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  1. 821
  2. 822

    More on (𝜶,𝜷)-Normal Operators in Hilbert Spaces by Rasoul Eskandari, Farzollah Mirzapour, Ali Morassaei

    Published 2012-01-01
    “…We study some properties of (𝛼,𝛽)-normal operators and we present various inequalities between the operator norm and the numerical radius of (𝛼,𝛽)-normal operators on Banach algebra ℬ(ℋ) of all bounded linear operators 𝑇∶ℋ→ℋ, where ℋ is Hilbert space.…”
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    Article
  3. 823

    PRIORITISATION OF ON-CAMPUS UNIVERSITY STUDENT HOUSING FACILITY SPACES by Fredrick Simpeh, Winston Shakantu

    Published 2019-09-01
    Subjects: “…Ghana, Prioritisation, Spaces, Student housing facility, University…”
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    Article
  4. 824

    Fixed Points of Nonlinear and Asymptotic Contractions in the Modular Space by A. Razani, E. Nabizadeh, M. Beyg Mohamadi, S. Homaei Pour

    Published 2007-01-01
    “…A fixed point theorem for nonlinear contraction in the modular space is proved. Moreover, a fixed point theorem for asymptotic contraction in this space is studied.…”
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    On some classes of almost periodic functions in abstract spaces by Dariusz Bugajewski, Gaston M. N'Guérékata

    Published 2004-01-01
    “…The superposition operator acting in the space of such functions is also under consideration. …”
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    Article
  8. 828

    On a certain class of nonstationary sequences in Hilbert space by Berrabah Bendoukha

    Published 2003-01-01
    “…We study the functions of correlation K(n,m)=〈X(n),X(m)〉 of certain sequences: X(n)=Tnx0, x0∈H where T is a contraction in Hilbert space H. By using the spectral methods of the nonunitary operators we give the general form of K(n,m) and its asymptotic behaviour limp→+∞ K(n+p,m+p).…”
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  9. 829

    Bregman Asymptotic Pointwise Nonexpansive Mappings in Banach Spaces by Chin-Tzong Pang, Eskandar Naraghirad

    Published 2013-01-01
    “…We first introduce a new class of mappings called Bregman asymptotic pointwise nonexpansive mappings and investigate the existence and the approximation of fixed points of such mappings defined on a nonempty, bounded, closed, and convex subset C of a real Banach space E. Without using the original Opial property of a Banach space E, we prove weak convergence theorems for the sequences produced by generalized Mann and Ishikawa iteration processes for Bregman asymptotic pointwise nonexpansive mappings in a reflexive Banach space E. …”
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  10. 830

    Lax Triples for Integrable Surfaces in Three-Dimensional Space by Jan L. Cieśliński, Artur Kobus

    Published 2016-01-01
    “…., Lax representations consisting of three linear equations) associated with families of surfaces immersed in three-dimensional Euclidean space E3. We begin with a natural integrable deformation of the principal chiral model. …”
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  12. 832

    On Multivalued Fuzzy Contractions in Extended b-Metric Spaces by Nayab Alamgir, Quanita Kiran, Hassen Aydi, Yaé Ulrich Gaba

    Published 2021-01-01
    “…In this paper, we establish a Hausdorff metric over the family of nonempty closed subsets of an extended b-metric space. Thereafter, we introduce the concept of multivalued fuzzy contraction mappings and prove related α-fuzzy fixed point theorems in the context of extended b-metric spaces that generalize Nadler’s fixed point theorem as well as many preexisting results in the literature. …”
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  13. 833

    The Near-Ring of Lipschitz Functions on a Metric Space by Mark Farag, Brink van der Merwe

    Published 2010-01-01
    “…This paper treats near-rings of zero-preserving Lipschitz functions on metric spaces that are also abelian groups, using pointwise addition of functions as addition and composition of functions as multiplication. …”
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    International Legal Regulation of Military Outer Space Activities by A. I. Antonov

    Published 2012-08-01
    Subjects: “…рrevention of an arms race in outer space…”
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  16. 836

    q-Hyperconvexity in Quasipseudometric Spaces and Fixed Point Theorems by Hans-Peter A. Künzi, Olivier Olela Otafudu

    Published 2012-01-01
    “…Journal of Function Spaces and Applications…”
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    Article
  17. 837

    Some Topological Properties of Fuzzy Antinormed Linear Spaces by Ljubiša D. R. Kočinac

    Published 2018-01-01
    “…We also discuss some boundedness properties in fuzzy antinormed linear spaces.…”
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  18. 838

    Continuous Quasi Gyrolinear Functionals on Möbius Gyrovector Spaces by Keiichi Watanabe

    Published 2020-01-01
    “…Journal of Function Spaces…”
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    Article
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