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Network graphs have become a popular tool to represent complex systems composed of many interacting subunits; especially in neuroscience, network graphs are increasingly used to represent and analyze functional interactions between neural…

信息论 · 计算机科学 2015-11-24 Patricia Wollstadt , Ulrich Meyer , Michael Wibral

We outline a holographic recipe to reconstruct $\alpha'$ corrections to AdS (quantum) gravity from an underlying CFT in the strictly planar limit ($N\rightarrow\infty$). Assuming that the boundary CFT can be solved in principle to all…

高能物理 - 理论 · 物理学 2017-11-01 Shubho R. Roy , Debajyoti Sarkar

In statistical learning framework with regressions, interactions are the contributions to the response variable from the products of the explanatory variables. In high-dimensional problems, detecting interactions is challenging due to…

统计方法学 · 统计学 2019-10-01 Cheng Yong Tang , Ethan X. Fang , Yuexiao Dong

We show that the existent fuzzy S^2 and S^4 models are natural candidates for the quantum geometry on the corresponding spheres in AdS/CFT correspondence. These models fit nicely the data from the dipole mechanism for the stringy exclusion…

高能物理 - 理论 · 物理学 2009-10-31 Pei-Ming Ho , Miao Li

Graph Neural Networks based on the message-passing (MP) mechanism are a dominant approach for handling graph-structured data. However, they are inherently limited to modeling only pairwise interactions, making it difficult to explicitly…

机器学习 · 计算机科学 2024-09-19 Marco Montagna , Simone Scardapane , Lev Telyatnikov

We study AdS/CFT with a Kaluza-Klein magnetic field in one plane. By appropriate choice of magnetic U(1), and by balancing the magnetic field against the background D field, we obtain a supersymmetric field theory. We find the dual geometry…

高能物理 - 理论 · 物理学 2014-06-26 Ahmed Almuhairi , Joseph Polchinski

Based on realistic simulations, we propose an hybrid method to reconstruct the lensing potential power spectrum, directly on PLANCK-like CMB frequency maps. It implies using a large galactic mask and dealing with a strong inhomogeneous…

宇宙学与河外天体物理 · 物理学 2015-03-20 S. Plaszczynski , A. Lavabre , L. Perotto , J. -L. Starck

Multimodal signals on sensor networks are commonly modeled under the twofold graph assumption (TGA), which represents spatial structure and inter-modality relations as two separate graphs. Existing TGA-based signal restoration methods,…

信号处理 · 电气工程与系统科学 2026-05-27 Haruki Yokota , Hiroshi Higashi , Yuichi Tanaka

Spatial concurrent constraint programming (SCCP) is an algebraic model of spatial modalities in constrained-based process calculi; it can be used to reason about spatial information distributed among the agents of a system. This work…

计算机科学中的逻辑 · 计算机科学 2018-05-22 Miguel Romero , Camilo Rocha

We address the problem of merging graph and feature-space information while learning a metric from structured data. Existing algorithms tackle the problem in an asymmetric way, by either extracting vectorized summaries of the graph…

机器学习 · 计算机科学 2020-02-17 Nicolo Colombo

Magnetic Particle Imaging (MPI) is a novel medical imaging modality. One of the established methods for MPI reconstruction is based on the System Matrix (SM). However, the calibration of the SM is often time-consuming and requires repeated…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Xuqing Geng , Lei Su , Zhongwei Bian , Zewen Sun , Jiaxuan Wen , Jie Tian , Yang Du

Cubic interactions between the simplest mixed-symmetry gauge field and gravity are constructed in anti-de Sitter (AdS) and flat backgrounds. Nonabelian cubic interactions are obtained in AdS following various perturbative methods including…

高能物理 - 理论 · 物理学 2015-05-28 Nicolas Boulanger , E. D. Skvortsov , Yu. M. Zinoviev

Considering disordered electron systems we suggest a scheme that allows us to include an electron-electron interaction into a supermatrix sigma-model. The method is based on replacing the initial model of interacting electons by a fully…

介观与纳米尺度物理 · 物理学 2009-11-10 G. Schwiete , K. B. Efetov

We elevate $\lambda$-deformed $\sigma$-models into full type-II supergravity backgrounds. We construct several solutions which contain undeformed $AdS_n$ spaces, with $n=2,3,4$ and $6$, as an integrable part. In that respect, our examples…

高能物理 - 理论 · 物理学 2021-02-23 Georgios Itsios , Konstantinos Sfetsos

Recently, many graph matching methods that incorporate pairwise constraint and that can be formulated as a quadratic assignment problem (QAP) have been proposed. Although these methods demonstrate promising results for the graph matching…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Fudong Wang , Nan Xue , Yipeng Zhang , Xiang Bai , Gui-Song Xia

A metric graph is a 1-dimensional stratified metric space consisting of vertices and edges or loops glued together. Metric graphs can be naturally used to represent and model data that take the form of noisy filamentary structures, such as…

统计理论 · 数学 2014-02-10 Fabrizio Lecci , Alessandro Rinaldo , Larry Wasserman

The large radius limit in the AdS/CFT correspondence is expected to provide a holographic derivation of flat-space scattering amplitudes. This suggests that questions of locality in the bulk should be addressed in terms of properties of the…

高能物理 - 理论 · 物理学 2009-10-31 Steven B. Giddings

The AdS/CFT correspondence is an exact duality between string theory in anti-de Sitter space and conformal field theories on its boundary. Inspired in this correspondence some relations between strings and non conformal field theories have…

高能物理 - 理论 · 物理学 2008-11-26 Henrique Boschi-Filho , Nelson R. F. Braga

We apply a recently presented BRST procedure to construct the Largangian cubic vertex of higher-spin gauge field triplets interacting with massive free scalars. In flat space, the spin-s triplet propagates the series of irreducible spin-s,…

高能物理 - 理论 · 物理学 2009-06-11 A. Fotopoulos , N. Irges , A. C. Petkou , M. Tsulaia

Guided by the generalized conformal symmetry, we investigate the extension of AdS-CFT correspondence to the matrix model of D-particles in the large N limit. We perform a complete harmonic analysis of the bosonic linearized fluctuations…

高能物理 - 理论 · 物理学 2009-10-31 Yasuhiro Sekino , Tamiaki Yoneya