results in a number of advantages ranging from reduction in losses to delayed generation and transmission capacities. In this paper the impact of DGs on reliability is considered and their effect on reliability in terms of number and location is evaluated. The integration of DG changes configuration of the radial system. This point is considered for evaluating the load point indices. The cost effectiveness of number of DGs is evaluated for the determining the returns on the DG investment cost. The above analysis is carried out on a RBTS Bus 2 system. The reliability indices are calculated using FMEA technique

    Arbitrarily large families of spaces of the same volume

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    In any connected non-compact semi-simple Lie group without factors locally isomorphic to SL_2(R), there can be only finitely many lattices (up to isomorphism) of a given covolume. We show that there exist arbitrarily large families of pairwise non-isomorphic arithmetic lattices of the same covolume. We construct these lattices with the help of Bruhat-Tits theory, using Prasad's volume formula to control their covolumes.Comment: 9 pages. Syntax corrected; one reference adde

    Characterization of finger millet [Eleusine coracana (L.) Gaertn.] germplasm for morphological parameters under field conditions

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    The trial was conducted at the research block of Crop Improvement, GBPUAT, Hill Campus, Ranichauri using randomized block design (RBD) to characterize finger millet germplasm for morphological characters viz., plant height, flag leaf length, number of tiller plant-1, number of finger ear-1, ear length, no. of grain finger-1, no. of grain ear-1 and grain yield plant-1. Among all germplasms, number of finger ear-1, number of grain finger-1 and grain yield plant-1(g) had recorded highest in VL 149 which were 9.96, 150.66, 2.63 g respectively. The germplasm GEC 1406 attained lowest plant height (75.89 cm), GEC 961 had recorded higher flag leaf length (40.96 cm), GEC 268 had recorded maximum number of tiller plant-1 (3.30), GEC 199 had recorded higher ear length (9.20 cm), GEC 1044 had recorded maximum number of grain ear-1 (663) among all germplasm of finger millet. This study is helpful to identify superior germplasm so they can be used for further finger millet crop improvement programs

    Study of magnitude of anaemic problem in rural tertiary care centre in outpatient department

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    Background: Prevalence of anaemia is very high in rural tertiary care hospital O.P.D patients. Anemia is the most common morbidity among micronutrients and affects health, education, economy, and productivity of the entire nation. Anemia, like fever, is a manifestation and not a disease per se. The most common group among the causes for anemia is malnutrition and among that group, iron deficiency makes up the bulk of it. Girls are more likely to be a victim due to various reasons. In a family with limited resources, the female child is more likely to be neglected. She is deprived of good food and education and is utilized as an extra working hand to carry out the household chores. The added burden of menstrual blood loss, normal or abnormal, precipitates the crises too often. Anemia can usually be prevented at a low cost, and the benefit/cost ratio of implementing preventive programs is recognized as one of the highest in the realm of public health. This information has equipped everyone in public health to take action against this long-standing problem and to do whatever is needed to be done.Methods: In our study 200 people attending medical outpatient department at a tertiary care centre were enrolled. Assessment of the anaemic problem is worked out.Results: Out of 200 patients, 107 were females and 93 were males. 49 females out of 107 had haemoglobin less than 10 and 9 males out of 93 are having haemoglobin less than 10. Among people with hemoglobin less than 10, 84.5% are females. Significant p value was observed in females (<0.0001).Conclusions:Anemia continues to be a major health problem in developing countries like India, particularly rural India. Despite different strategies and programs have been taken by government of India the growing menace of anaemia is not solved. So newer strategies must be taken.Background: Prevalence of anaemia is very high in rural tertiary care hospital O.P.D patients. Anemia is the most common morbidity among micronutrients and affects health, education, economy, and productivity of the entire nation. Anemia, like fever, is a manifestation and not a disease per se. The most common group among the causes for anemia is malnutrition and among that group, iron deficiency makes up the bulk of it. Girls are more likely to be a victim due to various reasons. In a family with limited resources, the female child is more likely to be neglected. She is deprived of good food and education and is utilized as an extra working hand to carry out the household chores. The added burden of menstrual blood loss, normal or abnormal, precipitates the crises too often. Anemia can usually be prevented at a low cost, and the benefit/cost ratio of implementing preventive programs is recognized as one of the highest in the realm of public health. This information has equipped everyone in public health to take action against this long-standing problem and to do whatever is needed to be done.Methods: In our study 200 people attending medical outpatient department at a tertiary care centre were enrolled. Assessment of the anaemic problem is worked out.Results: Out of 200 patients, 107 were females and 93 were males. 49 females out of 107 had haemoglobin less than 10 and 9 males out of 93 are having haemoglobin less than 10. Among people with hemoglobin less than 10, 84.5% are females. Significant p value was observed in females (<0.0001).Conclusions: Anemia continues to be a major health problem in developing countries like India, particularly rural India. Despite different strategies and programs have been taken by government of India the growing menace of anaemia is not solved. So newer strategies must be taken
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