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相关论文: On modified Halpern and Tikhonov-Mann iterations

200 篇论文

We study certain linear and antilinear symmetry generators and involution operators associated with pseudo-Hermitian Hamiltonians and show that the theory of pseudo-Hermitian operators provides a simple explanation for the recent results of…

数学物理 · 物理学 2009-11-07 Ali Mostafazadeh

In this paper, we extend the uniform regularity estimates obtained by M. Avellanda and F. Lin in the paper of Compactness methods in the theory of homogenization (Comm. Pure Appl. Math. 40(1987), no.6, 803-847) to the more general second…

偏微分方程分析 · 数学 2015-12-08 Qiang Xu

We introduce and investigate the asymptotic behaviour of the trajectories of a second order dynamical system with Tikhonov regularization for solving a monotone equation with single valued, monotone and continuous operator acting on a real…

最优化与控制 · 数学 2024-11-27 Ernö Robert Csetnek , Szilárd Csaba László

In this paper, we prove a strong convergence theorem of modified Ishikawa iterations for relatively asymptotically nonexpansive mappings in Banach space. Our results extend and improve the recent results by Nakajo, Takahashi, Kim, Xu,…

泛函分析 · 数学 2007-07-16 Yongfu Su , Xiaolong Qin

Tikhonov regularization involves minimizing the combination of a data discrepancy term and a regularizing term, and is the standard approach for solving inverse problems. The use of non-convex regularizers, such as those defined by trained…

最优化与控制 · 数学 2023-02-20 Daniel Obmann , Markus Haltmeier

The regularity theory for variational inequalities over polyhedral sets developed in a series of papers by Robinson, Ralph and Dontchev-Rockafellar in the 90s has long become classics of variational analysis. But in the available proofs of…

最优化与控制 · 数学 2015-09-01 Alexander D. Ioffe

We study the influence of analytical regularization used in the generalized function (distribution) space to the Tikhonov regularization procedure utilized in the different versions of Moore-Penrose's inversion. By introducing a new…

计算物理 · 物理学 2024-10-31 I. V. Anikin , Xurong Chen

We consider abstract operator equations $Fu=y$, where $F$ is a compact linear operator between Hilbert spaces $U$ and $V$, which are function spaces on \emph{closed, finite dimensional Riemannian manifolds}, respectively. This setting is of…

数值分析 · 数学 2015-05-28 Nicolas Thorstensen , Otmar Scherzer

We consider the IVP associated to the generalized KdV equation with low degree of non-linearity \begin{equation*} \partial_t u + \partial_x^3 u \pm |u|^{\alpha}\partial_x u = 0,\; x,t \in \mathbb{R},\;\alpha \in (0,1). \end{equation*} By…

偏微分方程分析 · 数学 2020-12-01 Felipe Linares , Hayato Miyazaki , Gustavo Ponce

We systematically investigated the limited inverse discrete Fourier transform of the quasi distributions from the perspective of inverse problem theory. This transformation satisfies two of Hadamard's well-posedness criteria, existence and…

高能物理 - 格点 · 物理学 2025-06-23 Ao-Sheng Xiong , Jun Hua , Ting Wei , Fu-Sheng Yu , Qi-An Zhang , Yong Zheng

In this study, we introduce a new iterative processes to approximate common fixed points of an infinite family of quasi-nonexpansive mappings and obtain a strongly convergent iterative sequence to the common fixed points of these mappings…

泛函分析 · 数学 2015-02-24 K. Dogan , V. Karakaya

We study recursive regularized learning algorithms in the reproducing kernel Hilbert space (RKHS) with non-stationary online data streams. We introduce the concept of random Tikhonov regularization path and decompose the tracking error of…

机器学习 · 计算机科学 2025-10-24 Xiwei Zhang , Yan Chen , Tao Li

This is a survey, which is a continuation of the previous survey of the author about applications of Carleman estimates to Inverse Problems, J. Inverse and Ill-Posed Problems, 21, 477-560, 2013. It is shown here that Tikhonov functionals…

数学物理 · 物理学 2014-10-29 Michael V. Klibanov

In this paper, the Mean value iterative process is modified with the Mann iterative process for mean nonexpansive mapping in a hyperbolic metric space that satisfy the symmetry criteria and in uniformly convex hyperbolic spaces to validate…

泛函分析 · 数学 2025-05-12 Mohd Tariq , Mayank Sharma

We unify the variational hypocoercivity framework established by D. Albritton, S. Armstrong, J.-C. Mourrat, and M. Novack, with the notion of second-order lifts of reversible diffusion processes, recently introduced by A. Eberle and F.…

概率论 · 数学 2025-02-07 Giovanni Brigati , Francis Lörler , Lihan Wang

Let $Z^H= \{Z^H(t), t \in \R^N\}$ be a real-valued $N$-parameter harmonizable fractional stable sheet with index $H = (H_1, \ldots, H_N) \in (0, 1)^N$. We establish a random wavelet series expansion for $Z^H$ which is almost surely…

概率论 · 数学 2019-03-12 Antoine Ayache , Narn-Rueih Shieh , Yimin Xiao

In this paper we consider convex Tikhonov regularisation for the solution of linear operator equations on Hilbert spaces. We show that standard fractional source conditions can be employed in order to derive convergence rates in terms of…

最优化与控制 · 数学 2020-02-24 Markus Grasmair

We develop a Lyapunov-based analysis of Korpelevich's extragradient method and show that it achieves an $o(1/k)$ last-iterate convergence rate of the constructed Lyapunov function. This Lyapunov function simultaneously upper bounds several…

最优化与控制 · 数学 2026-01-21 Manu Upadhyaya , Puya Latafat , Pontus Giselsson

We quantify the Sobolev space norm of the Beltrami resolvent $(I- \mu \mathcal{B})^{-1}$, where $\mathcal B$ is the Beurling-Ahlfors transform, in terms of the corresponding Sobolev space norm of the dilatation $\mu$ in the critical and…

偏微分方程分析 · 数学 2024-12-12 Francesco Di Plinio , A. Walton Green , Brett D. Wick

We introduce novel convergence results for asynchronous iterations that appear in the analysis of parallel and distributed optimization algorithms. The results are simple to apply and give explicit estimates for how the degree of asynchrony…

最优化与控制 · 数学 2023-04-04 Hamid Reza Feyzmahdavian , Mikael Johansson