Yongqing Liu

ORCID: 0000-0003-3937-9065
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Research Areas
  • Holomorphic and Operator Theory
  • Mathematical and Theoretical Epidemiology and Ecology Models
  • Nonlinear Differential Equations Analysis
  • Neural Networks Stability and Synchronization
  • Stability and Control of Uncertain Systems
  • Cybersecurity and Information Systems
  • Differential Equations and Numerical Methods
  • Elasticity and Wave Propagation
  • Mathematical Analysis and Transform Methods
  • Algebraic and Geometric Analysis
  • Digital Media and Visual Art
  • Approximation Theory and Sequence Spaces
  • Neural Networks and Applications
  • Advanced Differential Equations and Dynamical Systems
  • Advanced Harmonic Analysis Research
  • Numerical methods for differential equations
  • Control and Stability of Dynamical Systems
  • Advanced Banach Space Theory
  • Matrix Theory and Algorithms
  • Image and Video Stabilization
  • Advanced Control and Stabilization in Aerospace Systems
  • Differential Equations and Boundary Problems
  • Advanced Algorithms and Applications
  • Algorithms and Data Compression
  • Web Applications and Data Management

Changshu Institute of Technology
2023-2024

China Institute of Sport Science
2024

Soochow University
2019-2022

Lomonosov Moscow State University
2019-2021

South China University of Technology
1989-2012

Guangdong University of Technology
2000

An improved Razumikhin-type theorem is established, and the advantage of established for reducing conservatism discussed. For a class time-delay systems, simple asymptotic stability condition deduced as an application theorem. Two illustrative examples are given to show superiority results those in literature.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

10.1109/9.286265 article EN IEEE Transactions on Automatic Control 1994-04-01

10.1007/s40840-025-01832-6 article EN Bulletin of the Malaysian Mathematical Sciences Society 2025-02-06

10.1007/s00009-024-02715-z article EN Mediterranean Journal of Mathematics 2024-08-14

10.1007/s43034-023-00278-w article EN Annals of Functional Analysis 2023-05-10

Abstract The text mainly analyzes digital method, expression style and creativity of computer illustration from the perspective modern design development. With dramatic development technology network popularization, it reveals that gains great technical support. Artistic thoughts ideas also win new release, which generates a visual experience for individuals. Digital has become most appealing fashionable art form in this era.

10.1088/1742-6596/1302/2/022063 article EN Journal of Physics Conference Series 2019-08-01

In this paper, we reveal an internal structure within Dedekind numbers, demonstrating that they can be expressed as polynomials of powers 2. This discovery is based on innovative concepts and methods, offering a new perspective the nature these numbers.

10.48550/arxiv.2403.03703 preprint EN arXiv (Cornell University) 2024-03-06

10.1007/s11401-024-0016-6 article EN Chinese Annals of Mathematics Series B 2024-03-01

10.1007/s11785-024-01573-7 article Complex Analysis and Operator Theory 2024-07-01

In this paper, we study Hausdorff operator $\mathcal{H}_\mu$ on a large class of weighted mixed norm Fock spaces $F_\phi^{p,q}$ for $1\leq p,q\leq\infty$. The boundedness and compactness are characterized. As applications, give when is power bounded or uniformly mean ergodic.

10.48550/arxiv.2410.07748 preprint EN arXiv (Cornell University) 2024-10-10

The rapid development of Internet Things (IoT) technology has made the interconnection all things a reality. However, multi-source data fusion still faces challenges such as diversity different device interfaces, non-unification clocks, and high integration video acquisition devices. synchronous serial communication interface image is great significance due to its wide application. Based on digital signal detection in this study, combination with application OpenCV processing control, USB...

10.1117/12.3049920 article EN 2024-12-11

10.1006/jmaa.2000.6829 article EN publisher-specific-oa Journal of Mathematical Analysis and Applications 2000-07-01

This paper aims to introduce a visual construction and source code transformation model technology based on interface dynamic orchestration technology. adopts new method realize by automatically generating component layout behavior code, uses real-time conversion convert visually-generated into real running thus greatly improving the development efficiency quality. The is mainly composed of two parts: first part technology, which can generate adapt different screen sizes devices according...

10.1109/auteee60196.2023.10407672 article EN 2022 IEEE 5th International Conference on Automation, Electronics and Electrical Engineering (AUTEEE) 2023-12-15

In this paper, we introduce pseudo-Carleson measure, a generalization of Carleson for Fock spaces, and give sufficient necessary conditions complex Borel measure to be pseudo-Carleson. We then integral representations functions in space, use the measures characterize boundedness compactness small Hankel operators on spaces.

10.11650/tjm/220801 article EN Taiwanese Journal of Mathematics 2022-08-05

Mean-square practical stability for stochastic large-scale dynamical systems is studied. The vector Lyapunov functions and the basic comparison principle of as well decomposition-aggregation method were used to obtain results various types mean-square nonlinear systems. objective analyze in terms their lower-order subsystems interconnecting structure. These make it possible determine by testing corresponding auxiliary deterministic systems.< <ETX...

10.1109/icsmc.1991.169736 article EN 2002-12-09

10.1016/s0377-0427(02)00859-2 article EN Journal of Computational and Applied Mathematics 2003-04-30

Задача расшифровки монотонных функций хорошо известна. Из работ В. К. Коробкова и Ж. Анселя следует, что сложность $\varphi_M(n)$ алгебры логики равна $C_n^{\lfloor n/2\rfloor} + C_n^{\lfloor n/2\rfloor+1}$ ($\varphi_M(n)$ обозначает наименьшее число вопросов о значении неизвестной монотонной функции на наборе, которое достаточно для восстановления любой $n$ переменных). В работе рассматривается задача в случае, когда вопросы наборе один раз можно получить неверный ответ, но даже при этом...

10.4213/dm1585 article RU Дискретная математика 2019-01-01

An important property of discrete Hopfield-type neural networks is that it always converges to a stable state when operating in serial mode and cycle length at most 2 full parallel mode. In this paper, convergence theorems with delay are obtained. Under proper assumption, i.e., which weight matrix symmetric matrix, proved any will converge mode, extends earlier works. The authors also relate the maximum bivariate energy function delay. other words, network can only one step while has...

10.1109/acc.2000.878982 article EN 2000-01-01
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