95 research outputs found

    Power flow state estimator using two-layer neural network structure

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    This paper is devoted to the development of a neural network structure which implements the line,power flow state estimator algorithm for solving the set of nonlinear equations of power system automatic generation control analysis. The principal context is that of on-line network analysis in energy management systems with particular reference to the automatic generation control function. The author shows that the complete line power flow state estimator formulation maps into an array of two-layer neural networks. The development starts from a formulation for solving as a minimization the equation system to which the state estimator sequence leads at the each iteration. A neural network structure is given which implements the steepest descent method for minimizing the objective function. It is shown that some of the input values of neural networks are formed from power flow measurements as on-line. A principal feature of the extensive parallel processing capability of the architecture developed is that the computing time of state estimator analysis is independent of the number of nodes in a power network for which analysis is carried out. (C) 2003 Elsevier B.V. All rights reserved

    Barabasi-Lab/AI-Bind: AI-Bind_v1.0

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    First release of AI-Bind as described by "AI-Bind: Improving Binding Predictions for Novel Protein Targets and Ligands" on arXiv. For citation purposes: @misc{chatterjee2021aibind, doi = {10.48550/ARXIV.2112.13168}, url = {https://arxiv.org/abs/2112.13168}, author = {Chatterjee, Ayan and Walters, Robin and Shafi, Zohair and Ahmed, Omair Shafi and Sebek, Michael and Gysi, Deisy and Yu, Rose and Eliassi-Rad, Tina and Barabási, Albert-László and Menichetti, Giulia}, keywords = {Quantitative Methods (q-bio.QM), Machine Learning (cs.LG), FOS: Biological sciences, FOS: Biological sciences, FOS: Computer and information sciences, FOS: Computer and information sciences}, title = {AI-Bind: Improving Binding Predictions for Novel Protein Targets and Ligands}, publisher = {arXiv}, year = {2021}, copyright = {arXiv.org perpetual, non-exclusive license} } Soon to be published in Nature Communications

    India’s Macroeconomic Performance and Policies since 2000

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    The paper reviews Indias macroeconomic performance and policies since 2000. The first section briefly summarizes key macroeconomic developments regarding economic growth, inflation, external balance, the fiscal situation and aggregate savings and investment. The second section considers some of the challenges posed to macroeconomic management in this period and the efficacy of the policy responses adopted. In particular, it analyses the progress in fiscal consolidation and the policies adopted to deal with the challenge of the unprecedented surge in external capital inflows into India. The final section outlines some of the major macro policy issues that need to be addressed in the years ahead, including : the resurgence of high fiscal deficits; the issues relating to external convertibility and exchange rate management; the role of the Reserve Bank of India in macroeconomic policy and coping with a weak international economic environment.economic growth, inflation, Fiscal Policy, savings and investment, Capital Inflows, exchange rate policy, central bank role

    Correction: Sarsekova D, Ayan S, Talgat A, 2020. Ectomycorrhizal Flora Formed by Main Forest Trees in the Irtysh River Region of Central and Northeastern Kazakhstan

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    The authors wish to make the correction of the paper of Sarsekova et al. (2020). In the original paper, there was a mistake in the order of the first and the second name of the author Talghat Abbzhabnov. The correct order is Talghat Abbzhabnov. The original paper published on 11 May 2020 has been updated and both versions will be available on the paper webpage. The authors emphasize that this change does not affect the results of this research, and they apologize for any inconvenience this change may cause

    Replication Data for: Hindi-English code-mixed Twitter dataset

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    This directory contains a large-scale Hindi-English code-mixed corpus collected from Twitter between 2010-2022. We have removed the identifiers for anonymizing the dataset. We have de-anonymized the tweet author ids. Additionally, we have calculated code-mixing index (CMI) and the language of the texts (Hindi, English or, Hindi-English code-mixed)

    Application of Non-Thermal Plasma on Biofilm: A Review

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    The formation of bacterial biofilm on implanted devices or damaged tissues leads to biomaterial-associated infections often resulting in life-threatening diseases and implant failure. It is a challenging process to eradicate biofilms as they are resistant to antimicrobial treatments. Conventional techniques, such as high heat and chemicals exposure, may not be suitable for biofilm removal in nosocomial settings. These techniques create surface degradation on the treated materials and lead to environmental pollution due to the use of toxic chemicals. A novel technique known as non-thermal plasma has a great potential to decontaminate or sterilize those nosocomial biofilms. This article aims to provide readers with an extensive review of non-thermal plasma and biofilms to facilitate further investigations. A brief introduction summarizes the problem caused by biofilms in hospital settings with current techniques used for biofilm inactivation followed by the literature review strategy. The remainder of the review discusses plasma and its generation, the role played by plasma reactive species, various factors affecting the antimicrobial efficacy of non-thermal plasma and summarizes many studies published in the field

