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检索条件"主题词=robust algorithms"
70 条 记 录,以下是11-20 订阅
排序:
robust recovery for stochastic block models  62
Robust recovery for stochastic block models
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62nd IEEE Annual Symposium on Foundations of Computer Science (FOCS)
作者: Ding, Jingqiu D'Orsi, Tommaso Nasser, Rajai Steurer, David Swiss Fed Inst Technol Comp Sci Dept Zurich Switzerland
We develop an efficient algorithm for weak recovery in a robust version of the stochastic block model. The algorithm matches the statistical guarantees of the best known algorithms for the vanilla version of the stoch... 详细信息
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robust phase retrieval via median-truncated smoothed amplitude flow
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INVERSE PROBLEMS IN SCIENCE AND ENGINEERING 2021年 第13期29卷 3024-3040页
作者: Luo, Qi Lin, Shijian Wang, Hongxia Natl Univ Def Technol Dept Math Changsha 410073 Hunan Peoples R China Natl Univ Def Technol Dept Comp Sci Changsha Peoples R China
Phase retrieval (PR) is an inverse problem about recovering a signal from phaseless linear measurements, which arises in various fields. In practical scenarios, partial measurements can be inevitably corrupted by outl... 详细信息
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robust ADAPTIVE POWER ALLOCATION FOR THE DOWNLINK OF MULTIPLE-ANTENNA SYSTEMS  21
ROBUST ADAPTIVE POWER ALLOCATION FOR THE DOWNLINK OF MULTIPL...
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IEEE Statistical Signal Processing Workshop (SSP)
作者: Flores, Andre R. de Lamare, Rodrigo C. Pontifical Catholic Univ Rio de Janeiro Ctr Telecommun Studies CETUC Rio De Janeiro Brazil
Multiple-input multiple-output (MIMO) systems greatly increase the overall throughput of wireless systems since they are capable of transmitting multiple streams employing the same time-frequency resources. However, t... 详细信息
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Online computation with untrusted advice
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JOURNAL OF COMPUTER AND SYSTEM SCIENCES 2024年 144卷
作者: Angelopoulos, Spyros Durr, Christoph Jin, Shendan Kamali, Shahin Renault, Marc Sorbonne Univ CNRS Lab Informat Paris 6 LIP6 Paris France Univ Chile CNRS CMM Santiago Chile York Univ Dept Elect Engn & Comp Sci Toronto ON Canada Univ Wisconsin Madison Comp Sci Dept Madison WI USA Sorbonne Univ CNRS LIP6 Paris France
We study a generalization of the advice complexity model of online computation in which the advice is provided by an untrusted source. Our objective is to quantify the impact of untrusted advice so as to design and an... 详细信息
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Augmented Lagrangian preconditioners for the Oseen-Frank model of nematic and cholesteric liquid crystals
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BIT NUMERICAL MATHEMATICS 2021年 第2期61卷 607-644页
作者: Xia, Jingmin Farrell, Patrick E. Wechsung, Florian Univ Oxford Math Inst Oxford England NYU Courant Inst Math Sci New York NY USA
We propose a robust and efficient augmented Lagrangian-type preconditioner for solving linearizations of the Oseen-Frank model arising in nematic and cholesteric liquid crystals. By applying the augmented Lagrangian m... 详细信息
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Information Elicitation from Rowdy Crowds  21
Information Elicitation from Rowdy Crowds
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30th World Wide Web Conference (WWW)
作者: Schoenebeck, Grant Yu, Fang-Yi Zhang, Yichi Univ Michigan Ann Arbor MI 48109 USA Harvard Univ Boston MA 02115 USA
We initiate the study of information elicitation mechanisms for a crowd containing both self-interested agents, who respond to incentives, and adversarial agents, who may collude to disrupt the system. Our mechanisms ... 详细信息
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robust CUR Decomposition: Theory and Imaging Applications*
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SIAM JOURNAL ON IMAGING SCIENCES 2021年 第4期14卷 1472-1503页
作者: Cai, HanQin Hamm, Keaton Huang, Longxiu Needell, Deanna Univ Calif Los Angeles Dept Math Los Angeles CA 90095 USA Univ Texas Arlington Dept Math Arlington TX 76019 USA
This paper considers the use of robust principal component analysis (RPCA) in a CUR decomposition framework and applications thereof. Our main algorithms produce a robust version of columnrow factorizations of matrice... 详细信息
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Non-convex low-rank matrix recovery with arbitrary outliers via median-truncated gradient descent
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INFORMATION AND INFERENCE-A JOURNAL OF THE IMA 2020年 第2期9卷 289-325页
作者: Li, Yuanxin Chi, Yuejie Zhang, Huishuai Liang, Yingbin Carnegie Mellon Univ Dept Elect & Comp Engn Pittsburgh PA 15213 USA Microsoft Res Asia Beijing 100080 Peoples R China
Recent work has demonstrated the effectiveness of gradient descent for directly recovering the factors of low-rank matrices from random linear measurements in a globally convergent manner when initialized properly. Ho... 详细信息
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Blocked algorithms for robust Solution of Triangular Linear Systems  12th
Blocked Algorithms for Robust Solution of Triangular Linear ...
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12th International Conference on Parallel Processing and Applied Mathematics (PPAM)
作者: Mikkelsen, Carl Christian Kjelgaard Karlsson, Lars Umea Univ Dept Comp Sci S-90187 Umea Sweden
We consider the problem of computing a scaling a such that the solution x of the scaled linear system Tx = ab can be computed without exceeding an overflow threshold Omega. Here T is a non-singular upper triangular ma... 详细信息
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Scheduling When You Do Not Know the Number of Machines
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ACM TRANSACTIONS ON algorithms 2020年 第1期16卷 9-9页
作者: Stein, Clifford Zhong, Mingxian Columbia Univ 500 West 120th St New York NY 10027 USA CUNY Lehman Coll 250 Bedford Pk Blvd W Bronx NY 10468 USA CUNY Grad Ctr 250 Bedford Pk Blvd W Bronx NY 10468 USA
Often in a scheduling problem, there is uncertainty about the jobs to be processed. The issue of uncertainty regarding the machines has been much less studied. In this article, we study a scheduling environment in whi... 详细信息
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