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We present a method of parameter estimation for large class of nonlinear systems, namely those in which the state consists of output derivatives and the flow is linear in the parameter. The method, which solves for the unknown parameter by…

Systems and Control · Electrical Eng. & Systems 2024-07-16 Simon Kuang , Xinfan Lin

In a previous paper, we showed that a compartmental stochastic process model of SARS-CoV-2 transmission could be fit to time series data and then reinterpreted as a collection of interacting branching processes drawn from a dynamic degree…

Populations and Evolution · Quantitative Biology 2023-11-29 Niket Thakkar , Mike Famulare

As an alternative but unified and more fundamental description for quantum physics, Feynman path integrals generalize the classical action principle to a probabilistic perspective, under which the physical observables' estimation translates…

High Energy Physics - Lattice · Physics 2023-03-03 Shile Chen , Oleh Savchuk , Shiqi Zheng , Baoyi Chen , Horst Stoecker , Lingxiao Wang , Kai Zhou

3D open-world classification is a challenging yet essential task in dynamic and unstructured real-world scenarios, requiring both open-category and open-pose recognition. To address these challenges, recent wisdom often takes sophisticated…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Xinzhe Xia , Weiguang Zhao , Yuyao Yan , Guanyu Yang , Rui Zhang , Kaizhu Huang , Xi Yang

We propose a deep generative approach to sampling from a conditional distribution based on a unified formulation of conditional distribution and generalized nonparametric regression function using the noise-outsourcing lemma. The proposed…

Statistics Theory · Mathematics 2021-10-22 Xingyu Zhou , Yuling Jiao , Jin Liu , Jian Huang

We report the results of a Monte Carlo study of the continuum limit of the two dimensional O(3) non-linear $\sigma$ model. The notable finding is that it agrees very well with both the prediction inspired by Zamolodchikovs' S-matrix ansatz…

High Energy Physics - Lattice · Physics 2009-10-30 Adrian Patrascioiu , Erhard Seiler

The present paper aims to demonstrate the usage of Convolutional Neural Networks as a generative model for stochastic processes, enabling researchers from a wide range of fields (such as quantitative finance and physics) to develop a…

Machine Learning · Statistics 2018-01-12 Fernando Fernandes Neto

Data assimilation plays a crucial role in numerical modeling, enabling the integration of real-world observations into mathematical models to enhance the accuracy and predictive capabilities of simulations. This approach is widely applied…

Numerical Analysis · Mathematics 2024-11-08 Alexander Lobbe , Dan Crisan , Oana Lang

We introduce a field-theoretic approach for describing the critical behavior of nonextensive systems, systems displaying global correlations among their degrees of freedom, encoded by the nonextensive parameter $q$. As some applications, we…

High Energy Physics - Theory · Physics 2022-05-12 P. R. S. Carvalho

In this paper, we point out connections between certain types of indecomposable representations of $sl(2)$ and generalizations of well-known orthogonal polynomials. Those representations take the form of infinite dimensional chains of…

Mathematical Physics · Physics 2025-05-26 Sébastien Bertrand , Ian Marquette , Willard Miller , Sarah Post

A discrete non-linear $\sigma$-model is obtained by triangulate both the space-time $M^{d+1}$ and the target space $K$. If the path integral is given by the sum of all the complex homomorphisms $\phi: M^{d+1} \to K$, with an partition…

Strongly Correlated Electrons · Physics 2019-07-17 Chenchang Zhu , Tian Lan , Xiao-Gang Wen

Accuracy of a simulation is strongly depend on the grid quality. Here, quality means orthogonality at the boundaries and quasi-orthogonality within the critical regions, smoothness, bounded aspect ratios, solution adaptive behaviour, etc.…

Numerical Analysis · Mathematics 2007-05-23 sanjay kumar khattri

The established technique of eliminating upper or lower parameters in a general hypergeometric series is profitably exploited to create pathways among confluent hypergeometric functions, binomial functions, Bessel functions, and exponential…

Statistical Mechanics · Physics 2010-10-25 A. M. Mathai , H. J. Haubold , C. Tsallis

The process gamma* gamma -> sigma is investigated in the framework of the SU(2)xSU(2) chiral NJL model. The form factor of the process is derived for arbitrary virtuality of gamma* in the Euclidean kinematic domain. The asymptotic behaviour…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. K. Volkov , A. E. Radzhabov , V. L. Yudichev

Mathematical modeling of production systems is the foundation of all model-based approaches for production system analysis, design, improvement, and control. To construct such a model for the stochastic process of the production system more…

Systems and Control · Electrical Eng. & Systems 2024-05-22 Yuting Sun , Liang Zhang

Generative models have shown great promise as trajectory planners, given their affinity to modeling complex distributions and guidable inference process. Previous works have successfully applied these in the context of robotic manipulation…

Robotics · Computer Science 2025-06-04 Reece O'Mahoney , Wanming Yu , Ioannis Havoutis

We provide formulas for generating functions of many types of paths in various rooted tree structures. We compute the $k$th moment of the generating functions for various types of vertical paths. In two specific familes of trees we find…

Combinatorics · Mathematics 2018-10-03 Keith Copenhaver

We present an expression for the generating function of correlation functions of the sine-Gordon integrable field theory on a cylinder, with compact space. This is derived from the Destri-De Vega integrable lattice regularization of the…

High Energy Physics - Theory · Physics 2012-11-06 Francesco Buccheri

The method proposed by Pratt to derive recursion relations for systems of degenerate fermions [Phys. Rev. Lett. 84, 4255 (2000), arXiv:nucl-th/9905055] relies on diagrammatic techniques. This efficient formalism assumes no explicit two-body…

Atomic Physics · Physics 2015-05-28 Jean-Christophe Pain , Franck Gilleron , Quentin Porcherot

We study the polyregular string-to-string functions, which are certain functions of polynomial output size that can be described using automata and logic. We describe a system of combinators that generates exactly these functions. Unlike…

Logic in Computer Science · Computer Science 2023-04-27 Mikołaj Bojańczyk