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In this paper, under an abstract setting we establish the spreading properties and the existence, non-existence and global attractivity of spatially heterogeneous steady states for a large class of monotone evolution systems without the…

Dynamical Systems · Mathematics 2025-10-22 Taishan Yi , Xiao-Qiang Zhao

Here we propose a generic mechanism - networked buffering - for generating robust traits in complex systems that requires two basic conditions to be satisfied: 1) agents are versatile enough to perform more than one single functional role…

Adaptation and Self-Organizing Systems · Physics 2011-12-15 James M Whitacre , Axel Bender

The regular models of a normal logic program are a particular type of partial (i.e. 3-valued) models which correspond to stable partial models with minimal undefinedness. In this paper, we explore graphical conditions on the dependency…

Logic in Computer Science · Computer Science 2025-02-14 Van-Giang Trinh , Belaid Benhamou , Sylvain Soliman , François Fages

Stochastic reaction networks are dynamical models of biochemical reaction systems and form a particular class of continuous-time Markov chains on $\mathbb{N}^n$. Here we provide a fundamental characterisation that connects structural…

Probability · Mathematics 2018-05-22 Daniele Cappelletti , Carsten Wiuf

This paper investigates steady state solutions of a vasculogenesis model governed by coupled partial differential equations in a bounded two dimensional domain. Explicit steady state solutions are analytically constructed, and their…

Analysis of PDEs · Mathematics 2026-03-31 Sinchita Lahiri , Kun Zhao

We derive the universal real time $U(1)$ topological gauge field action for mixed quantum states of weakly correlated fermions in all dimensions, and demonstrate its independence of the underlying equilibrium or non-equilibrium nature of…

Statistical Mechanics · Physics 2022-12-28 Ze-Min Huang , Xiao-Qi Sun , Sebastian Diehl

The long time behavior of a model for a first order, weakly reversible chemical reaction network is considered, where the movement of the reacting species is described by kinetic transport. The reactions are triggered by collisions with a…

Analysis of PDEs · Mathematics 2020-02-18 Gianluca Favre , Christian Schmeiser

In the study of dynamical systems on networks/graphs, a key theme is how the network topology influences stability for steady states or synchronized states. Ideally, one would like to derive conditions for stability or instability that…

Dynamical Systems · Mathematics 2020-07-01 Raffaella Mulas , Christian Kuehn , Jürgen Jost

The concept of limiting step gives the limit simplification: the whole network behaves as a single step. However, in its simplest form this idea is applicable only to the simplest linear cycles in steady states. For such the simplest cycles…

Chemical Physics · Physics 2008-06-23 A. N. Gorban , O. Radulescu

The analysis of the long-term behavior of the mathematical model of a neural network constitutes a suitable framework to develop new tools for the dynamical description of nonautonomous state-dependent delay equations (SDDEs). The concept…

Dynamical Systems · Mathematics 2019-07-24 Cinzia Elia , Ismael Maroto , Carmen Núñez , Rafael Obaya

The goal of this work is to identify steady-state solutions to dynamical systems defined on large, random families of networks. We do so by passing to a continuum limit where the adjacency matrix is replaced by a non-local operator with…

Dynamical Systems · Mathematics 2026-02-26 Jason J. Bramburger , Matt Holzer , Jackson Williams

From the perspective of the network theory, the present work illustrates how the parametric intrinsic geometric description exhibits an exact set of pair correction functions and global correlation volume with and without the inclusion of…

Applications · Statistics 2010-11-15 Neeraj Gupta , Bhupendra Nath Tiwari , Stefano Bellucci

We study fully nonlinear dead-core systems coupled with strong absorption terms. We discover a chain reaction, exploiting properties of an equation along the system and obtain higher sharp regularity across the free boundary. Additionally,…

Analysis of PDEs · Mathematics 2024-07-18 Damião J. Araújo , Rafayel Teymurazyan

The distributive sequential n-site phosphorylation/dephosphorylation system is an important building block in networks of chemical reactions arising in molecular biology, which has been intensively studied. In the nice paper of Wang and…

Molecular Networks · Quantitative Biology 2019-04-29 Magalí Giaroli , Rick Rischter , Mercedes Pérez Millán , Alicia Dickenstein

We consider the problem of binomiality of the steady state ideals of biochemical reaction networks. We are interested in finding polynomial conditions on the parameters such that the steady state ideal of a chemical reaction network is…

Molecular Networks · Quantitative Biology 2021-07-08 Hamid Rahkooy , Thomas Sturm

It has been recently observed that the dynamical properties of mass action systems arising from many models of biochemical reaction networks can be derived by considering the corresponding properties of a related generalized mass action…

Numerical Analysis · Mathematics 2014-07-22 Matthew D. Johnston

The ergodicity and the output-controllability of stochastic reaction networks have been shown to be essential properties to fulfill to enable their control using, for instance, antithetic integral control. We propose here to extend those…

Optimization and Control · Mathematics 2020-06-24 Corentin Briat , Mustafa Khammash

We consider a problem from biological network analysis of determining regions in a parameter space over which there are multiple steady states for positive real values of variables and parameters. We describe multiple approaches to address…

Symbolic Computation · Computer Science 2019-11-25 R. Bradford , J. H. Davenport , M. England , H. Errami , V. Gerdt , D. Grigoriev , C. Hoyt , M. Kosta , O. Radulescu , T. Sturm , A. Weber

This paper is a physicist's review of the major conceptual issues concerning the problem of spectral universality in quantum systems. Here we present a unified, graph-based view of all archetypical models of such universality (billiards,…

Quantum Physics · Physics 2018-02-19 Wen Wei Ho , Djordje Radicevic

We prove that the steady state of a class of multidimensional reaction-diffusion systems is asymptotically stable at the intersection of unweighted space and exponentially weighted Sobolev spaces, and pay particular attention to a special…

Analysis of PDEs · Mathematics 2022-05-06 Qingxia Li , Xinyao Yang
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