Yongkun Li

ORCID: 0000-0003-0182-6288
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Research Areas
  • Nonlinear Differential Equations Analysis
  • Neural Networks Stability and Synchronization
  • Mathematical and Theoretical Epidemiology and Ecology Models
  • Differential Equations and Numerical Methods
  • Neural Networks and Applications
  • Advanced Differential Equations and Dynamical Systems
  • Stability and Controllability of Differential Equations
  • Fractional Differential Equations Solutions
  • stochastic dynamics and bifurcation
  • Differential Equations and Boundary Problems
  • Nonlinear Dynamics and Pattern Formation
  • Nonlinear Partial Differential Equations
  • Advanced Mathematical Modeling in Engineering
  • Advanced Memory and Neural Computing
  • Numerical methods for differential equations
  • Cellular Automata and Applications
  • Cooperative Communication and Network Coding
  • Evolution and Genetic Dynamics
  • Algebraic and Geometric Analysis
  • Machine Learning and ELM
  • Mathematical Analysis and Transform Methods
  • Spectral Theory in Mathematical Physics
  • Stability and Control of Uncertain Systems
  • Cerebrovascular and Carotid Artery Diseases
  • Opinion Dynamics and Social Influence

Fujian Medical University
2012-2025

Yunnan University
2015-2024

Central South University
2007-2024

Fujian Provincial Hospital
2022-2024

Army Medical University
2024

Xinqiao Hospital
2024

State Grid Corporation of China (China)
2024

Kunming University of Science and Technology
2021-2023

Beijing University of Technology
2023

Northwest A&F University
2022

Background: The authors compare the effectiveness and safety of endovascular treatment (EVT) versus best medical management (BMM) in strokes attributable to acute basilar artery occlusion (BAO). Methods: present analysis was based on ongoing, prospective, multicenter ATTENTION (Endovascular Treatment for Acute Basilar Artery Occlusion) trial registry China. Our analytic sample comprised 2134 patients recruited at 48 sites between 2017 2021 included 462 who received BMM 1672 EVT. We performed...

10.1161/circulationaha.121.058544 article EN Circulation 2022-07-05

Firstly, we propose a concept of uniformly almost periodic functions on time scales and investigate some basic properties them. When scale 𝕋 = ℝ or ℤ , our definition the is equivalent to classical definitions sequences, respectively. Then, based these, study existence uniqueness solutions derive fundamental conditions admitting an exponential dichotomy linear dynamic equations. Finally, as application results, for nonlinear equations scales.

10.1155/2011/341520 article EN cc-by Abstract and Applied Analysis 2011-01-01

10.1006/jmaa.2000.7248 article EN publisher-specific-oa Journal of Mathematical Analysis and Applications 2001-03-01

We first propose the concept of almost periodic time scales and then give definition functions on scales, by using theory calculus some mathematical methods, basic results about differential equations are established. Based these results, a class high‐order Hopfield neural networks with variable delays studied sufficient conditions established for existence global asymptotic stability solution. Finally, two examples numerical simulations presented to illustrate feasibility effectiveness results.

10.1155/2011/727068 article EN cc-by Discrete Dynamics in Nature and Society 2011-01-01

Using conformable fractional calculus on time scales, we first introduce Sobolev spaces characterize them, and define weak derivatives. Second, prove the equivalence of some norms in introduced derive their completeness, reflexivity, uniform convexity, compactness imbeddings, which can be regarded as a novelty item. Then, an application, present recent approach via variational methods critical point theory to obtain existence solutions for a<mml:math...

10.1155/2016/9636491 article EN cc-by Advances in Mathematical Physics 2016-01-01

The existence of a positive periodic solution for <disp-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="StartLayout Enlarged left-brace 1st Row StartFraction normal d upper H left-parenthesis t right-parenthesis Over EndFraction equals r left-bracket 1 minus tau K right-bracket alpha P comma b plus beta sigma EndLayout"> <mml:semantics> <mml:mrow> <mml:mo>{</mml:mo> <mml:mtable columnalign="left left" rowspacing=".2em" columnspacing="1em"...

10.1090/s0002-9939-99-05210-7 article EN publisher-specific-oa Proceedings of the American Mathematical Society 1999-01-28

10.1016/j.cnsns.2010.11.004 article EN Communications in Nonlinear Science and Numerical Simulation 2010-11-14
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