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A lowest-degree quasi-conforming finite element de Rham complex on general quadrilateral grids by piecewise polynomials 期刊论文
CALCOLO, 2022, 卷号: 59, 期号: 1, 页码: 32
作者:  Quan, Qimeng;  Ji, Xia;  Zhang, Shuo
收藏  |  浏览/下载：116/0  |  提交时间：2022/04/02
Nonconforming finite element  De Rham complex  General quadrilateral grids  Piecewise polynomial  
Order Reduced Schemes for the Fourth Order Eigenvalue Problems on Multi-Connected Planar Domains 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2021, 卷号: 14, 期号: 4, 页码: 920-944
作者:  Xi, Yingxia;  Ji, Xia;  Zhang, Shuo
收藏  |  浏览/下载：114/0  |  提交时间：2022/04/02
Multilevel mixed element method  fourth order eigenvalue problem  multi-connected planar domain  
A Simple Low-Degree Optimal Finite Element Scheme for the Elastic Transmission Eigenvalue Problem 期刊论文
COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2021, 卷号: 30, 期号: 4, 页码: 1061-1082
作者:  Xi, Yingxia;  Ji, Xia;  Zhang, Shuo
收藏  |  浏览/下载：109/0  |  提交时间：2022/04/02
subject Elastic transmission eigenvalue problem  nonconforming finite element method  high accuracy  
SOURCE RECONSTRUCTION WITH MULTIFREQUENCY SPARSE SCATTERED FIELDS 期刊论文
SIAM JOURNAL ON APPLIED MATHEMATICS, 2021, 卷号: 81, 期号: 6, 页码: 2387-2404
作者:  Ji, Xia;  Liu, Xiaodong
收藏  |  浏览/下载：112/0  |  提交时间：2022/04/02
multipolar point sources  multifrequency scattered fields  sparse data  sampling method  
A High Accuracy Nonconforming Finite Element Scheme for Helmholtz Transmission Eigenvalue Problem 期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2020, 卷号: 83, 期号: 3, 页码: 20
作者:  Xi, Yingxia;  Ji, Xia;  Zhang, Shuo
收藏  |  浏览/下载：131/0  |  提交时间：2020/09/23
Nonconforming finite element method  Transmission eigenvalues  High accurary  
A multi-level mixed element scheme of the two-dimensional Helmholtz transmission eigenvalue problem 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2020, 卷号: 40, 期号: 1, 页码: 686-707
作者:  Xi, Yingxia;  Ji, Xia;  Zhang, Shuo
收藏  |  浏览/下载：135/0  |  提交时间：2020/09/23
mixed finite element method  transmission eigenvalue  multi-level scheme  
Inverse Fluid-solid Interaction Scattering Problem Using Phased and Phaseless Far Field Data 期刊论文
ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 2020, 卷号: 36, 期号: 1, 页码: 74-94
作者:  Ji, Xia;  Jia, Yun-fei;  Liu, Xiao-dong
收藏  |  浏览/下载：213/0  |  提交时间：2020/05/24
fluid-solid interaction scattering  direct sampling method  far field pattern  phaseless  phase retrieval  
IDENTIFICATION OF POINT-LIKE OBJECTS WITH MULTIFREQUENCY SPARSE DATA 期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2020, 卷号: 42, 期号: 4, 页码: A2325-A2343
作者:  Ji, Xia;  Liu, Xiaodong
收藏  |  浏览/下载：129/0  |  提交时间：2021/01/14
inverse scattering  multifrequency  sparse data  uniqueness  sampling method  
Target Reconstruction with a Reference Point Scatterer using Phaseless Far Field Patterns 期刊论文
SIAM JOURNAL ON IMAGING SCIENCES, 2019, 卷号: 12, 期号: 1, 页码: 372-391
作者:  Ji, Xia;  Liu, Xiaodong;  Zhang, Bo
收藏  |  浏览/下载：253/0  |  提交时间：2020/01/10
phaseless data  phase retrieval  stability  sampling method  far field pattern  
INVERSE ELECTROMAGNETIC SOURCE SCATTERING PROBLEMS WITH MULTIFREQUENCY SPARSE PHASED AND PHASELESS FAR FIELD DATA 期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2019, 卷号: 41, 期号: 6, 页码: B1368-B1388
作者:  Ji, Xia;  Liu, Xiaodong
收藏  |  浏览/下载：179/0  |  提交时间：2020/09/23
electromagnetic source scattering  phaseless far field data  uniqueness  phase retrieval  direct sampling methods