Article
Mathematics, Applied
Marina A. Ferreira, Jani Lukkarinen, Alessia Nota, Juan J. L. Velazquez
Summary: The study focuses on coagulation equations under non-equilibrium conditions induced by a source term for small cluster sizes. It is found that the two weight function parameters determine the existence of stationary solutions, with diffusive kernels allowing for their existence while free molecular kernels do not. Lower and upper estimates for solutions for large cluster sizes are obtained, and it is proved that the behavior of discrete model solutions asymptotically resembles that of continuous model solutions.
ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
(2021)
Article
Physics, Fluids & Plasmas
Konstantinos Mamis, Mohammad Farazmand
Summary: The study focuses on rare transitions induced by colored noise excitation in multistable systems and proposes a simple time-delay feedback control to mitigate undesirable transitions through judicious selection of control parameters. A new nonlinear Fokker-Planck equation and a rapidly convergent iterative algorithm are used to devise a parsimonious method for selecting optimal control parameters without the need for Monte Carlo simulations. The framework accurately predicts and suppresses modal drift and tail inflation in the controlled stationary distribution, demonstrated on examples including an optical laser model perturbed by multiplicative colored noise.
Article
Physics, Mathematical
Marina A. Ferreira, Jani Lukkarinen, Alessia Nota, Juan J. L. Velazquez
Summary: In this study, the multicomponent Smoluchowski coagulation equation under non-equilibrium conditions is considered, where stationary non-equilibrium solutions are found to have a universal localization property. Specifically, the solutions asymptotically localize into a direction determined by the source or flux constraint as the cluster size increases. The assumptions on the coagulation kernel are quite general with isotropic power law bounds, and the proof relies on measure concentration estimates and control of asymptotic scaling of the solutions.
COMMUNICATIONS IN MATHEMATICAL PHYSICS
(2021)
Article
Physics, Multidisciplinary
Cem Yuce
Summary: In a non-Hermitian lattice, eigenstates exhibit localization at an open edge due to the non-Hermitian skin effect. The study of quasi-stationary solutions and zero energy modes predicts a dramatically non-perturbative transition to eigenstates. The non-topological but robust characteristics of these modes are explored in a non-Hermitian variant of the Su-Schrieffer-Heeger (SSH) model.
Article
Engineering, Chemical
Vikram Sudarshan, Warren D. Seider, Amish J. Patel, Ulku G. Oktem, Jeffrey E. Arbogast
Summary: An advisory system is developed in this paper to analyze and recognize highly unanticipated and randomly occurring abnormal events in chemical and manufacturing plants. The system utilizes novel multivariate alarm systems and response actions, along with process modeling and path-sampling techniques. This system aims to enhance the existing safety/reliability systems by suggesting appropriate actions when approaching unanticipated abnormal events.
Article
Engineering, Electrical & Electronic
Jia Ye, Gaofeng Pan, Mohamed-Slim Alouini
Summary: This paper proposes a non-stationary satellite communication system model taking into account the impact of Earth rotation, demonstrating position variations of satellite and ground user through coordinate transformations, calculating outage probability, channel capacity, and system throughput. Analyzing a simplified case and developing asymptotic expressions for OP, capacity, and throughput in high SNR regime. New definitions for throughput and OP within short communication duration are provided, along with discussions on application and future research directions. Selected numerical results validate the proposed analysis models.
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
(2021)
Review
Computer Science, Artificial Intelligence
Ying Guo, Chong Di, Shenghong Li
Summary: This paper introduces a scheme to determine the parameter searching scope for SELA and subsequently presents a series of parameter searching methods, making SELA applicable for any environment with switching non-stationary characteristics. Furthermore, a reduced parameter SELA supported by a new two-dimensional parameter searching method emerges to decrease tuning cost. Experimental simulations demonstrate that rpS-SELA outperforms others with a reduced tuning cost, minor time consumption, higher accuracy rate, and a stronger tracking ability to the environmental switches.
