Search Results - "Issues of analysis"

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    ON MULTIVALUED ⊥_(𝝍𝑭) - CONTRACTIONS ON GENERALIZED ORTHOGONAL SETS WITH AN APPLICATION TO INTEGRAL INCLUSIONS by Y. Touail

    Published in Issues of analysis (01-10-2022)
    “…We study existence of fixed points for multivalued ⊥_(𝜓𝐹) -contractions in the setting of generalized orthogonal sets by extending some basic notions related…”
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    Journal Article
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    On the roots of systems of transcendental equations by Kytmanov, A. M., Khodos, O. V.

    Published in Issues of analysis (01-01-2024)
    “…The article is devoted to investigation of simple and multiple roots of systems of transcendental equations. It is shown that the number is related to the…”
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    Journal Article
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    Characterization of polynomials via a raising operator by Souissi, J.

    Published in Issues of analysis (01-01-2024)
    “…This paper investigates a first-order linear differential operator 𝒥𝜉, where 𝜉 = (𝜉1, 𝜉2)\in (C^2\(0,0), and 𝐷 := 𝑑/𝑑𝑥. The operator is defined as…”
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    On bounded metric spaces: common fixed point results with an application to nonlinear integral equations by Touail, Y.

    Published in Issues of analysis (01-02-2024)
    “…In this article, we establish some common fixed point theorems in the setting of bounded metric spaces without using neither the compactness nor the uniform…”
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    Journal Article
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    A New Approach to Jaggi-Wardowski-type Fixed Point Theorems by Shagari, M. S., Ogbumba, R. O., Yahaya, S.

    Published in Issues of analysis (01-01-2024)
    “…In this manuscript, the concept of Jaggi-type hybrid (𝐺, 𝜙, 𝐹 )-contraction is introduced. Some novel fixed point theorems that cannot be inferred from…”
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    On complete Riesz-Fischer sequences in a Hilbert space by Zikkos, E.

    Published in Issues of analysis (01-01-2024)
    “…We prove that if {𝑓_𝑛}^\infty_{n=1} is a complete Riesz–Fischer sequence in a separable Hilbert space 𝐻, then 𝑇 :={𝑓 \in 𝐻 : \Sum |<𝑓, 𝑓_𝑛>|^2<\infty…”
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    Smirnov and Bernstein-type inequalities, taking into account higher-order coefficients and free terms of polynomials by Kompaneets, E. G., Zybina, L. G.

    Published in Issues of analysis (01-01-2024)
    “…The starting point in the theory of differential inequalities for polynomials is the book "Investigation of aqueous solutions by specific gravity" by D. I…”
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    LITTLEWOOD–PALEY 𝑔_𝜆-FUNCTION CHARACTERIZATIONS OF MUSIELAK–ORLICZ HARDY SPACES ON SPACES OF HOMOGENEOUS TYPE by X. Yan

    Published in Issues of analysis (01-12-2023)
    “…Let (𝒳 , 𝑑, 𝜇) be a space of homogeneous type, in the sense of Coifman and Weiss, and 𝜙 : 𝒳 x [0,\infty) -> [0, \infty) satisfy that, for almost every 𝑥…”
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    THE WEAK DROP PROPERTY AND THE DE LA VALL´EE POUSSIN THEOREM by Kalita, H.

    Published in Issues of analysis (01-11-2023)
    “…We prove that a closed bounded convex set is uniformly integrable if and only if it has the weak drop property. We extract the weakly compact subsets of the…”
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    REGULAR GROWTH OF DIRICHLET SERIES OF THE CLASS 𝐷(Φ) ON CURVES OF BOUNDED 𝐾-SLOPE by N. N. Aitkuzhina, A. M. Gaisin, R. A. Gaisin

    Published in Issues of analysis (01-09-2023)
    “…We study the asymptotic behavior of the sum of en- tire Dirichlet series with positive exponents on curves of a bounded slope going in a certain way to…”
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    RATIONAL TYPE CYCLIC CONTRACTION IN 𝐺-METRIC SPACES by Sejal V. Puvar, R. G. Vyas

    Published in Issues of analysis (01-07-2023)
    “…Rational type cyclic contraction via 𝒞-class function is established in 𝐺-metric spaces, which can not be reduced to the contractive condition in standard…”
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    ON ℐ2 AND ℐ ˚ 2 -CONVERGENCE IN ALMOST SURELY OF COMPLEX UNCERTAIN DOUBLE SEQUENCES by O. Ki¸si, M. G ¨ urdal

    Published in Issues of analysis (01-04-2023)
    “…In this study, we investigate the notions of ℐ2-convergence almost surely (a.s.) and ℐ^* 2 -convergence a.s. of complex uncertain double sequences in an…”
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