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  1. Coefficient Estimates for Starlike and Convex Functions Related to Sigmoid Functions

    We give sharp coefficient bounds for starlike and convex functions related to modified sigmoid functions. We also provide some sharp coefficient...

    M. Raza, D. K. Thomas, A. Riaz in Ukrainian Mathematical Journal
    Article 28 October 2023
  2. Distinguished Coefficient Tensors

    One of the main goals in the current volume is to employ boundary layer potential operators associated with a given second-order weakly elliptic...
    Dorina Mitrea, Irina Mitrea, Marius Mitrea in Geometric Harmonic Analysis V
    Chapter 2023
  3. Strichartz Estimates for Water Waves

    Understanding the well-posedness of nonlinear evolution equations for low regularity data is a fundamental question in the analysis of PDEs. In the...
    Chapter 2024
  4. A Coefficient Inverse Problem for the Mean Field Games System

    A coefficient inverse problem (CIP) of the determination of a coefficient of the mean field games system (MFGS) of the second order is considered....

    Michael V. Klibanov in Applied Mathematics & Optimization
    Article 23 July 2023
  5. Coefficient estimates for the family of starlike and convex functions of reciprocal order

    Our purpose in the present investigation is to determine coefficient estimates and upper bounds of third Hankel determinant for the family of...

    Sudhananda Maharana, Deepak Bansal in Afrika Matematika
    Article 04 February 2022
  6. Strichartz estimates for equations with structured Lipschitz coefficients

    Sharp Strichartz estimates are proved for Schrödinger and wave equations with Lipschitz coefficients satisfying additional structural assumptions. We...

    Dorothee Frey, Robert Schippa in Journal of Evolution Equations
    Article Open access 06 June 2023
  7. The study of coefficient estimates and Fekete–Szegö inequalities for the new classes of m-fold symmetric bi-univalent functions defined using an operator

    The objective of this paper is to introduce new classes of m-fold symmetric bi-univalent functions. We discuss estimates on the Taylor–Maclaurin...

    Daniel Breaz, Luminiţa-Ioana Cotîrlă in Journal of Inequalities and Applications
    Article Open access 27 January 2023
  8. Hyperbolically Lipschitz Continuity, Area Distortion, and Coefficient Estimates for (K, K′)-Quasiconformal Harmonic Map**s of the Unit Disk

    We study the hyperbolically Lipschitz continuity, Euclidean and hyperbolic area distortion theorem, and coefficient estimates for the classes of ( K,...

    D. Zhong, W. Yuan in Ukrainian Mathematical Journal
    Article 01 July 2021
  9. Generalized Varying Coefficient Mediation Models

    Motivated by an analysis of causal mechanism from economic stress to entrepreneurial withdrawals through depressed affect, we develop a two-layer...

    **gyuan Liu, Yujie Liao, Runze Li in Communications in Mathematics and Statistics
    Article 20 February 2024
  10. Analysis and Discretization for an Optimal Control Problem of a Variable-Coefficient Riesz-Fractional Diffusion Equation with Pointwise Control Constraints

    We present a mathematical and numerical study for a pointwise optimal control problem governed by a variable-coefficient Riesz-fractional diffusion...

    Zhaojie Zhou, Fangyuan Wang, **angcheng Zheng in Acta Mathematica Scientia
    Article 28 November 2022
  11. Variable-coefficient parabolic theory as a high-dimensional limit of elliptic theory

    This paper continues the study initiated in Davey (Arch Ration Mech Anal 228:159–196, 2018), where a high-dimensional limiting technique was...

    Blair Davey, Mariana Smit Vega Garcia in Calculus of Variations and Partial Differential Equations
    Article Open access 28 January 2024
  12. Inverse Coefficient Problem for a Time-Fractional Diffusion Equation in the Bounded Domain

    Abstract

    In this paper, an inverse problem of determining a time-dependent source coefficient in a one-dimensional time-fractional diffusion equation...

    D. K. Durdiev, J. J. Jumaev in Lobachevskii Journal of Mathematics
    Article 01 February 2023
  13. Determination of a Non-Stationary Adsorption Coefficient Analytical in Part of Spatial Variables

    Abstract

    The multidimensional adsorption coefficient inverse problem is considered for a second order hyperbolic equation. It is supposed that this...

    D. K. Durdiev, Zh. D. Totieva in Siberian Advances in Mathematics
    Article 01 February 2023
  14. Asymptotic Inference in the Random Coefficient Autoregressive Model with Time-functional Variance Noises

    This paper considers the random coefficient autoregressive model with time-functional variance noises, hereafter the RCA-TFV model. We first...

    En-wen Zhu, Zi-wei Deng, ... **ao-hui Liu in Acta Mathematicae Applicatae Sinica, English Series
    Article 27 March 2024
  15. Normalized analytic functions with fixed second coefficient

    Swati Anand, Naveen Kumar Jain, Sushil Kumar in The Journal of Analysis
    Article 23 January 2023
  16. M-Estimates: A Review and Application for Decision-Making under Uncertainty

    A brief overview of the evolution of the robust estimation methods is presented, in particular, the main concepts of m-estimation methods and their...

    M. S. Dunaievskyi in Cybernetics and Systems Analysis
    Article 01 November 2023
  17. Weierstrass Polynomials in Estimates of Oscillatory Integrals

    In this paper, estimates are obtained for the Fourier transform of smooth charges (measures) concentrated on some nonconvex hypersurfaces. The...

    I. A. Ikromov, A. S. Sadullaev in Journal of Mathematical Sciences
    Article 26 January 2024
  18. Uniform Decay Rates for a Variable-Coefficient Structural Acoustic Model with Curved Interface on a Shallow Shell

    Uniform stabilization of a structural acoustic model describing an acoustic chamber with flexible curved wall is addressed. The coupled nonlinear...

    **g Li, Shugen Chai in Applied Mathematics & Optimization
    Article 07 April 2023
  19. Constructing Estimates of Reachability Sets in Crowd Flows Modeling

    Abstract

    Mathematical modeling of crowd flows in a building is studied. The study is based on a modification of the discrete CTM macromodel built on...

    M. V. Zaitseva, P. A. Tochilin in Computational Mathematics and Mathematical Physics
    Article 01 August 2023
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