NEURAL COMPUTING & APPLICATIONS
(2022)
Article
Computer Science, Artificial Intelligence
Stavros Ntalampiras, Ilyas Potamitis
Summary: This paper proposes a modeling scheme for cyber physical systems operating in non-stationary, small data environments using the few-shot learning paradigm. It introduces a change detection mechanism and evaluates the efficacy of the proposed method through experiments. The paper also addresses the interpretability of AI predictions.
NEURAL COMPUTING & APPLICATIONS
(2023)
Article
Medicine, Research & Experimental
Yun Zhang, Katherine M. Weh, Connor L. Howard, Jean-Jack Riethoven, Jennifer L. Clarke, Kiran H. Lagisetty, Jules Lin, Rishindra M. Reddy, Andrew C. Chang, David G. Beer, Laura A. Kresty
Summary: This study used next-generation sequencing to analyze isoform switching events in esophageal adenocarcinoma and found their association with tissue histopathology and TP53 mutation status. It also identified certain isoforms that were significantly linked to patient survival.
MOLECULAR THERAPY-NUCLEIC ACIDS
(2022)
Article
Physics, Multidisciplinary
Jiu Zhang, Li-Fu Jin, Bo Zheng, Yan Li, Xiong-Fei Jiang
Summary: The method simplifies the calculation of time correlations for complex dynamic systems in non-stationary states, particularly in financial systems. It focuses on how past fluctuations drive future motion of dynamic variables, and the results are significant both theoretically and practically. Additionally, the method demonstrates how to construct an investment strategy based on time correlations.
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2022)
Article
Computer Science, Artificial Intelligence
Juan Zhang, Huaguang Zhang, Yuling Liang, Weizhao Song
Summary: This article focuses on the problem of adaptive bipartite output tracking for a class of heterogeneous linear multiagent systems by asynchronous edge-event-triggered communications. The fully distributed edge-event-triggered control protocol is presented, and it is proven that the bipartite output tracking problem is implemented without exhibiting Zeno behavior.
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
(2023)
Article
Automation & Control Systems
Nguyen Trung Dzung, Le Van Hien
Summary: This paper addresses the stabilization problem of two-dimensional discrete-time Roesser systems with stochastic parameters and multiplicative stochastic noises through synchronous state-feedback control. The stability and tractable controller design conditions are derived based on a 2-D mode-dependent Lyapunov function approach and validated through a numerical example with simulations.
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS
(2021)
Article
Mathematics
Sundar Shanmugasundaram
Summary: This article examines the characteristics of Poisson processes on closed convex cones in R-d, and demonstrates that under certain conditions, they can serve as examples of decomposable E-0 semigroups that do not satisfy the CCR flow.
INTERNATIONAL MATHEMATICS RESEARCH NOTICES
(2023)
Article
Meteorology & Atmospheric Sciences
Harsimrenjit Singh, Mohammad Reza Najafi, Alex J. Cannon
Summary: The study analyzed the dependence structure of temperature-precipitation compound events in Canada using different datasets and copula models. It found that bias-corrected climate simulations better represent extreme values compared to raw model outputs. Considering the dependence structure reduced joint return periods significantly, especially in winter and summer, highlighting the importance of analyzing compound extremes rather than individual temperature and precipitation extremes. The non-stationarity of the dependence structure under climate change could play a significant role in future compound extreme events.
Article
Mathematics, Applied
Tao Li, Jaume Llibre
Summary: This study investigates the effects of non-regular switching boundary conditions on piecewise polynomial perturbations of the linear center, finding that non-regular conditions typically lead to more limit cycles compared to regular conditions. Through the averaging method, an upper bound for the maximum number of limit cycles is provided, with some characteristics of systems with different degrees presented.
