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math.AP2025
Uniqueness of strong solutions for SDEs with Hölder diffusions
Rongrong Tian, Shuheng Tu, Jinlong Wei
This paper is concerned with the Itô stochastic differential equations with $\mR^{d\times k}$ diffusions in class of Hölder spaces and continuous $\mR^d$ drifts. We derive a uniq…
math.AP2025
Notes on Multiple Periodic Solutions for Second-order Discrete Hamiltonian System
Liang Ding, Jinlong Wei
By a new orthogonal direct sum decomposition , which is related to , and a new functional , the method in [2] is improved to ob…