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Applications of harmonic analysis on finite groups were recently introduced to measure partition problems, with a variety of equipartition types by convex fundamental domains obtained as the vanishing of prescribed Fourier transforms.…

Metric Geometry · Mathematics 2015-11-10 Steven Simon

In optimal transport, quadratic regularization is an alternative to entropic regularization when sparse couplings or small regularization parameters are desired. Quadratic regularization penalizes transport couplings by the squared $L^2$…

Optimization and Control · Mathematics 2026-05-20 Alberto González-Sanz , Marcel Nutz , Andrés Riveros Valdevenito

Suppose $M_{1}$ and $M_{2}$ are two special Lagrangian submanifolds of $\Rtn$ with boundary that intersect transversally at one point $p$. The set $M_{1} \cup M_{2}$ is a singular special Lagrangian variety with an isolated singularity at…

Differential Geometry · Mathematics 2007-05-23 Adrian Butscher

The logarithmic connections studied in the paper are direct images of regular connections on line bundles over genus-2 double covers of the elliptic curve. We give an explicit parametrization of all such connections, determine their…

Algebraic Geometry · Mathematics 2008-04-24 Francois-Xavier Machu

Automatic methods for reconstructing buildings from airborne LiDAR point clouds focus on producing accurate 3D models in a fast and scalable manner, but they overlook the problem of delivering simple and regularized models to practitioners.…

Computational Geometry · Computer Science 2024-04-15 Jean-Philippe Bauchet , Raphael Sulzer , Florent Lafarge , Yuliya Tarabalka

In this article we prove in the main theorem that, there is a bijection between the isomorphism classes of a certain type of real hyperplane arrangements on the one hand, and the antipodal pairs of convex cones of an associated…

Combinatorics · Mathematics 2021-10-29 C P Anil Kumar

We investigate the issue of regularization/renormalization in the presence of a nontrivial background in the case of 1+1-(supersymmetric) solitons. In particular we study and compare the commonly employed regularization methods (mode-…

High Energy Physics - Theory · Physics 2007-05-23 Robert Wimmer

We examine the correlations between rings in random network glasses in two dimensions as a function of their separation. Initially, we use the topological separation (measured by the number of intervening rings), but this leads to…

Soft Condensed Matter · Physics 2017-11-15 Mahdi Sadjadi , M. F. Thorpe

Let us have in S^2, R^2 or H^2 a pair of convex bodies, for S^2 different from S^2, such that the intersections of any congruent copies of them are centrally symmetric. Then our bodies are congruent circles. If the intersections of any…

Metric Geometry · Mathematics 2024-10-03 Jesús Jerónimo-Castro , Endre Makai

Recent advances show that two-dimensional linear discriminant analysis (2DLDA) is a successful matrix based dimensionality reduction method. However, 2DLDA may encounter the singularity issue theoretically and the sensitivity to outliers.…

Machine Learning · Computer Science 2018-10-26 Chun-Na Li , Yuan-Hai Shao , Wei-Jie Chen , Zhen Wang , Nai-Yang Deng

We investigate a holographic realization in Type-IIB string theory of pure Chern-Simons theories, and focus on the level/rank dualities that they enjoy. The level/rank duality is established between the boundary theory, engineered utilizing…

High Energy Physics - Theory · Physics 2022-08-24 Riccardo Argurio , Alessio Caddeo

We study flips in hypertriangulations of planar points sets. Here a level-$k$ hypertriangulation of $n$ points in the planes is a subdivision induced by the projection of a $k$-hypersimplex, which is the convex hull of the barycenters of…

Combinatorics · Mathematics 2025-09-29 Herbert Edelsbrunner , Alexey Garber , Mohadese Ghafari , Teresa Heiss , Morteza Saghafian

We give a closed formula for the dimension of all linear systems in $\mathbb{P}^n$ with assigned multiplicity at arbitrary collections of points lying on a rational normal curve of degree $n$. In particular we give a purely geometric…

Algebraic Geometry · Mathematics 2022-05-10 Antonio Laface , Elisa Postinghel , Luis José Santana Sánchez

The Lie linearizability criteria are extended to complex functions for complex ordinary differential equations. The linearizability of complex ordinary differential equations is used to study the linearizability of corresponding systems of…

Classical Analysis and ODEs · Mathematics 2011-07-25 S. Ali , F. M. Mahomed , Asghar Qadir

Thepaperprovesconvergenceofone-levelandmultilevelunsymmetriccollocationforsecondorderelliptic boundary value problems on the bounded domains. By using Schaback's linear discretization theory,L2 errors are obtained based on the kernel-based…

Numerical Analysis · Mathematics 2023-06-16 Zhiyong Liu , Qiuyan Xu

We investigate the influence of intense, elliptically polarized driving fields on high-order harmonic spectra from aligned diatomic molecules. We derive a generalized two-center interference condition for elliptically polarized fields,…

Atomic Physics · Physics 2015-06-16 T. Das , B. B. Augstein , C. Figueira de Morisson Faria

Clustered solutions in oscillator networks provide an important insight into how a system might diversify from a synchronous solution into spatiotemporal complex solutions. They can therefore form a link between fully synchronized and…

Pattern Formation and Solitons · Physics 2025-03-19 Nicolas Thomé , Matthias Wolfrum , Katharina Krischer

We discuss the relation between the graded stable derived category of a hypersurface and that of its hyperplane section. The motivation comes from the compatibility between homological mirror symmetry for the Calabi-Yau manifold defined by…

Algebraic Geometry · Mathematics 2012-07-09 Kazushi Ueda

Observational data usually comes with a multimodal nature, which means that it can be naturally represented by a multi-layer graph whose layers share the same set of vertices (users) with different edges (pairwise relationships). In this…

Machine Learning · Computer Science 2015-08-31 Xiaowen Dong , Pascal Frossard , Pierre Vandergheynst , Nikolai Nefedov

A topological hyperplane is a subspace of R^n (or a homeomorph of it) that is topologically equivalent to an ordinary straight hyperplane. An arrangement of topological hyperplanes in R^n is a finite set H such that k topological…

Combinatorics · Mathematics 2010-01-24 David Forge , Thomas Zaslavsky