PHYSICA D-NONLINEAR PHENOMENA
(2021)
Article
Biology
Nils B. Becker, Matthias Guenther, Congxin Li, Adrien Jolly, Thomas Hoefer
JOURNAL OF THEORETICAL BIOLOGY
(2019)
Article
Multidisciplinary Sciences
Jenny M. Poulton, Pieter Rein ten Wolde, Thomas E. Ouldridge
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2019)
Article
Chemistry, Physical
Thomas R. Sokolowski, Joris Paijmans, Laurens Bossen, Thomas Miedema, Martijn Wehrens, Nils B. Becker, Kazunari Kaizu, Koichi Takahashi, Marileen Dogterom, Pieter Rein ten Wolde
JOURNAL OF CHEMICAL PHYSICS
(2019)
Article
Physics, Multidisciplinary
Yao Li, Pieter Rein ten Wolde
PHYSICAL REVIEW LETTERS
(2019)
Article
Physics, Multidisciplinary
Harmen Wierenga, Pieter Rein ten Wolde
PHYSICAL REVIEW LETTERS
(2020)
Article
Biology
Giulia Malaguti, Pieter Rein ten Wolde
Summary: By studying how living cells measure chemical concentrations, it was found that there are two basic design principles for optimal sensing systems, and these principles were applied to analyze the Escherichia coli chemotaxis system.
Article
Multidisciplinary Sciences
Lorenzo Olivi, Mareike Berger, Ramon N. P. Creyghton, Nicola De Franceschi, Cees Dekker, Bela M. Mulder, Nico J. Claassens, Pieter Rein ten Wolde, John van der Oost
Summary: Recent developments in synthetic biology may bring the generation of a synthetic cell within reach, with a key feature being a functional cell cycle. While progress has been made in establishing individual machineries, integrating and controlling them in a synthetic cell cycle is still a challenge to be addressed. This Perspective discusses potential paths towards achieving an integrated synthetic cell cycle.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Celine Alkemade, Harmen Wierenga, Vladimir A. Volkov, Magdalena Preciado Lopez, Anna Akhmanova, Pieter Rein ten Wolde, Marileen Dogterom, Gijsje H. Koenderink
Summary: This study reveals the mechanism of passive cross-linkers generating forces in the interaction between actin and microtubules, and experimentally verifies this process. The results demonstrate that passive cross-linkers can facilitate the transportation of actin filaments on microtubules, which is significant for cellular remodeling processes.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Multidisciplinary Sciences
Mareike Berger, Pieter Rein ten Wolde
Summary: The study investigates the replication initiation cycles of Escherichia coli at different growth rates and reveals that both the titration mechanism and the activation switch play crucial roles in driving stable replication cycles.
NATURE COMMUNICATIONS
(2022)
Article
Physics, Fluids & Plasmas
Harmen Wierenga, Pieter Rein ten Wolde
Summary: Cell polarization, which plays a crucial role in various cellular processes, requires the breaking of detailed balance and can be achieved through two mechanisms: active transport and nonequilibrium binding. Moreover, a chemical modification cycle is found to be more efficient than transport-based processes in creating a polarized distribution of membrane-bound proteins.
Article
Physics, Fluids & Plasmas
G. Malaguti, P. R. ten Wolde
Summary: Living cells can measure chemical concentrations accurately, and reducing sensing error by increasing receptor time integration is a widely used mechanism. However, how to optimally implement this mechanism given cellular resource constraints remains unknown.
Article
Physics, Fluids & Plasmas
Matthijs Meijers, Sosuke Ito, Pieter Rein ten Wolde
Summary: Recent experiments suggest that biological systems self-organize near their critical point, with information transmission efficiency depending on the dynamics of the input signal, its correlation time, and the distance to the critical point. Instantaneous mutual information varies nonmonotonically with temperature, but increases monotonically with input signal correlation time. There exists an optimal temperature and optimal input correlation time that maximize information transmission rate, due to the trade-off between message frequency, response speed, and reliability.
Article
Chemistry, Physical
Krzysztof Bielec, Krzysztof Sozanski, Marco Seynen, Zofia Dziekan, Pieter Rein ten Wolde, Robert Holyst
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2019)
Article
Chemistry, Physical
Yuval Mulla, Harmen Wierenga, Celine Alkemade, Pieter Rein ten Wolde, Gijsje H. Koenderink