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Networks in the real world do not exist as isolated entities, but they are often part of more complicated structures composed of many interconnected network layers. Recent studies have shown that such mutual dependence makes real networked…

物理与社会 · 物理学 2014-04-23 Filippo Radicchi

Recent progresses on deep discriminative and generative modeling have shown promising results on texture synthesis. However, existing feed-forward based methods trade off generality for efficiency, which suffer from many issues, such as…

计算机视觉与模式识别 · 计算机科学 2017-03-07 Yijun Li , Chen Fang , Jimei Yang , Zhaowen Wang , Xin Lu , Ming-Hsuan Yang

We investigate the dynamics of pairs of drops in microfluidic ladder networks with slanted bypasses, which break the fore-aft structural symmetry. Our analytical results indicate that unlike symmetric ladder networks, structural asymmetry…

流体动力学 · 物理学 2012-11-01 Jeevan Maddala , William S. Wang , Siva A. Vanapalli , Raghunathan Rengaswamy

In this work, a relay channel is studied in which a source encoder communicates with a destination decoder through a number of out-of-band relays that are connected to the decoder through capacity-constrained digital backhaul links. This…

信息论 · 计算机科学 2013-04-16 Seok-Hwan Park , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

Understanding the structure and dynamics of biological networks is one of the important challenges in system biology. In addition, increasing amount of experimental data in biological networks necessitate the use of efficient methods to…

人工智能 · 计算机科学 2012-07-17 Mohammadreza Keyvanpour , Fereshteh Azizani

We consider multi-class single-server queueing networks that have a product form stationary distribution. A new limit result proves a sequence of such networks converges weakly to a stochastic flow level model. The stochastic flow level…

概率论 · 数学 2009-12-15 N. S. Walton

Symmetry is omnipresent in nature and perceived by the visual system of many species, as it facilitates detecting ecologically important classes of objects in our environment. Symmetry perception requires abstraction of long-range spatial…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Shobhita Sundaram , Darius Sinha , Matthew Groth , Tomotake Sasaki , Xavier Boix

Full-duplex (FD) communications with bidirectional transmitting and receiving at the same time and frequency radio resource have long been deemed a promising way to boost spectrum efficiency, but hindered by the techniques for…

信息论 · 计算机科学 2016-04-12 Rongpeng Li , Yan Chen , Geoffrey Ye Li , Guangyi Liu

We consider the competition of two mechanisms for adoption processes: a so-called complex threshold dynamics and a simple Susceptible-Infected-Susceptible (SIS) model. Separately, these mechanisms lead, respectively, to first order and…

物理与社会 · 物理学 2016-12-14 Agnieszka Czaplicka , Raul Toral , Maxi San Miguel

Hopf bifurcation in networks of coupled ODEs creates periodic states in which the relative phases of nodes are well defined near bifurcation. When the network is a fully inhomogeneous nearest-neighbour coupled unidirectional ring, and node…

动力系统 · 数学 2024-04-15 Ian Stewart

In the context of classification problems, Deep Learning (DL) approaches represent state of art. Many DL approaches are based on variations of standard multi-layer feed-forward neural networks. These are also referred to as deep networks.…

机器学习 · 计算机科学 2023-11-21 Andrea Apicella , Francesco Isgrò , Roberto Prevete

We consider homogeneous coupled cell networks with asymmetric inputs. We obtain general results concerning codimension-one steady-state bifurcations for networks with any number of cells and any number of asymmetric inputs. These results…

动力系统 · 数学 2024-06-05 Manuela Aguiar , Ana Dias , Pedro Soares

This work studies approximation based on single-hidden-layer feedforward and recurrent neural networks with randomly generated internal weights. These methods, in which only the last layer of weights and a few hyperparameters are optimized,…

概率论 · 数学 2021-02-17 Lukas Gonon , Lyudmila Grigoryeva , Juan-Pablo Ortega

The edge-of-chaos dynamics of wide randomly initialized low-rank feedforward networks are analyzed. Formulae for the optimal weight and bias variances are extended from the full-rank to low-rank setting and are shown to follow from…

机器学习 · 统计学 2023-02-01 Thiziri Nait Saada , Jared Tanner

At typical context lengths, the feed-forward MLP block accounts for a large share of a transformer's compute budget, motivating sparse alternatives to dense MLP blocks. We study sparse, tree-structured feed-forward layers as drop-in…

计算与语言 · 计算机科学 2026-04-13 Reza Sedghi , Robin Schiewer , Anand Subramoney , David Kappel

Computing the FFT of a single channel is well understood in the literature. However, computing the FFT of multiple channels in a systematic manner has not been fully addressed. This paper presents a framework to design a family of…

信号处理 · 电气工程与系统科学 2022-11-15 Nanda K. Unnikrishnan , Keshab K. Parhi

The flow in a Hele-Shaw cell with a time-increasing gap poses a unique shrinking interface problem. When the upper plate of the cell is lifted perpendicularly at a prescribed speed, the exterior less viscous fluid penetrates the interior…

流体动力学 · 物理学 2021-01-20 Meng Zhao , Zahra Niroobakhsh , John Lowengrub , Shuwang Li

Traditionally, the evolution of cooperation has been studied on single, isolated networks. Yet a player, especially in human societies, will typically be a member of many different networks, and those networks will play a different role in…

物理与社会 · 物理学 2014-06-09 Zhen Wang , Lin Wang , Matjaz Perc

Neural networks have seen an explosion of usage and research in the past decade, particularly within the domains of computer vision and natural language processing. However, only recently have advancements in neural networks yielded…

机器学习 · 计算机科学 2022-07-20 Jacob Renn , Ian Sotnek , Benjamin Harvey , Brian Caffo

With the successful demonstration of in-band full-duplex (IBFD) transceivers, a new research dimension has been added to wireless networks. This paper proposes an interesting use case of this capability for IBFD self-backhauling…

网络与互联网体系结构 · 计算机科学 2017-02-21 Ankit Sharma , Radha Krishna Ganti , J. Klutto Milleth