Showing 861 - 880 results of 1,269 for search '"algebra"', query time: 0.03s Refine Results
  1. 861

    Continuity in Partially Ordered Sets by Venu G. Menon

    Published 2008-01-01
    “…We show that several of the pleasing algebraic and topological properties of domains carry over to this setting.…”
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    Article
  2. 862

    Stability Analysis of Additive Runge-Kutta Methods for Delay-Integro-Differential Equations by Hongyu Qin, Zhiyong Wang, Fumin Zhu, Jinming Wen

    Published 2018-01-01
    “…We show that if the additive Runge-Kutta methods are algebraically stable, the perturbations of the numerical solutions are controlled by the initial perturbations from the system and the methods.…”
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    Article
  3. 863

    Cayley Bipolar Fuzzy Graphs by Noura O. Alshehri, Muhammad Akram

    Published 2013-01-01
    “…We present some interesting properties of bipolar fuzzy graphs in terms of algebraic structures. We also discuss connectedness in Cayley bipolar fuzzy graphs.…”
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    Article
  4. 864

    Jordan Isomorphisms on Nest Subalgebras by Aili Yang

    Published 2015-01-01
    “…This paper is devoted to the study of Jordan isomorphisms on nest subalgebras of factor von Neumann algebras. It is shown that every Jordan isomorphism ϕ between the two nest subalgebras algMβ and algMγ is either an isomorphism or an anti-isomorphism.…”
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    Article
  5. 865

    A note on quasi R*-invariant measures on semigroups by N. A. Tserpes

    Published 1990-01-01
    “…A characterization of quasi r*-invariant measures on metric topological semigroups is obtained by showing that their support has a left group structure thus generalizing previously known results for relatively r*-invariant measures and the topo-algebraic structure of their support.…”
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    Article
  6. 866

    Application Assessment of OS-SART Reconstruction Algorithm with Limited Number of Projections in XCT Geometric Measurement by Kaojie Yue, Huan Shao, Stefano Petrὸ, Giovanni Moroni

    Published 2025-02-01
    “…  In industrial X-ray Computed Tomography (XCT), two primary kinds of reconstruction algorithms are utilized: the Feldkamp-Davis-Kress (FDK) algorithm and the algebraic reconstruction technique (ART) algorithms. …”
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    Article
  7. 867

    Kinetics of quantum reaction-diffusion systems by Federico Gerbino, Igor Lesanovsky, Gabriele Perfetto

    Published 2025-02-01
    “…We find that the system entropy features algebraic decay for confining quenches, while it saturates in deconfined scenarios.…”
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    Article
  8. 868

    On the Measurement of the (Non)linearity of Costas Permutations by Konstantinos Drakakis

    Published 2010-01-01
    “…We study several criteria for the (non)linearity of Costas permutations, with or without the imposition of additional algebraic structure in the domain and the range of the permutation, aiming to find one that successfully identifies Costas permutations as more nonlinear than randomly chosen permutations of the same order.…”
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    Article
  9. 869

    A Matrix Method for Determining Eigenvalues and Stability of Singular Neutral Delay-Differential Systems by Jian Ma, Baodong Zheng, Chunrui Zhang

    Published 2012-01-01
    “…Firstly, by applying the matrix pencil and the linear operator methods, new algebraic criteria for the imaginary axis eigenvalue are derived. …”
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    Article
  10. 870

    ACCELERATED ITERATIVE RECONSTRUCTION OF PHANTOM «ROZI» BY OS-SART METHOD USING ORDERED SUBSET PROJECTIONS by S. A. Zolotarev, M. M. Mieteeg, A. N. Al-Nadfa

    Published 2017-08-01
    “…The statistical maximum likelihood (EM) method and the algebraic reconstruction method with simultaneous iterations (SART) are two methods of iterative tomographic reconstruction. …”
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    Article
  11. 871

    Noncommutative Relativistic Spacetimes and Worldlines from 2 + 1 Quantum (Anti-)de Sitter Groups by Ángel Ballesteros, N. Rossano Bruno, Francisco J. Herranz

    Published 2017-01-01
    “…Furthermore, quantum (anti-)de Sitter algebras are presented both in the known basis related to 2 + 1 quantum gravity and in a new one which generalizes the bicrossproduct one. …”
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    Article
  12. 872

    Optimized Direct Padé and HPM for Solving Equation of Oxygen Diffusion in a Spherical Cell by M. A. Sandoval-Hernandez, H. Vazquez-Leal, A. Sarmiento-Reyes, U. Filobello-Nino, F. Castro-Gonzalez, A. L. Herrera-May, R. A. Callejas-Molina, R. Ruiz-Gomez

    Published 2018-01-01
    “…In addition, a novel technique is proposed to reduce the number of algebraic operations during the process of application of ODP method through the use of the Taylor series, which help to simplify the algebraic expressions used. …”
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    Article
  13. 873

    On the Projective Description of Weighted (LF)-Spaces of Continuous Functions by Catherine V. Komarchuk, Sergej N. Melikhov

    Published 2014-01-01
    “…We solve the problem of the topological or algebraic description of countable inductive limits of weighted Fréchet spaces of continuous functions on a cone. …”
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    Article
  14. 874

    Complete curves in the strata of differentials by Chen, Dawei

    Published 2023-01-01
    “…Gendron proved that the strata of holomorphic differentials with prescribed orders of zeros do not contain complete algebraic curves by applying the maximum modulus principle to saddle connections. …”
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    Article
  15. 875

    An Application of Sombor Index over a Special Class of Semigroup Graph by Seda Oğuz Ünal

    Published 2021-01-01
    “…In this study, the Sombor index of monogenic semigroup graphs, which is an important class of algebraic structures, is calculated.…”
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    Article
  16. 876

    Stability of Runge-Kutta Methods for Neutral Delay Differential Equations by Liping Wen, Xiong Liu, Yuexin Yu

    Published 2015-01-01
    “…The numerical stability results are obtained for (k,l)-algebraically stable Runge-Kutta methods when they are applied to this type of problem. …”
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    Article
  17. 877

    Inner Product Fuzzy Quasilinear Spaces and Some Fuzzy Sequence Spaces by Yılmaz Yılmaz, Hacer Bozkurt, Halise Levent, Ümit Çetinkaya

    Published 2022-01-01
    “…In this study, we first developed the algebraic structure of the class of fuzzy sets Fℝn and gave definitions such as quasilinear independence, dimension, and the algebraic basis in these spaces. …”
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  18. 878

    Natural Frequencies and Mode Shapes of Mechanically Coupled Microbeam Resonators with an Application to Micromechanical Filters by Bashar K. Hammad

    Published 2014-01-01
    “…This implies that the system of linear homogeneous algebraic equations becomes larger as the array of resonators becomes complicated. …”
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    Article
  19. 879

    Sharp Bound of the Number of Zeros for a Liénard System with a Heteroclinic Loop by Junning Cai, Minzhi Wei, Guoping Pang

    Published 2021-01-01
    “…In the presented paper, the Abelian integral Ih of a Liénard system is investigated, with a heteroclinic loop passing through a nilpotent saddle. By using a new algebraic criterion, we try to find the least upper bound of the number of limit cycles bifurcating from periodic annulus.…”
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    Article
  20. 880

    Configuration of Zeros of Isochronous Vector Fields of Degree 5 by Julio Cesar Avila, Montserrat Corbera, Martín Eduardo Frías–Armenta

    Published 2021-01-01
    “…In this paper, we give the algebraic conditions that a configuration of 5 points in the plane must satisfy in order to be the configuration of zeros of a polynomial isochronous vector field. …”
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