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200 papers

Behavior Foundation Models (BFMs) enable scalable imitation learning (IL) by pretraining task-agnostic representations that can be rapidly adapted to new tasks. However, existing BFMs assume fixed environment dynamics, limiting their…

Machine Learning · Computer Science 2026-05-19 Rishabh Agrawal , Rahul Jain , Ashutosh Nayyar

While deep learning has achieved remarkable success across many domains, it has historically underperformed on tabular learning tasks, which remain dominated by gradient boosting decision trees. However, recent advancements are paving the…

Machine Learning · Computer Science 2025-10-31 Alan Arazi , Eilam Shapira , Roi Reichart

The motive behind this manuscript is to set up the existence and uniqueness of a positive solution for a fractional thermostat model for certain values of the parameter $\lambda>0$. We accomplish sufficient conditions for the existence of a…

Functional Analysis · Mathematics 2017-10-05 Hiranmoy Garai , Lakshmi Kanta Dey , Ankush Chanda

Recently in joint work with E. Sert, we proved sharp boundedness results on discrete fractional integral operators along binary quadratic forms. Present work vastly enhances the scope of those results by extending boundedness to bivariate…

Classical Analysis and ODEs · Mathematics 2020-12-22 Faruk Temur

We study analytically and numerically a bistable reaction-diffusion equation on an arbitrary finite network. We prove that stable fixed points (multi-fronts) exist for any configuration as long as the diffusion is small. We also study fold…

Adaptation and Self-Organizing Systems · Physics 2015-06-22 J. -G. Caputo , G. Cruz-Pacheco , P. Panayotaros

In recent years, a variety of gradient-based first-order methods have been developed to solve bi-level optimization problems for learning applications. However, theoretical guarantees of these existing approaches heavily rely on the…

Machine Learning · Computer Science 2020-07-03 Risheng Liu , Pan Mu , Xiaoming Yuan , Shangzhi Zeng , Jin Zhang

In pattern-forming systems, localized patterns are states of intermediate complexity between fully extended ordered patterns and completely irregular patterns. They are formed by stationary fronts enclosing an ordered pattern inside an…

Pattern Formation and Solitons · Physics 2013-08-06 G. Kozyreff , S. J. Chapman

This paper aims to extend the BML method proposed in Wang et al. [22] to make it applicable to more general coupled nonlinear FBSDEs. We interpret BML from the fixed-point iteration perspective and show that optimizing BML is equivalent to…

Optimization and Control · Mathematics 2023-11-28 Yutian Wang , Yuan-Hua Ni , Xun Li

We apply the BFFT formalism to a prototypical second-class system, aiming to convert its constraints from second- to first-class. The proposed system admits a consistent initial set of second-class constraints and an open potential function…

High Energy Physics - Theory · Physics 2021-03-10 Vipul Kumar Pandey , Ronaldo Thibes

The aim of this paper is to provide an analytical model for the formation of stable structures (cosmological or astrophysical), where stability is obtained through the tangential pressure countering the effect of gravity. We utilize the…

General Relativity and Quantum Cosmology · Physics 2025-11-20 Jan J. Ostrowski

This work deals with the presence of topological structures in models of two real scalar fields in the two-dimensional spacetime. The subject concerns the presence of a geometric constriction, which appears with a modification of the…

High Energy Physics - Theory · Physics 2024-03-11 D. Bazeia , M. A. Feitosa , R. Menezes , G. S. Santiago

In this paper, we define a general class of abstract aerial robotic systems named Laterally Bounded Force (LBF) vehicles, in which most of the control authority is expressed along a principal thrust direction, while in the lateral…

Optimization and Control · Mathematics 2017-12-22 Antonio Franchi , Ruggero Carli , Davide Bicego , Markus Ryll

When the steady states at infinity become unstable through a pattern forming bifurcation, a travelling wave may bifurcate into a modulated front which is time-periodic in a moving frame. This scenario has been studied by B.Sandstede and…

Analysis of PDEs · Mathematics 2007-05-23 Thierry Gallay , Guido Schneider , Hannes Uecker

In this work, we report a stable ordered structure -- the cubic FDDD phase -- that has not previously been identified in the Landau-Brazovskii (LB) model, a fundamental and important model for studying crystals and their phase transitions.…

Numerical Analysis · Mathematics 2026-05-12 Chenglong Bao , Kai Deng , Kai Jiang , Juan Zhang

Given the ever increasing bandwidth of the visual information available to many intelligent systems, it is becoming essential to endow them with a sense of what is worthwhile their attention and what can be safely disregarded. This article…

Computer Vision and Pattern Recognition · Computer Science 2011-08-16 Diego Rother , Simon Schütz , René Vidal

A symmetric bilinear form on a certain subspace $\widehat{\mathbb T}^{\bf b}$ of a completion of the Fock space $\mathbb T^{{\bf b}}$ is defined. The canonical and dual canonical bases of $\widehat{\mathbb T}^{\bf b}$ are dual with respect…

Quantum Algebra · Mathematics 2016-06-16 Bintao Cao , Ngau Lam

The quantization of a vector model presenting spontaneous breaking of Lorentz symmetry in flat Minkowski spacetime is discussed. The Stueckelberg trick of introducing an auxiliary field along with a local symmetry in the initial Lagrangian…

High Energy Physics - Theory · Physics 2015-06-23 Carlos Hernaski

This study provides an abstract framework to analyze mixed formulations in viscoelasticity, in the classic saddle point form. Standard hypothesis for mixed methods are adapted to the Volterra type equations in order to obtain stability of…

Numerical Analysis · Mathematics 2021-01-12 Erwin Hernández , Felipe Lepe , Jesus Vellojin

This paper focuses on the question of how unconditional stability can be achieved via multistep ImEx schemes, in practice problems where both the implicit and explicit terms are allowed to be stiff. For a class of new ImEx multistep schemes…

Numerical Analysis · Mathematics 2018-10-02 Benjamin Seibold , David Shirokoff , Dong Zhou

We introduce a relaxed inertial forward-backward-forward (RIFBF) splitting algorithm for approaching the set of zeros of the sum of a maximally monotone operator and a single-valued monotone and Lipschitz continuous operator. This work aims…

Optimization and Control · Mathematics 2020-03-24 Radu Ioan Bot , Michael Sedlmayer , Phan Tu Vuong