Showing 401 - 420 results of 1,838 for search '"topology"', query time: 0.06s Refine Results
  1. 401

    Localization of Energy-Momentum for a Black Hole Spacetime Geometry with Constant Topological Euler Density by Irina Radinschi, Theophanes Grammenos, Farook Rahaman, Andromahi Spanou, Marius Mihai Cazacu, Surajit Chattopadhyay, Antonio Pasqua

    Published 2018-01-01
    “…The evaluation of the energy-momentum distribution for a new four-dimensional, spherically symmetric, static and charged black hole spacetime geometry with constant nonzero topological Euler density is performed by using the energy-momentum complexes of Einstein and Møller. …”
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    Article
  2. 402
  3. 403

    Numerical and Graphical Analysis of the Revan Topological Indices for Double Graph and Strong Double Graph of Alkanes by Vishu Kumar M., Siva Kumar Pathuri, Rekkala Shruthi, Indira A. K., Umair Khan, Shivani Sanjay Bishnani, Taseer Muhammad, Anjali Verma

    Published 2024-01-01
    “…Alkanes, which simply contain hydrogen (H) and carbon (C) molecules and no additional functional groups, are the most basic and simplest hydrocarbons found in organic molecules. Topological indices come in a variety. There are several degree-based topological indices, including the Banhatti, Zagreb, Randi, and Revan indices (RI). …”
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    Article
  4. 404

    Topology and Control Strategy of Multi-Port DC Power Electronic Transformer Based on Soft Switching by Jialin Zhang, Kunpeng Zha, Xiaojun Tang, Yuefeng Yang, Lanfang Li, Jiafei Li

    Published 2025-01-01
    “…A new five-port DC transformer topology based on soft switching technology is proposed in this paper. …”
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    Article
  5. 405

    Topological graphs: a review of some of our achievements and perspectives in physical chemistry and homogeneous catalysis by Bougueroua, Sana, Aboulfath, Ylène, Cimas, Alvaro, Hashemi, Ali,  Pidko, Evgeny A., Barth, Dominique, Gaigeot, Marie-Pierre

    Published 2024-11-01
    “…Two levels of granularity in the topological graphs have been developed: atomistic 2D-MolGraphs and coarse-grained polygraphs of H-bonded cycles. …”
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    Article
  6. 406

    Synthesis and Numerical Analysis of Compliant Devices: A Topology Optimization Approach for Mechanisms and Robotic Systems by S. Premanand, G. Arunkumar, Venkatesa Prabhu Sundramurthy

    Published 2022-01-01
    “…Then, the geometry is topology optimized to analyze stress, safety factor, output deflection, and mass reduction. …”
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    Article
  7. 407

    Design of New High Step-Up DC-DC Converter Topology for Solar PV Applications by Shanthi Thangavelu, Prabha Umapathy

    Published 2021-01-01
    “…A new topology for high step-up nonisolated DC-DC converter for solar PV applications is presented in this paper. …”
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    Article
  8. 408

    Investigating the Efficacy of Topologically Derived Time Series for Flare Forecasting. I. Data Set Preparation by Thomas Williams, Christopher B. Prior, David MacTaggart

    Published 2025-01-01
    “…There is significant potential for flare prediction to be improved by incorporating topological fluxes of magnetogram data sets, without the need to invoke three-dimensional magnetic field extrapolations. …”
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  9. 409

    Event-Based Time Varying Formation Control for Multiple Quadrotor UAVs with Markovian Switching Topologies by Zhen Zhou, Hongbin Wang, Zhongquan Hu

    Published 2018-01-01
    “…Instead of the general stochastic topology, the graph is governed by a set of Markov chains to the edges, which can recover the traditional Markovian switching topologies in line with the practical communication network. …”
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    Article
  10. 410

    Computation of Vertex-Based Topological Indices of Middle Graph of Alkane CtH2t+2 by Muhammad Shoaib Sardar, Imran Siddique, Fahd Jarad, Muhammad Asad Ali, Erkan Murat Türkan, Muhammad Danish

    Published 2022-01-01
    “…In this research work, we will calculate the certain well-known topological indices of the middle graph of alkane based on vertex degree and also present a numerical and graphical comparison of computed topological indices.…”
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    Article
  11. 411

    Topological Indices of Total Graph and Zero Divisor Graph of Commutative Ring: A Polynomial Approach by Sourav Mondal, Muhammad Imran, Nilanjan De, Anita Pal

    Published 2023-01-01
    “…The algebraic polynomial plays a significant role in mathematical chemistry to compute the exact expressions of distance-based, degree-distance-based, and degree-based topological indices. The topological index is utilized as a significant tool in the study of the quantitative structure activity relationship (QSAR) and quantitative structures property relationship (QSPR) which correlate a molecular structure to its different properties and activities. …”
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  12. 412
  13. 413

    Some New Intrinsic Topologies on Complete Lattices and the Cartesian Closedness of the Category of Strongly Continuous Lattices by Xiuhua Wu, Qingguo Li, Dongsheng Zhao

    Published 2013-01-01
    “…We prove some new characterizations of strongly continuous lattices using two new intrinsic topologies and a class of convergences. Lastly we show that the category of strongly continuous lattices and Scott continuous mappings is cartesian closed.…”
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  14. 414

    Consensus for Mixed-Order Multiagent Systems over Jointly Connected Topologies via Impulse Control by Fenglan Sun, Xiaogang Liao, Yongfu Li, Feng Liu

    Published 2019-01-01
    “…In addition, the network topologies of systems are always varying over time. …”
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  15. 415

    On Ve-Degree and Ev-Degree Topological Properties of Hyaluronic Acid‐Anticancer Drug Conjugates with QSPR by Syed Ajaz K. Kirmani, Parvez Ali, Faizul Azam, Parvez Ahmad Alvi

    Published 2021-01-01
    “…Several ve-degree- and ev-degree-based topological indices are obtained as a special case of ISIα,βveG,MαveG, and MαevG. …”
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  16. 416
  17. 417

    Some Classes of Continuous Operators on Spaces of Bounded Vector-Valued Continuous Functions with the Strict Topology by Marian Nowak

    Published 2015-01-01
    “…Let Cb(X,E) be the space of all E-valued bounded, continuous functions on X, equipped with the strict topology βσ. We study the relationship between important classes of (βσ,·F)-continuous linear operators T:Cb(X,E)→F (strongly bounded, unconditionally converging, weakly completely continuous, completely continuous, weakly compact, nuclear, and strictly singular) and the corresponding operator measures given by Riesz representing theorems. …”
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  18. 418

    Direct observation of chiral edge current at zero magnetic field in a magnetic topological insulator by Jinjiang Zhu, Yang Feng, Xiaodong Zhou, Yongchao Wang, Hongxu Yao, Zichen Lian, Weiyan Lin, Qiushi He, Yishi Lin, Youfang Wang, Yongqian Wang, Shuai Yang, Hao Li, Yang Wu, Chang Liu, Jing Wang, Jian Shen, Jinsong Zhang, Yayu Wang, Yihua Wang

    Published 2025-01-01
    “…Our result establishes the existence of chiral edge currents in a topological antiferromagnet and offers an alternative for identifying QAH states.…”
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