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检索条件"主题词=Message-passing algorithms"
157 条 记 录,以下是101-110 订阅
Comparative study for inference of hidden classes in stochastic block models
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2012年 第12期2012卷 P12021-P12021页
作者: Zhang, Pan Krzakala, Florent Reichardt, Joerg Zdeborova, Lenka CNRS F-75005 Paris France ESPCI ParisTech UMR Gulliver 7083 F-75005 Paris France Univ Wurzburg Inst Theoret Phys D-97074 Wurzburg Germany CEA Saclay Inst Phys Theor IPhT F-91191 Gif Sur Yvette France CENS Lab Leon Brillouin CNRS URA 2306 F-91191 Gif Sur Yvette France
Inference of hidden classes in stochastic block models is a classical problem with important applications. Most commonly used methods for this problem involve naive mean field approaches or heuristic spectral methods.... 详细信息
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Reconstruction of financial networks for robust estimation of systemic risk
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2012年 第3期2012卷 P03011-P03011页
作者: Mastromatteo, Iacopo Zarinelli, Elia Marsili, Matteo Scuola Int Super Studi Avanzati I-34014 Trieste Italy CNRS LPTMS F-91405 Orsay France Univ Paris 11 UMR8626 F-91405 Orsay France Abdus Salam Int Ctr Theoret Phys I-34014 Trieste Italy
In this paper we estimate the propagation of liquidity shocks through interbank markets when the information about the underlying credit network is incomplete. We show that techniques such as maximum entropy currently... 详细信息
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Replica Plefka expansion of Ising systems
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2012年 第04期2012卷 P04002-P04002页
作者: Yasuda, Muneki Kabashima, Yoshiyuki Tanaka, Kazuyuki Tohoku Univ Grad Sch Informat Sci Dept Appl Informat Sci Aoba Ku Sendai Miyagi 9808579 Japan Tokyo Inst Technol Dept Computat Intelligence & Syst Sci Midori Ku Yokohama Kanagawa 2268502 Japan
The replica extension theory has been developed for the purpose of investigating spin glass systems in the replica symmetry breaking phase. The replica extension theory is a replica theory for a specific sample and ha... 详细信息
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A weighted belief-propagation algorithm for estimating volume-related properties of random polytopes
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2012年 第11期2012卷 P11003-P11003页
作者: Font-Clos, Francesc Alessandro Massucci, Francesco Castillo, Isaac Perez Ctr Recerca Matemat E-08193 Bellaterra Barcelona Spain Univ Autonoma Barcelona Dept Matemat E-08193 Bellaterra Barcelona Spain Univ Rovira & Virgili Dept Engn Quim Tarragona 43007 Spain Kings Coll London Dept Math London WC2R 2LS England
In this work we introduce a novel weighted message-passing algorithm based on the cavity method for estimating volume-related properties of random polytopes, properties which are relevant in various research fields ra... 详细信息
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Resource Allocation via message passing
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INFORMS JOURNAL ON COMPUTING 2011年 第2期23卷 205-219页
作者: Moallemi, Ciamac C. Van Roy, Benjamin Columbia Univ Grad Sch Business New York NY 10027 USA Stanford Univ Dept Management Sci & Engn Stanford CA 94305 USA
We propose a message-passing paradigm for resource allocation problems. This serves to connect ideas from the message-passing literature, which has primarily grown out of the communications, statistical physics, and a... 详细信息
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Exchange of Limits: Why Iterative Decoding Works
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IEEE TRANSACTIONS ON INFORMATION THEORY 2011年 第4期57卷 2169-2187页
作者: Korada, Satish Babu Urbanke, Ruediger L. Ecole Polytech Fed Lausanne Sch Comp & Commun Sci CH-1015 Lausanne Switzerland
We consider communication over binary-input memoryless output-symmetric channels using low-density parity-check codes and message-passing decoding. The asymptotic (in the length) performance of such a combination for ... 详细信息
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Palette-colouring: a belief propagation approach
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2011年 第5期2011卷 P05010-P05010页
作者: Pelizzola, Alessandro Pretti, Marco van Mourik, Jort Politecn Torino CNR Ist Sistemi Complessi I-10129 Turin Italy Politecn Torino CNISM Dipartimento Fis I-10129 Turin Italy Politecn Torino Ctr Computat Studies I-10129 Turin Italy INFN Sez Torino I-10125 Turin Italy HuGeF Torino I-10126 Turin Italy
We consider a variation of the prototype combinatorial optimization problem known as graph colouring. Our optimization goal is to colour the vertices of a graph with a fixed number of colours, in a way to maximize the... 详细信息
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A message-passing approach to random constraint satisfaction problems with growing domains
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2011年 第2期2011卷 P02019-P02019页
作者: Zhao, Chunyan Zhou, Haijun Zheng, Zhiming Xu, Ke Beihang Univ State Key Lab Software Dev Environm Beijing 100191 Peoples R China Beihang Univ Sch Math & Syst Sci Beijing 100191 Peoples R China Chinese Acad Sci Inst Theoret Phys Beijing 100190 Peoples R China Beihang Univ LMIB Beijing 100191 Peoples R China
message-passing algorithms based on belief propagation (BP) are implemented on a random constraint satisfaction problem (CSP) referred to as model RB, which is a prototype of hard random CSPs with growing domain size.... 详细信息
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Characterizing and improving generalized belief propagation algorithms on the 2D Edwards-Anderson model
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2011年 第12期2011卷 P12007-P12007页
作者: Dominguez, Eduardo Lage-Castellanos, Alejandro Mulet, Roberto Ricci-Tersenghi, Federico Rizzo, Tommaso Univ Havana Dept Theoret Phys Havana Cuba Univ Havana Fac Phys Henri Poincare Grp Complex Syst Havana Cuba Univ Roma La Sapienza Dipartimento Fis Ist Nazl Fis Nucl Sez Roma 1 I-00185 Rome Italy Univ Roma La Sapienza CNR IPCF UOS Roma I-00185 Rome Italy
We study the performance of different message passing algorithms in the two-dimensional Edwards-Anderson model. We show that the standard belief propagation (BP) algorithm converges only at high temperature to a param... 详细信息
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Stochastic optimization by message passing
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2011年 第11期2011卷
作者: Altarelli, F. Braunstein, A. Ramezanpour, A. Zecchina, R. Politecn Torino Dept Phys I-10129 Turin Italy Politecn Torino Ctr Computat Sci I-10129 Turin Italy Coll Carlo Alberto I-10024 Moncalieri Italy Human Genet Fdn I-10126 Turin Italy
Most optimization problems in applied sciences realistically involve uncertainty in the parameters defining the cost function, of which only statistical information is known beforehand. Here we provide an in-depth dis... 详细信息
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