Showing 1,561 - 1,580 results of 12,472 for search '"theories"', query time: 0.09s Refine Results
  1. 1561

    Linear stability of a time-dependent, spherically symmetric background in beyond Horndeski theory and the speed of gravity waves by S. Mironov, M. Sharov, V. Volkova

    Published 2025-01-01
    “…Abstract We address a dynamical, spherically symmetric background in beyond Horndeski theory and formulate a set of linear stability conditions for high energy perturbation modes in the parity odd sector above an arbitrary solution. …”
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  2. 1562

    Equivariant Perturbation in Gomory and Johnson’s Infinite Group Problem. VII. Inverse Semigroup Theory, Closures, Decomposition of Perturbations by Hildebrand, Robert, Köppe, Matthias, Zhou, Yuan

    Published 2022-09-01
    “…In this self-contained paper, we present a theory of the piecewise linear minimal valid functions for the 1-row Gomory–Johnson infinite group problem. …”
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  3. 1563
  4. 1564

    La biopolitique dans la théorie critique du tourisme : une critique radicale de la critique by Rodanthi Tzanelli

    Published 2022-08-01
    “…Après un bref exposé généalogique du concept en philosophie politique, il suit sa transposition et ses applications thématiques dans la théorie et la pratique du tourisme. L’auteur affirme que la biopolitique n’est qu’un des trois domaines clés des ‘intérêts humains’ qui doivent faire l’objet d’une critique radicale dans les études et les pratiques touristiques. …”
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  5. 1565

    Credit Index Screening Model of Family Farms and Family Ranches Based on Fuzzy Bayesian Theory of Depth Weighting by Zhanjiang Li, Qinjin Zhang

    Published 2022-01-01
    “…In this paper, based on the depth-weighted Bayesian theory and fuzzy mathematics, the improved depth-weighted fuzzy Bayesian hybrid algorithm model is proposed to solve the unbalanced problem of default status of family farm and pasture and to build the index system with the ability of three categories of default identification. …”
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  6. 1566

    Permanence and Almost Periodic Solution for an Enterprise Cluster Model Based on Ecology Theory with Feedback Controls on Time Scales by Yuanhong Zhi, Zunling Ding, Yongkun Li

    Published 2013-01-01
    “…We present a model with feedback controls based on ecology theory, which effectively describes the competition and cooperation of enterprise cluster in real economic environments. …”
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  7. 1567

    The Effect of Educational Intervention Based on Theory of Planned Behavior Approach on Complementary Feeding: A Randomized Controlled Trial by Qonita Rachmah, Junaida Astina, Dominikus Raditya Atmaka, Leli Khairani

    Published 2023-01-01
    “…This study is aimed at analyzing the effectiveness of nutrition education using online digital platforms (WhatsApp) to improve a mother’s behavior in providing nutritious complementary food based on the theory of planned behavior approach. This was a quasiexperiment with one pretest and posttest design group in the form of education and counselling. …”
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  8. 1568
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  10. 1570

    Effectiveness of a Theory-Driven Nutritional Education Program in Improving Calcium Intake among Older Mauritian Adults by Trishnee Bhurosy, Rajesh Jeewon

    Published 2013-01-01
    “…To assess the effectiveness of a theory-based educational intervention in improving the calcium intake, self-efficacy, and knowledge of older Mauritians. …”
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    Article
  11. 1571

    Key Transmission Section Search Based on Graph Theory and PMU Data for Vulnerable Line Identification in Power System by Miao Yu, Shouzhi Zhang, Fang Shi, Jianqun Sun, Jingjing Wei, Yixiao Wu, Jingxuan Hu

    Published 2023-01-01
    “…Aiming at the problems of inaccurate search of vulnerable lines, difficulties adapting to the complex and changing power system as well as wrong selection and omission of transmission section search in the existing references, this paper proposes an algorithm for searching vulnerable lines and their key transmission sections based on the graph theory and PMU (phasor measurement unit) data. First, the method combines with the graph theory and PMU data to construct the grid topology map. …”
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  12. 1572
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  14. 1574

    TRIZ Theory and the Method of Cancer Document Selection for Chemical Complexes and Innovation Schemes of Meta-Analysis with Lymphomas as an Example by Yan Huiquan, Lyu Penghui, Wang Ling, Yu Zhiming

    Published 2020-01-01
    “…By using TRIZ theory and information to analyze the fields of cancers, the research schemes for selecting documents on cancer therapy were presented. …”
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  15. 1575
  16. 1576

    Application Effect Analysis of the Mie Scattering Theory Based on Big Data Analysis Technology in the Optical Scattering Direction by Suting Chen

    Published 2022-01-01
    “…Firstly, based on the scattering theory, the optical scattering model of a single bubble is simulated on the computer. …”
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  17. 1577
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  19. 1579

    Empirical Evidence on Time-Varying Hedging Effectiveness of Emissions Allowances under Departures from the Cost-of-Carry Theory by Kai Chang

    Published 2013-01-01
    “…Under departures from the cost-of-carry theory, traded spot prices and conditional volatility disturbed from futures market have significant impacts on futures price of emissions allowances, and then we propose time-varying hedge ratios and hedging effectiveness estimation using ECM-GARCH model. …”
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  20. 1580