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Our primary aim is to develop a theory of equivariant genera for stably complex manifolds equipped with compatible actions of a torus T^k. In the case of omnioriented quasitoric manifolds, we present computations that depend only on their…

Algebraic Topology · Mathematics 2010-10-22 Victor M. Buchstaber , Taras E. Panov , Nigel Ray

Tensor product function (TPF) approximations have been widely adopted in solving high-dimensional problems, such as partial differential equations and eigenvalue problems, achieving desirable accuracy with computational overhead that scales…

Numerical Analysis · Mathematics 2026-04-17 Yuyang Wang , Yukuan Hu , Xin Liu

In this paper we will discuss gauged linear sigma model descriptions of toric stacks. Toric stacks have a simple description in terms of (symplectic, GIT) ${\bf C}^{\times}$ quotients of homogeneous coordinates, in exactly the same form as…

High Energy Physics - Theory · Physics 2016-10-04 T. Pantev , E. Sharpe

We use factorizable finite tensor categories, and specifically the representation categories of factorizable ribbon Hopf algebras H, as a laboratory for exploring bulk correlation functions in local logarithmic conformal field theories. For…

High Energy Physics - Theory · Physics 2015-06-15 Jurgen Fuchs , Christoph Schweigert , Carl Stigner

A combinatorial construction is used to analyze the properties of polyhedral products and generalized moment-angle complexes with respect to certain operations on CW pairs including exponentiation. This allows for the construction of…

Algebraic Topology · Mathematics 2015-03-17 A. Bahri , M. Bendersky , F. R. Cohen , S. Gitler

This paper introduces Multidimensional Task Learning (MTL), a unified mathematical framework based on Generalized Einstein MLPs (GE-MLPs) that operate directly on tensors via the Einstein product. We argue that current computer vision task…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Alaa El Ichi , Khalide Jbilou

We compute the ring structure of Floer cohomology groups of Lagrangian torus fibers in some toric Fano manifolds continuing the study of \cite{CO}. Related $\AI$-formulas hold for transversal choice of chains. Two different computations are…

Symplectic Geometry · Mathematics 2016-09-07 Cheol-Hyun Cho

Metal-organic frameworks (MOFs) are an incredibly diverse group of highly porous hybrid materials, which are interesting for a wide range of possible applications. For a reliable description of many of their properties accurate…

Materials Science · Physics 2024-11-26 Sandro Wieser , Egbert Zojer

Feature selection by maximizing high-order mutual information between the selected feature vector and a target variable is the gold standard in terms of selecting the best subset of relevant features that maximizes the performance of…

Machine Learning · Computer Science 2022-10-19 Magda Amiridi , Nikos Kargas , Nicholas D. Sidiropoulos

Time series forecasting (TSF) has long been a crucial task in both industry and daily life. Most classical statistical models may have certain limitations when applied to practical scenarios in fields such as energy, healthcare, traffic,…

Machine Learning · Computer Science 2025-03-14 Xiangjie Kong , Zhenghao Chen , Weiyao Liu , Kaili Ning , Lechao Zhang , Syauqie Muhammad Marier , Yichen Liu , Yuhao Chen , Feng Xia

Characteristic imsets are 0-1 vectors which correspond to Markov equivalence classes of directed acyclic graphs. The study of their convex hull, named the characteristic imset polytope, has led to new and interesting geometric perspectives…

Statistics Theory · Mathematics 2024-05-22 Benjamin Hollering , Joseph Johnson , Irem Portakal , Liam Solus

Despite deep learning models running well-defined mathematical functions, we lack a formal mathematical framework for describing model architectures. Ad-hoc notation, diagrams, and pseudocode poorly handle nonlinear broadcasting and the…

Machine Learning · Computer Science 2026-04-21 Vincent Abbott , Gioele Zardini

We study tropicalization of symplectic flag varieties with respect to the Pl\"ucker embedding. We identify a particular maximal prime cone in this tropicalization by explicitly giving its facets. For every interior point of this maximal…

Algebraic Geometry · Mathematics 2024-07-02 George Balla , Xin Fang

We propose a method to compute the $R$-matrix $R$ on a tensor product of Fock modules from coproduct relations in a Hopf algebra. We apply this method to the quantum toroidal algebra $U_{q,t}(\overset{..}{gl}_1)$ for which $R$ is currently…

Mathematical Physics · Physics 2021-10-01 Alexandr Garbali , Jan de Gier

Linear exact modeling is a problem coming from system identification: Given a set of observed trajectories, the goal is find a model (usually, a system of partial differential and/or difference equations) that explains the data as precisely…

Optimization and Control · Mathematics 2011-10-26 Kristina Schindelar , Viktor Levandovskyy , Eva Zerz

Weighted Finite State Transducers (WFSTs) are versatile data structures that can model a great number of problems, ranging from Automatic Speech Recognition to DNA sequencing. Traditional computer science algorithms are employed when…

Rings and Algebras · Mathematics 2018-11-05 Emmanouil Theodosis , Petros Maragos

Embedding based models have been the state of the art in collaborative filtering for over a decade. Traditionally, the dot product or higher order equivalents have been used to combine two or more embeddings, e.g., most notably in matrix…

Information Retrieval · Computer Science 2020-06-03 Steffen Rendle , Walid Krichene , Li Zhang , John Anderson

We present an algebraic method to study four-dimensional toric varieties by lifting matrix equations from the special linear group ${\rm SL}_2({\mathbb Z})$ to its preimage in the universal cover of ${\rm SL}_2({\mathbb R})$. With this…

Symplectic Geometry · Mathematics 2018-02-23 Daniel M. Kane , Joseph Palmer , Álvaro Pelayo

Toric topology emerged in the end of the 1990s on the borders of equivariant topology, algebraic and symplectic geometry, combinatorics and commutative algebra. It has quickly grown up into a very active area with many interdisciplinary…

Algebraic Topology · Mathematics 2015-06-09 Victor Buchstaber , Taras Panov

This paper deals with shape irregularity issues in discrete topology optimization algorithms whereby the design is created using the automated distribution of material in the design region. Graph theory is employed to derive appropriate…

Information Theory · Computer Science 2025-03-14 Vojtech Neuman , Miloslav Capek , Lukas Jelinek