    The tragic experience in Tim Crouch’s postdramatic theatre

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    Yirminci ve yirmi birinci yüzyıllarda tiyatrodaki yeni yaklaşımları ve toplumsal değişimleri irdelediğimizde, Alman Tiyatro uzmanı ve kuramcı Hans- Thies Lehmann’ın da belirttiği üzere, tiyatronun yeni bir özerklik kazandığı ve bağımsız estetik teknikler geliştirdiği görülmektedir. Çağdaş dönemde konu, biçim ve temsil açısından tiyatroda deneyimsel yaklaşımlar ve yenilikler katlanarak artmıştır. Bu değişimler savaşlardan terör, şiddet, aile içi şiddet, göç, istismar, sömürü, tüketim ve metalaşmaya değin çeşitlenen çağdaş insanın trajik sorunlarının sahnelenebilmesi için köklü tragedya kavramına yeni yorumlar getirilmesini gerekli kılmıştır. Trajedi dramatik tiyatrodan kendisini arındırarak ve performans sanatı, ritualistik sahne ve kurgusal olmayan temsil şeklini keşfederek varlığını yeniden şekillendirmiştir. Oyun yazarları bazı prensipleri terk etmiş ve trajedi için geleneksel biçimlerin ve bilindik sahneleme yöntemlerinin ötesine geçen başka yeni olasılıklar üzerinde durmuşlardır. Çağdaş teoriler, Lehmann’ın postdramatik tiyatro ve postdramatik trajedi teorileri gibi, tiyatronun gelişimine yönelik teorik yaklaşımlar ve taze fikirler ortaya koymuş, ayrıca çağdaş insanın trajik durumunu anlamaya katkı sağlamışlardır. Benzer şekilde, deneyimsel tiyatronun ustası olarak adlandırılan İngiliz oyun yazarı Tim Crouch, oyunlarını bilindiğin dışında bir estetik tavır ile yazmış ve geleneksel yazımın olasılıklarını sorunsallaştırarak ‘trajik kavramı’ üzerinde durmuştur. Bu bağlamda, bu tezin amacı Lehmann’ın postdramatik teorileri ve çağdaş trajik yazın üzerine geliştirilen farklı fikirlerin ışığında Crouch’un geleneksel olmaktan uzak oyunlarında trajik motifin ve trajik deneyimin nasıl işlendiğini açığa çıkarmaktır. Crouch’un yetişkin seyirciler için yazdığı My Arm (2003), An Oak Tree (2005), ENGLAND (2007) ve The Author (2009) oyunları bu tezde incelenmek için seçilmiş olan oyunlardır.While investigating the new approaches to theatre and the changes in society in the twenty and the twenty first centuries, it can be clearly seen that, as German theatre scholar and theorist Hans-Thies Lehmann states, theatre develops a new autonomy and independent artistic practice. In the contemporary era, the experimentalism and novelties in theatre are multiplied in terms of subjects, forms and representation. These changes require new interpretations for the grand tragedy concept in order to enact the tragic issues of contemporary people varying from wars, terror, violence, domestic violence, immigration, abuse, exploitation and consumerism to materialization. Tragedy reforms itself by divorcing from dramatic theatre and by rediscovering the power of the performance art, ritualistic stage and nonfictional representation. Playwrights abandon some principles and dwell on other new possibilities for tragedy that goes beyond the conventional forms and familiar staging. Contemporary theories on theatre and tragedy, like Lehmann’s theory of postdramatic theatre and postdramatic tragedy, bring fresh ideas and theoretical approaches for the development of theatre and the also contribute to the understanding the tragic condition of contemporary people. Similarly, known as the master of the experimental theatre, English playwright Tim Crouch writes his plays in very unfamiliar aesthetics and he touches the ‘concept of tragic’ by problematizing possibilities of the traditional writing. In this sense, this dissertation aims to explore the ways the tragic motif and tragic experience are treated in Crouch’s unconventional plays under the light of Lehmann’s postdramatic theories as well as different ideas developed in contemporary tragic writings. Crouch’s plays for the adult audience My Arm (2003), An Oak Tree (2005), ENGLAND (2007) and The Author (2009) are chosen to be analyzed in this dissertation

    Anisotropic stars in 4D Einstein-Gauss-Bonnet gravity

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    We wish to thank the anonymous reviewer for comments and suggestions. The author T. T would like to thank the financial support from the Science Achievement Scholarship of Thailand (SAST) . A. Pradhan thanks to IUCCA, Pune, India for providing fa-cilities under associateship programmes. The author G. P. thanks the FundacAo para a Ciencia e Tecnologia (FCT) , Portugal, for the financial support to the Center for Astrophysics and Gravitation-CENTRA, Chile, Instituto Superior Tecnico, Universidade de Lis-boa, Portugal, through the Project No. UIDB/00099/2020 and No. PTDC/FIS-AST/28920/2017
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