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  1. Sufficient and Necessary Conditions for the Generalized Distribution Series to be in Subclasses of Univalent Functions

    We establish a relationship between the subclasses of univalent functions and generalized distribution series. The main aim of our investigation is...

    W. Y. Kota, R. M. El-Ashwah in Ukrainian Mathematical Journal
    Article 01 March 2024
  2. Necessary and Sufficient Conditions for the Density of Transmission Eigenvalues

    In this work, the author studies the interior transmission eigenvalue problem, and describes the relationship between the density of transmission...

    **ao-Chuan Xu in Results in Mathematics
    Article 29 March 2022
  3. The Pseudo-Hermitian Condition

    The decomposition of pseudo-Hermitian matrices in terms of their eigenvalue and their eigenvectors is discussed. Firstly, biorthogonality is...
    Mauricio Porto Pato in Pseudo-Hermitian Random Matrices
    Chapter 2024
  4. A Terminal Condition in Linear Bond-pricing Under Symmetry Invariance

    In this paper, we examine a general bond-pricing model with respect to its solutions that satisfy a given terminal condition. Firstly, we obtain...

    Rivoningo Maphanga, Sameerah Jamal in Journal of Nonlinear Mathematical Physics
    Article Open access 28 July 2023
  5. The Problem of Deformations of a Singular String with a Nonlinear Boundary Condition

    Abstract

    We study by variational methods a two-dimensional model of deformations of a Stieltjes string having localized interactions with the...

    Article 01 January 2024
  6. Highly Smooth Zeroth-Order Methods for Solving Optimization Problems under the PL Condition

    Abstract

    In this paper, we study the black box optimization problem under the Polyak–Lojasiewicz (PL) condition, assuming that the objective function...

    A. V. Gasnikov, A. V. Lobanov, F. S. Stonyakin in Computational Mathematics and Mathematical Physics
    Article 01 April 2024
  7. Calculation of a Strong Resonance Condition in a Hamiltonian System

    Abstract

    A method for symbolic computation of a condition of existence of a third- and fourth-order resonance for investigations of formal stability...

    A. B. Batkhin, Z. Kh. Khaidarov in Computational Mathematics and Mathematical Physics
    Article 01 May 2023
  8. A Double Phase Problem with a Nonlinear Boundary Condition

    In this paper we prove the existence of solutions to a double phase problem with a prescribed nonlinear boundary condition which is nonlinear in...

    Debajyoti Choudhuri, Dušan D. Repovš, Kamel Saoudi in Bulletin of the Malaysian Mathematical Sciences Society
    Article 17 May 2023
  9. Mathematical Model of Flow Past a Sphere with Modified Boundary Slip Condition

    Abstract

    The problem of a slow Stokes flow past a sphere with modified slip condition on its surface is solved. The new boundary condition on the...

    V. F. Sharafutdinov, S. K. Zaripov, ... A. K. Gilfanov in Lobachevskii Journal of Mathematics
    Article 01 July 2023
  10. The Shizuta-Kawashima Condition for the Barotropic SHTC Two Fluid Model

    Recently the barotropic two fluid model belonging to the class of symmetric hyperbolic thermodynamically compatible (SHTC) systems was studied in...
    Conference paper 2024
  11. Tricomi Problem for Mixed Parabolic–Hyperbolic Equation with Higher Order Boundary Condition

    In this paper, we study an analogue of Tricomi problem for a parabolic–hyperbolic equation. One boundary condition in the parabolic part of the...

    Bauyrzhan Derbissaly, Makhmud Sadybekov in Bulletin of the Iranian Mathematical Society
    Article 30 June 2023
  12. Initial–Boundary Value Problems for Homogeneous Parabolic Systems in a Semibounded Plane Domain and Complementarity Condition

    Abstract

    We consider initial–boundary value problems for homogeneous parabolic systems with coefficients satisfying the double Dini condition with...

    S. I. Sakharov in Differential Equations
    Article 01 December 2023
  13. Direct and Inverse Initial Boundary Value Problems for Heat Equation with Non-Classical Boundary Condition

    Abstract

    In this paper we consider solvability of an initial boundary value problem for the heat equation with a dynamic type boundary condition....

    M. Sadybekov, B. Derbissaly in Lobachevskii Journal of Mathematics
    Article 01 October 2023
  14. The nonhomogeneous boundary-value problems for the 1D-NLS equation with lineal boundary condition

    In this paper, we study the initial-boundary-value problem for the cubic nonlinear Schrödinger equation, formulated on a half-line with different...

    Liliana Esquivel, Juan Carlos López in São Paulo Journal of Mathematical Sciences
    Article 11 July 2024
  15. Necessary Optimality Conditions for Second-Order Local Strict Efficiency for Constrained Nonsmooth Vector Equilibrium Problems

    This paper is concerned with primal and dual second-order optimality conditions for the second-order strict efficiency of nonsmooth vector...

    Tran Van Su, Dinh Dieu Hang in Acta Mathematica Vietnamica
    Article 17 December 2022
  16. Stability of Curvature-Dimension Condition for Negative Dimensions Under Concentration Topology

    In this paper, we prove the stability of metric measure spaces satisfying the curvature-dimension condition for negative dimensions under the...

    Article Open access 30 September 2023
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