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This paper deals with the detection and prediction of losses due to cyber attacks waged on vital networks. The accumulation of losses to a network during a series of attacks is modeled by a 2-dimensional monotone random walk process as…

概率论 · 数学 2019-01-23 Jewgeni H. Dshalalow , Ryan T. White

We propose a guided dropout regularizer for deep networks based on the evidence of a network prediction defined as the firing of neurons in specific paths. In this work, we utilize the evidence at each neuron to determine the probability of…

计算机视觉与模式识别 · 计算机科学 2021-01-22 Andrea Zunino , Sarah Adel Bargal , Pietro Morerio , Jianming Zhang , Stan Sclaroff , Vittorio Murino

Lifelong learning capabilities are crucial for artificial autonomous agents operating on real-world data, which is typically non-stationary and temporally correlated. In this work, we demonstrate that dynamically grown networks outperform…

神经与进化计算 · 计算机科学 2018-12-03 German I. Parisi , Xu Ji , Stefan Wermter

We propose a statistical model of a large random network with high connectivity in order to describe the behavior of {\it E.\,coli} cells after exposure to acute stress. The building blocks of this network are feedback cycles typical of the…

无序系统与神经网络 · 物理学 2022-02-22 S. Reich , S. Maoz , Y. Kaplan , H. Rappeport , N. Q. Balaban , O. Agam

Continual learning has become a trending topic in machine learning. Recent studies have discovered an interesting phenomenon called loss of plasticity, referring to neural networks gradually losing the ability to learn new tasks. However,…

机器学习 · 计算机科学 2026-02-11 Tianhui Liu , Lili Mou

We investigate the universality of multi-spin systems in architectures of various symmetries of coupling type and topology. Explicit reachability sets under symmetry constraints are provided. Thus for a given (possibly symmetric)…

量子物理 · 物理学 2009-05-17 U. Sander , T. Schulte-Herbrueggen

The methylation of DNA regulates gene expression. On cell division the methylation state of the DNA is typically inherited from parent to daughter cells. While the chemical bond between the methyl group and the DNA is very strong, changes…

种群与进化 · 定量生物学 2012-10-05 Sean P Stromberg

In cellular reprogramming, almost all epigenetic memories of differentiated cells are erased by the overexpression of few genes, regaining pluripotency, potentiality for differentiation. Considering the interplay between oscillatory gene…

生物物理 · 物理学 2021-09-14 Yuuki Matsushita , Tetsuhiro S. Hatakeyama , Kunihiko Kaneko

Epilepsy is a common neurological disorder characterized by abrupt seizures. Although seizures may appear random, they are often preceded by early warning signs in neural signals, notably, critical slowing down, a phenomenon in which the…

系统与控制 · 电气工程与系统科学 2024-11-12 Yuzhen Qin , Marcel van Gerven

Generative mechanisms which lead to empirically observed structure of networked systems from diverse fields like biology, technology and social sciences form a very important part of study of complex networks. The structure of many…

物理与社会 · 物理学 2015-12-03 Snehal M. Shekatkar , G. Ambika

Hallucination is a central failure mode in large language models (LLMs). We focus on hallucinations of answers to questions like: "Which instrument did Glenn Gould play?", but we ask these questions for synthetic entities that are unknown…

计算与语言 · 计算机科学 2026-01-19 Yuetian Lu , Yihong Liu , Hinrich Schütze

We present an account of neuroplasticity with respect to cell-internal processing pathways in relation to membrane and synaptic plasticity. We think traditional synapse-centric, weight-based models of memorization are not sufficient or…

神经元与认知 · 定量生物学 2026-04-27 Gabriele Scheler

The triplet or type-II seesaw mechanism is the simplest way to endow neutrinos with mass in the Standard Model (SM). Here we review its associated theory and phenomenology, including restrictions from $S$, $T$, $U$ parameters, neutrino…

高能物理 - 唯象学 · 物理学 2022-06-01 Sanjoy Mandal , O. G. Miranda , G. Sanchez Garcia , J. W. F. Valle , Xun-Jie Xu

Network controllability is a powerful tool to study causal relationships in complex systems and identify the driver nodes for steering the network dynamics into desired states. However, due to ill-posed conditions, results become unreliable…

We study discrete dynamical systems through the topological concepts of limit set, which consists of all points that can be reached arbitrarily late, and asymptotic set, which consists of all adhering values of orbits. In particular, we…

动力系统 · 数学 2011-10-20 Guillon Pierre , Richard Gaétan

Cellular responses to death-promoting stimuli typically proceed through a differentiated multistage process, involving a lag phase, extensive death, and potential adaptation. Deregulation of this chain of events is at the root of many…

细胞行为 · 定量生物学 2010-12-03 Jose M. G. Vilar

With the advancement of synthetic biology, several new tools have been conceptualized over the years as alternative treatments for current medical procedures. Most of those applications are applied to various chronic diseases. This work…

Reconstructing the states of the nodes of a dynamical network is a problem of fundamental importance in the study of neuronal and genetic networks. An underlying related problem is that of observability, i.e., identifying the conditions…

斑图形成与孤子 · 物理学 2017-03-31 Afroza Shirin , Dionicio F. Rios , Francesco Sorrentino

We consider a networked control system (NCS) consisting of two plants, a global plant and a local plant, and two controllers, a global controller and a local controller. The global (resp. local) plant follows discrete-time stochastically…

系统与控制 · 计算机科学 2018-02-05 Seyed Mohammad Asghari , Yi Ouyang , Ashutosh Nayyar

We introduce bio-inspired artificial neural networks consisting of neurons that are additionally characterized by spatial positions. To simulate properties of biological systems we add the costs penalizing long connections and the proximity…

神经与进化计算 · 计算机科学 2019-10-08 Maciej Wołczyk , Jacek Tabor , Marek Śmieja , Szymon Maszke