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We develop a versatile deep neural network architecture, called Lyapunov-Net, to approximate Lyapunov functions of dynamical systems in high dimensions. Lyapunov-Net guarantees positive definiteness, and thus it can be easily trained to…

机器学习 · 计算机科学 2022-08-19 Nathan Gaby , Fumin Zhang , Xiaojing Ye

The sensor network localization (SNL) problem is to reconstruct the positions of all the sensors in a network with the given distance between pairs of sensors and within the radio range between them. It is proved that the computational…

最优化与控制 · 数学 2017-10-10 Xiaojun Zhou

This paper proposes a Mixture Density Network specifically designed for forecasting time series that exhibit locally explosive behavior. By incorporating skewed t-distributions as mixture components, our approach offers enhanced flexibility…

统计方法学 · 统计学 2026-02-11 Elena Dumitrescu , Julien Peignon , Arthur Thomas

With the growth of deep neural networks (DNN), the number of DNN parameters has drastically increased. This makes DNN models hard to be deployed on resource-limited embedded systems. To alleviate this problem, dynamic pruning methods have…

机器学习 · 计算机科学 2023-08-02 Jangho Kim , Jayeon Yoo , Yeji Song , KiYoon Yoo , Nojun Kwak

We present a deep learning approximation, stochastic optimization based, method for wave kinetic equations. To build confidence in our approach, we apply the method to a Smoluchowski coagulation equation with multiplicative kernel for which…

数值分析 · 数学 2022-09-27 Steven Walton , Minh-Binh Tran , Alain Bensoussan

Randomized numerical linear algebra is proved to bridge theoretical advancements to offer scalable solutions for approximating tensor decomposition. This paper introduces fast randomized algorithms for solving the fixed Tucker-rank problem…

数值分析 · 数学 2025-06-06 Maolin Che , Yimin Wei , Chong Wu , Hong Yan

A classic approach for solving differential equations with neural networks builds upon neural forms, which employ the differential equation with a discretisation of the solution domain. Making use of neural forms for time-dependent…

神经与进化计算 · 计算机科学 2022-09-02 Toni Schneidereit , Michael Breuß

In this paper, we propose an adaptive group Lasso deep neural network for high-dimensional function approximation where input data are generated from a dynamical system and the target function depends on few active variables or few linear…

机器学习 · 计算机科学 2021-12-06 Lam Si Tung Ho , Nicholas Richardson , Giang Tran

In this paper, we study the distributionally robust joint chance constrained Markov decision process. {Utilizing the logarithmic transformation technique,} we derive its deterministic reformulation with bi-convex terms under the…

最优化与控制 · 数学 2024-01-03 Tian Xia , Jia Liu , Zhiping Chen

Physics-informed neural networks are developed to characterize the state of dynamical systems in a random environment. The neural network approximates the probability density function (pdf) or the characteristic function (chf) of the state…

数值分析 · 数学 2020-04-21 Wayne Isaac Tan Uy , Mircea Grigoriu

Training deep models for time series forecasting is a critical task with an inherent challenge of time complexity. While current methods generally ensure linear time complexity, our observations on temporal redundancy show that high-level…

机器学习 · 计算机科学 2024-10-04 Jiang You , Arben Cela , René Natowicz , Jacob Ouanounou , Patrick Siarry

We propose a supervised deep learning (DL) approach to perform adaptive zoning on time dependent partial differential equations that model the propagation of 1D shock waves in a compressible medium. We train a neural network on a dataset…

数值分析 · 数学 2023-01-31 Massimiliano Lupo Pasini , Luka Malenica , Kwitae Chong , Stuart Slattery

Phase retrieval is an ill-posed inverse problem in which classical and deep learning-based methods struggle to jointly achieve measurement fidelity and perceptual realism. We propose a novel framework for phase retrieval that leverages…

图像与视频处理 · 电气工程与系统科学 2026-01-16 Mehmet Onurcan Kaya , Figen S. Oktem

The simulation of complex stochastic network dynamics arising, for instance, from models of coupled biomolecular processes remains computationally challenging. Often, the necessity to scan a models' dynamics over a large parameter space…

定量方法 · 定量生物学 2013-03-14 Tiago Ramalho , Marco Selig , Ulrich Gerland , Torsten A. Enßlin

Deep learning techniques have shown promise in many domain applications. This paper proposes a novel deep reservoir computing framework, termed deep recurrent stochastic configuration network (DeepRSCN) for modelling nonlinear dynamic…

机器学习 · 计算机科学 2024-10-29 Gang Dang , Dianhui Wang

Neural Stochastic Differential Equations (NSDEs) model the drift and diffusion functions of a stochastic process as neural networks. While NSDEs are known to make accurate predictions, their uncertainty quantification properties have been…

机器学习 · 计算机科学 2022-09-13 Andreas Look , Melih Kandemir , Barbara Rakitsch , Jan Peters

We build on the dynamical systems approach to deep learning, where deep residual networks are idealized as continuous-time dynamical systems, from the approximation perspective. In particular, we establish general sufficient conditions for…

机器学习 · 计算机科学 2020-06-09 Qianxiao Li , Ting Lin , Zuowei Shen

Climate models (CM) are used to evaluate the impact of climate change on the risk of floods and strong precipitation events. However, these numerical simulators have difficulties representing precipitation events accurately, mainly due to…

计算工程、金融与科学 · 计算机科学 2021-02-15 Rilwan Adewoyin , Peter Dueben , Peter Watson , Yulan He , Ritabrata Dutta

Regression with non-Euclidean responses -- e.g., probability distributions, networks, symmetric positive-definite matrices, and compositions -- has become increasingly important in modern applications. In this paper, we propose deep…

机器学习 · 统计学 2025-10-21 Kyum Kim , Yaqing Chen , Paromita Dubey

This paper develops algorithms for high-dimensional stochastic control problems based on deep learning and dynamic programming. Unlike classical approximate dynamic programming approaches, we first approximate the optimal policy by means of…

概率论 · 数学 2021-09-21 Côme Huré , Huyên Pham , Achref Bachouch , Nicolas Langrené