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检索条件"主题词=message-passing algorithms"
157 条 记 录,以下是91-100 订阅
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Solving the spherical p-spin model with the cavity method: equivalence with the replica results
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2020年 第11期2020卷 113302-113302页
作者: Gradenigo, Giacomo Angelini, Maria Chiara Leuzzi, Luca Ricci-Tersenghi, Federico Gran Sasso Sci Inst Laquila Italy UOS Roma Inst Nanotechnol CNR Nanotec Rome Italy Sapienza Univ Roma Dipartimento Fis Rome Italy Ist Nazl Fis Nucl Sez Roma1 Rome Italy
The spherical p-spin is a fundamental model for glassy physics, thanks to its analytical solution achievable via the replica method. Unfortunately, the replica method has some drawbacks: it is very hard to apply to di... 详细信息
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Low-temperature excitations within the Bethe approximation
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2013年 第4期2013卷 P04011-P04011页
作者: Biazzo, I. Ramezanpour, A. Politecn Torino Dept Phys I-10129 Turin Italy Politecn Torino Ctr Computat Sci I-10129 Turin Italy
We propose the variational quantum cavity method to construct a minimal energy subspace of wavevectors that are used to obtain some upper bounds for the energy cost of the low-temperature excitations. Given a trial wa... 详细信息
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Finite size corrections to random Boolean networks
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2006年 第12期2006卷 P12012-P12012页
作者: Leone, Michele Pagnani, Andrea Parisi, Giorgio Zagordi, Osvaldo ISI Fdn I-10133 Turin Italy Univ Roma La Sapienza Dipartimento Fis I-00185 Rome Italy Scuola Int Super Studi Avanzati ISAS I-34014 Trieste Italy
Since their introduction, Boolean networks have been traditionally studied in view of their rich dynamical behaviour under different update protocols and for their qualitative analogy with cell regulatory networks. Mo... 详细信息
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Efficient inference in the transverse field Ising model
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2023年 第3期2023卷 033301-033301页
作者: Dominguez, E. Kappen, H. J. Radboud Univ Nijmegen Donders Inst Brain Cognit & Behav Nijmegen Netherlands
In this paper we introduce an approximate method to solve the quantum cavity equations for transverse field Ising models. The method relies on a projective approximation of the exact cavity distributions of imaginary ... 详细信息
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A novel approach for studying realistic navigations on networks
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2007年 第04期2007卷 P04007-P04007页
作者: Sen, Parongama Univ Calcutta Dept Phys Kolkata 700009 W Bengal India
We consider navigation or search schemes on networks which are realistic in the sense that not all search chains can be completed. We show that the quantity mu = rho/s(d), where sd is the average dynamic shortest dist... 详细信息
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Approximate message-passing with spatially coupled structured operators, with applications to compressed sensing and sparse superposition codes
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2015年 第5期000卷 P05013-P05013页
作者: Barbier, Jean Schuelke, Christophe Krzakala, Florent Ecole Normale Super CNRS UMR 8550 Phys Stat Lab F-75231 Paris France Univ Paris 06 F-75231 Paris France Univ Paris 06 Sorbonne Univ UMR 8550 F-75231 Paris France Univ Paris Diderot Sorbonne Paris Cite F-75205 Paris France Univ Roma La Sapienza Dipartimento Fis I-00185 Rome Italy
We study the behavior of approximate message-passing (AMP), a solver for linear sparse estimation problems such as compressed sensing, when the i.i.d matrices-for which it has been specifically designed-are replaced b... 详细信息
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Approximate inverse Ising models close to a Bethe reference point
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2013年 第9期2013卷
作者: Furtlehner, Cyril Univ Paris 11 Inria Saclay F-91405 Orsay France
We investigate different ways of generating approximate solutions to the inverse Ising problem (IIP). Our approach consists in taking as a starting point for further perturbation procedures, a Bethe mean-field solutio... 详细信息
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Statistical mechanics of reputation systems in autonomous networks
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2013年 第08期2013卷
作者: Manoel, Andre Vicente, Renato Univ Sao Paulo Inst Fis Dept Fis Geral BR-05314090 Sao Paulo Brazil Univ Sao Paulo Inst Matemat & Estat Dept Appl Math BR-05508090 Sao Paulo Brazil
Reputation systems seek to infer which members of a community can be trusted based on ratings they issue about each other. We construct a Bayesian inference model and simulate approximate estimates using belief propag... 详细信息
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Optimal static and dynamic recycling of defective binary devices
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2004年 第11期2004卷 P11003-P11003页
作者: Challet, D Castillo, IP Univ Oxford Inst Math Nomura Ctr Quantitat Finance Oxford OX1 3LB England Katholieke Univ Leuven Inst Theoret Fys B-3001 Heverlee Belgium
The binary defect combination problem consists in finding a fully working subset from a given ensemble of imperfect binary components. We determine the typical properties of the model using methods of statistical mech... 详细信息
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Disordered systems insights on computational hardness
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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2022年 第11期2022卷 114015-114015页
作者: Gamarnik, David Moore, Cristopher Zdeborova, Lenka MIT Operat Res Ctr Cambridge MA 02139 USA MIT Sloan Sch Management Cambridge MA 02139 USA Santa Fe Inst Santa Fe NM 87501 USA Ecole Polytech Fed Lausanne EPFL SPOC Lab Route Cantonale CH-1015 Lausanne Switzerland
In this review article we discuss connections between the physics of disordered systems, phase transitions in inference problems, and computational hardness. We introduce two models representing the behavior of glassy... 详细信息
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