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Related papers: A Becker-D\"oring type model for cell polarization

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We study Frenkel exciton-polariton Bose-Einstein condensation in a two-dimensional defect-free triangular photonic crystal with an organic semiconductor active medium containing bound excitons with dipole moments oriented perpendicular to…

Optics · Physics 2018-04-04 D. V. Karpov , I. G. Savenko

This article deals with the convergence of finite volume scheme (FVS) for solving coagulation and multiple fragmentation equations having locally bounded coagulation kernel but singularity near the origin due to fragmentation rates. Thanks…

Numerical Analysis · Mathematics 2022-10-04 Sanjiv Kumar Bariwal , Prasanta Kumar Barik , Ankik Kumar Giri , Rajesh Kumar

In this paper we deal with diffusive relaxation limits of nonlinear systems of Euler type modeling chemotactic movement of cells toward Keller--Segel type systems. The approximating systems are either hyperbolic--parabolic or…

Analysis of PDEs · Mathematics 2008-07-25 M. Di Francesco , D. Donatelli

We study in detail the application of renormalisation theory to models of cluster aggregation and fragmentation of relevance to nucleation and growth processes. In particular, we investigate the Becker-Doring (BD) equations, originally…

Statistical Mechanics · Physics 2009-11-07 Jonathan AD Wattis , Peter V Coveney

We develop a nonperturbative approach to the bulk polarization of crystalline electric insulators in $d\geq1$ dimensions. Formally, we define polarization via the response to background fluxes of both charge and lattice translation…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 Xue-Yang Song , Yin-Chen He , Ashvin Vishwanath , Chong Wang

A reaction-diffusion system with mass conservation modelling cell polarity is considered. A range of the parameters is found where the solution converges exponentially to the constant equilibrium and the $\omega$-limit set of the solution…

Analysis of PDEs · Mathematics 2021-04-21 Evangelos Latos , Takashi Suzuki

We prove an explicit formula for the Bergman kernel of polarized abelian varieties. As applications, we show that if two positive line bundles represent the same first Chern class and have identical Bergman kernel functions for some tensor…

Differential Geometry · Mathematics 2025-11-25 Jingzhou Sun

We develop a model in the framework of nuclear fragmentation at thermodynamic equilibrium which can be mapped onto an Ising model with constant magnetization. We work out the thermodynamic properties of the model as well as the properties…

Nuclear Theory · Physics 2009-10-31 J. M. Carmona , J. Richert , A. Tarancon

Reaction-diffusion systems have been widely used to study spatio-temporal phenomena in cell biology, such as cell polarization. Coupled bulk-surface models naturally include compartmentalization of cytosolic and membrane-bound polarity…

Pattern Formation and Solitons · Physics 2020-08-11 Frédéric Paquin-Lefebvre , Bin Xu , Kelsey L. DiPietro , Alan E. Lindsay , Alexandra Jilkine

We compute the polarization power spectra for global strings, monopoles, textures and nontopological textures, and compare them to inflationary models. We find that topological defect models predict a significant (1 microK) contribution to…

Astrophysics · Physics 2008-11-26 Uros Seljak , Ue-Li Pen , Neil Turok

We consider the thermal behavior of a large number of matrix degrees of freedom in the planar limit. We work in $0+1$ dimensions, with $D$ matrices, and use $1/D$ as an expansion parameter. This can be thought of as a non-commutative…

High Energy Physics - Theory · Physics 2024-12-03 Takanori Anegawa , Norihiro Iizuka , Daniel Kabat

Condensation of microcavity polaritons and the substantial influence of pair-breaking disorder and decoherence leading to a laser regime has been recently considered using two different models: a model for direct two band excitons in a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. M. Marchetti , M. H. Szymanska , P. R. Eastham , B. D. Simons , P. B. Littlewood

In this note, we study an infinite reaction network called the stochastic Becker-D\"oring process, a sub-class of the general coagulation-fragmentation models. We prove pathwise convergence of the process towards the deterministic…

Probability · Mathematics 2021-01-14 Erwan Hingant , Romain Yvinec

Concentration gradients of signaling molecules are essential for patterning during development and they have been observed in both unicellular and multicellular systems. In subcellular systems, clustering of the signaling molecule has been…

Molecular Networks · Quantitative Biology 2015-02-09 Timothy E Saunders

Cell polarity and movement are fundamental to many biological functions. Experimental and theoretically studies have indicated that interactions of certain proteins lead to the cell polarization which plays a key role in controlling the…

Dynamical Systems · Mathematics 2022-08-12 Shuang Liu , Li-Tien Cheng , Bo Li

For a coagulation equation with Becker-Doring type interactions and time-independent monomer input we study the detailed long-time behaviour of nonnegative solutions and prove the convergence to a self-similar function.

Adaptation and Self-Organizing Systems · Physics 2007-05-23 F. P. da Costa , H. J. van Roessel , J. A. D. Wattis

We prove the following asymptotic behavior for solutions to the generalized Becker-D\"oring system for general initial data: under a detailed balance assumption and in situations where density is conserved in time, there is a critical…

Mathematical Physics · Physics 2010-11-23 José Alfredo Cañizo Rincón

Linear rate equations are used to describe the cascading decay of an initial heavy cluster into fragments. This representation is based upon a triangular matrix of transition rates. We expand the state vector of mass multiplicities, which…

Nuclear Theory · Physics 2009-10-28 B. G. Giraud , W-h. Ma , R. Peschanski

We examine the validity of the hypothesis of self-similarity in systems coarsening under the driving force of interface energy reduction in which three dimensional particles are intersected by a one or two dimensional diffusion matrix. In…

Materials Science · Physics 2009-10-30 Jorge Vinals , W. W. Mullins

We develop the first theoretical model for the analytical description of ion concentration polarization (ICP)-based electrokinetic molecular concentration, which had not been possible due to the extraordinary complexity of the system. We…

Fluid Dynamics · Physics 2018-01-08 Wei Ouyang , Zirui Li , Xinghui Ye , Jongyoon Han