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We establish Monod's isomorphism conjecture in degree-three bounded cohomology for every complex simple Lie group of classical type. Our main ingredient is a bounded-cohomological stability theorem with an optimal range in degree three that…

Group Theory · Mathematics 2023-10-10 Carlos De la Cruz Mengual

We establish the existence of loop type subcontinua of nonnegative solutions for a class of concave-convex type elliptic equations with indefinite weights, under Dirichlet and Neumann boundary conditions. Our approach depends on local and…

Analysis of PDEs · Mathematics 2024-01-22 Uriel Kaufmann , Humberto Ramos Quoirin , Kenichiro Umezu

The ability to automatically generalise (interactive) proofs and use such generalisations to discharge related conjectures is a very hard problem which remains unsolved. Here, we develop a notion of goal types to capture key properties of…

Logic in Computer Science · Computer Science 2013-06-11 Gudmund Grov , Ewen Maclean

The effectiveness of Symmetric Positive Definite (SPD) manifold features has been proven in various computer vision tasks. However, due to the non-Euclidean geometry of these features, existing Euclidean machineries cannot be directly used.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Kun Zhao , Arnold Wiliem , Shaokang Chen , Brian C. Lovell

The main result is a wall crossing formula for central projections defined on submanifolds of a real projective space. Our formula gives the jump of the degree of such a projection when the center of the projection varies. The fact that the…

Algebraic Geometry · Mathematics 2014-04-04 Christian Okonek , Andrei Teleman

This paper studies large-scale optimization problems on Riemannian manifolds whose objective function is a finite sum of negative log-probability losses. Such problems arise in various machine learning and signal processing applications. By…

Optimization and Control · Mathematics 2022-07-18 Jiang Hu , Ruicheng Ao , Anthony Man-Cho So , Minghan Yang , Zaiwen Wen

A general nonautonomous Mackey-Glass equation for the regulation of the hematopoiesis with several non-constant delays is studied. Using topological degree methods, we prove the existence and multiplicity of positive periodic solutions.

Classical Analysis and ODEs · Mathematics 2015-03-16 Pablo Amster , Rocío Balderrama

The Perspective-Three-Point Problem (P3P) is solved by first focusing on determining the directions of the lines through pairs of control points, relative to the camera, rather than the distances from the camera to the control points. The…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Michael Q. Rieck

We present a new approach for search of coexisting classes of localised modes admitted by the repulsive (defocusing) scalar or vector nonlinear Schr\"odinger-type equations. The approach is based on the observation that generic solutions of…

Pattern Formation and Solitons · Physics 2019-04-10 G. L. Alfimov , I. V. Barashenkov , A. P. Fedotov , V. V. Smirnov , D. A. Zezyulin

This paper is the initial part of a comprehensive study of spacetimes that admit the canonical forms of Killing tensor in General Relativity. The general scope of the study is to derive either new exact solutions of Einstein's equations…

General Relativity and Quantum Cosmology · Physics 2024-11-05 Dionysios Kokkinos , Taxiarchis Papakostas

Decidability of definitional equality and conversion of terms into canonical form play a central role in the meta-theory of a type-theoretic logical framework. Most studies of definitional equality are based on a confluent,…

Logic in Computer Science · Computer Science 2007-05-23 Robert Harper , Frank Pfenning

Object classes that surround us have a natural tendency to emerge at varying levels of abstraction. We propose a Bayesian approach to zero-shot learning (ZSL) that introduces the notion of meta-classes and implements a Bayesian hierarchy…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Sarkhan Badirli , Zeynep Akata , Murat Dundar

We introduce a method to improve the tractability of the well-known Sample Average Approximation (SAA) without compromising important theoretical properties, such as convergence in probability and the consistency of an independent and…

Optimization and Control · Mathematics 2019-04-03 Lijian Chen

We consider the general free field theory such that system of equations of motion includes a subsystem with a special property. If the subsystem is considered by itself, it would be a topological field theory having no local degrees of…

High Energy Physics - Theory · Physics 2023-05-17 V. A. Abakumova , S. L. Lyakhovich

In this manuscript, we address continuous unconstrained multi-objective optimization problems and we discuss descent type methods for the reconstruction of the Pareto set. Specifically, we analyze the class of Front Descent methods, which…

Optimization and Control · Mathematics 2026-04-08 Matteo Lapucci , Pierluigi Mansueto , Davide Pucci

In this paper, it was proposed a new concept of the inexact higher degree $(\delta, L, q)$-model of a function that is a generalization of the inexact $(\delta, L)$-model, $(\delta, L)$-oracle and $(\delta, L)$-oracle of degree $q \in…

Optimization and Control · Mathematics 2024-10-04 Mohammad Alkousa , Fedor Stonyakin , Alexander Gasnikov , Asmaa Abdo , Mohammad Alcheikh

Research on the similarity of a graph to being a tree - called the treewidth of the graph - has seen an enormous rise within the last decade, but a practically fast algorithm for this task has been discovered only recently by Tamaki (ESA…

Data Structures and Algorithms · Computer Science 2019-05-06 Max Bannach , Sebastian Berndt

Direct shooting is an efficient method to solve numerical optimal control. It utilizes the Runge-Kutta scheme to discretize a continuous-time optimal control problem making the problem solvable by nonlinear programming solvers. However,…

Systems and Control · Electrical Eng. & Systems 2024-03-12 Jiawei Tang , Yuxing Zhong , Pengyu Wang , Xingzhou Chen , Shuang Wu , Ling Shi

Recent approaches have shown that training deep neural networks directly on large-scale image-text pair collections enables zero-shot transfer on various recognition tasks. One central issue is how this can be generalized to object…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Johnathan Xie , Shuai Zheng

The low-degree polynomial framework has been highly successful in predicting computational versus statistical gaps for high-dimensional problems in average-case analysis and machine learning. This success has led to the low-degree…

Machine Learning · Statistics 2026-03-04 He Jia , Aravindan Vijayaraghavan