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In this work, we present a per-instant pose optimization method that can generate configurations that achieve specified pose or motion objectives as best as possible over a sequence of solutions, while also simultaneously avoiding…

Robotics · Computer Science 2021-03-01 Daniel Rakita , Haochen Shi , Bilge Mutlu , Michael Gleicher

In this paper kink scattering processes are investigated in the Montonen-Sarker-Trullinger-Bishop model. The MSTB model is in fact a one-parametric family of relativistic scalar field theories living in a one-time one-space Minkowski…

High Energy Physics - Theory · Physics 2019-06-25 A. Alonso-Izquierdo

Recognizing traversable terrain from 3D point cloud data is critical, as it directly impacts the performance of autonomous navigation in off-road environments. However, existing segmentation algorithms often struggle with challenges related…

We explore the use of higher-order tail area approximations for Bayesian simulation. These approximations give rise to an alternative simulation scheme to MCMC for Bayesian computation of marginal posterior distributions for a scalar…

Computation · Statistics 2014-05-23 Erlis Ruli , Nicola Sartori , Laura Ventura

Robots benefit from high-fidelity reconstructions of their environment, which should be geometrically accurate and photorealistic to support downstream tasks. While this can be achieved by building distance fields from range sensors and…

Robotics · Computer Science 2025-09-10 Yue Pan , Xingguang Zhong , Liren Jin , Louis Wiesmann , Marija Popović , Jens Behley , Cyrill Stachniss

Robots rely on motion planning to navigate safely and efficiently while performing various tasks. In this paper, we investigate motion planning through Bayesian inference, where motion plans are inferred based on planning objectives and…

Robotics · Computer Science 2025-06-02 Ali Vaziri , Iman Askari , Huazhen Fang

We address the classical knapsack problem and a variant in which an upper bound is imposed on the number of items that can be selected. We show that appropriate combinations of rounding techniques yield novel and powerful ways of rounding.…

Computational Complexity · Computer Science 2007-05-23 Monaldo Mastrolilli , Marcus Hutter

We study kink-antikink collisions in the one-dimensional non-integrable scalar phi^6 model. Although the single-kink solutions for this model do not possess an internal vibrational mode, our simulations reveal a resonant scattering…

High Energy Physics - Theory · Physics 2013-05-29 Patrick Dorey , Kieran Mersh , Tomasz Romanczukiewicz , Yasha Shnir

We present a computational analysis of the long-range interactions of solitary waves in higher-order field theories. Our vehicle of choice is the $\varphi^8$ field theory, although we explore similar issues in example $\varphi^{10}$ and…

High Energy Physics - Theory · Physics 2019-01-16 Ivan C. Christov , Robert J. Decker , A. Demirkaya , Vakhid A. Gani , P. G. Kevrekidis , R. V. Radomskiy

High-dimensional interpolation problems appear in various applications of uncertainty quantification, stochastic optimization and machine learning. Such problems are computationally expensive and request the use of adaptive grid generation…

Numerical Analysis · Mathematics 2025-05-26 Hendrik Wilka , Jens Lang

Long-tailed problems in healthcare emerge from data imbalance due to variability in the prevalence and representation of different medical conditions, warranting the requirement of precise and dependable classification methods. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Pankhi Kashyap , Pavni Tandon , Sunny Gupta , Abhishek Tiwari , Ritwik Kulkarni , Kshitij Sharad Jadhav

Although linear regression models are fundamental tools in statistical science, the estimation results can be sensitive to outliers. While several robust methods have been proposed in frequentist frameworks, statistical inference is not…

Methodology · Statistics 2020-07-15 Shintaro Hashimoto , Shonosuke Sugasawa

This work addresses the two great challenges of the spark plasma sintering (SPS) process: the sintering of complex shapes and the simultaneous production of multiple parts. A new controllable interface method is employed to concurrently…

Materials Science · Physics 2020-11-24 Charles Manière , Elisa Torresani , Eugene A. Olevsky

We introduce a new methodology dubbed ``safe peeling'' to accelerate the resolution of L0-regularized least-squares problems via a Branch-and-Bound (BnB) algorithm. Our procedure enables to tighten the convex relaxation considered at each…

Machine Learning · Computer Science 2023-06-07 Théo Guyard , Gilles Monnoyer , Clément Elvira , Cédric Herzet

Bayesian Physics Informed Neural Networks (B-PINNs) have gained significant attention for inferring physical parameters and learning the forward solutions for problems based on partial differential equations. However, the overparameterized…

Machine Learning · Statistics 2023-03-15 Andrew Pensoneault , Xueyu Zhu

We study various properties of topological solitons (kinks) of a field-theoretic model with a polynomial potential of the twelfth degree. This model is remarkable in that it has several topological sectors, in which kinks have different…

Pattern Formation and Solitons · Physics 2025-08-20 Aliakbar Moradi Marjaneh , Vakhid A. Gani , Azam Ghaani , Kurosh Javidan , Alexander A. Malnev , Oleg V. Nagornov

In this work we present a new class of real scalar field models admitting strongly interactive kink solutions. Instead of the usual exponential asymptotic behavior these topological solutions exhibit a power-law one. We investigate the…

High Energy Physics - Theory · Physics 2012-08-24 A. R. Gomes , R. Menezes , J. C. R. E. Oliveira

We consider a system consisting of a sequential composition of Mealy machines, called head and tail. We study two problems related to these systems. In the first problem, models of both head and tail components are available, and the aim is…

Formal Languages and Automata Theory · Computer Science 2021-10-08 Alberto Larrauri , Roderick Bloem

This work studies applications and generalizations of a simple estimation technique that provides exponential concentration under heavy-tailed distributions, assuming only bounded low-order moments. We show that the technique can be used…

Machine Learning · Computer Science 2016-04-19 Daniel Hsu , Sivan Sabato

We propose a fast and robust method to estimate the ground surface from LIDAR measurements on an automated vehicle. The ground surface is modeled as a UBS which is robust towards varying measurement densities and with a single parameter…

Robotics · Computer Science 2022-03-03 Sascha Wirges , Kevin Rösch , Frank Bieder , Christoph Stiller