Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Han, Fuqun"'
This work concerns the zeroth-order global minimization of continuous nonconvex functions with a unique global minimizer and possibly multiple local minimizers. We formulate a theoretical framework for inexact proximal point (IPP) methods for global
Externí odkaz:
http://arxiv.org/abs/2412.11485
In this work, we investigate the convergence properties of the backward regularized Wasserstein proximal (BRWP) method for sampling a target distribution. The BRWP approach can be shown as a semi-implicit time discretization for a probability flow OD
Externí odkaz:
http://arxiv.org/abs/2409.01567
We consider in this work an inverse acoustic scattering problem when only phaseless data is available. The inverse problem is highly nonlinear and ill-posed due to the lack of the phase information. Solving inverse scattering problems with phaseless
Externí odkaz:
http://arxiv.org/abs/2403.02584
We present a tensor train (TT) based algorithm designed for sampling from a target distribution and employ TT approximation to capture the high-dimensional probability density evolution of overdamped Langevin dynamics. This involves utilizing the reg
Externí odkaz:
http://arxiv.org/abs/2401.13125
In this work, we focus on the inverse medium scattering problem (IMSP), which aims to recover unknown scatterers based on measured scattered data. Motivated by the efficient direct sampling method (DSM) introduced in [23], we propose a novel direct s
Externí odkaz:
http://arxiv.org/abs/2305.00250
We propose a novel direct sampling method (DSM) for the effective and stable inversion of the Radon transform. The DSM is based on a generalization of the important almost orthogonality property in classical DSMs to fractional order Sobolev duality p
Externí odkaz:
http://arxiv.org/abs/2010.10945
In this work, we investigate a class of elliptic inverse problems and aim to simultaneously recover multiple inhomogeneous inclusions arising from two different physical parameters, using very limited boundary Cauchy data collected only at one or two
Externí odkaz:
http://arxiv.org/abs/2005.05499
Publikováno v:
In Journal of Computational Physics 1 December 2022 470
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Akademický článek
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