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New sharp affine isoperimetric inequalities for volume decomposition functionals $X_{2}$ and $X_{3}$ in $\mathbb{R}^n$ are established. To fulfil this task, we prove the recursion formulas for volume decomposition functionals and find out…

Metric Geometry · Mathematics 2024-05-29 Yu-de Liu , Qiang Sun , Ge Xiong

The model theory based notion of the first order convergence unifies the notions of the left-convergence for dense structures and the Benjamini-Schramm convergence for sparse structures. It is known that every first order convergent…

Combinatorics · Mathematics 2016-08-16 Frantisek Kardos , Daniel Kral , Anita Liebenau , Lukas Mach

In this paper, we first give a new result characterizing the strongly connected digraphs with a diameter equal to that of their line digraphs. Then, we introduce the concepts of the inner diameter and inner radius of a digraph and study…

Combinatorics · Mathematics 2024-09-05 N. H. Bong , C. Dalfó , M. A. Fiol , D. Závacká

Recent advances have markedly improved the cross-scene generalization of relative depth estimation, yet its practical applicability remains limited by the absence of metric scale, local inconsistencies, and low computational efficiency. To…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yu Ma , Zizhan Guo , Zuyi Xiong , Haoran Zhang , Yi Feng , Hongbo Zhao , Hanli Wang , Rui Fan

Understanding the relationship between the depth of a neural network and its representational capacity is a central problem in deep learning theory. In this work, we develop a geometric framework to analyze the expressivity of ReLU networks…

Machine Learning · Computer Science 2026-03-20 Juan L. Valerdi

In this paper, the concept of the metric matrix is introduced to establish a concise and unified formulation for the inner product in barycentric coordinates. Building on this framework, we explore the intrinsic algebraic identities of…

General Mathematics · Mathematics 2025-05-13 Xi Feng

Assessing the similarity of matrices is valuable for analyzing the extent to which data sets exhibit common features in tasks such as data clustering, dimensionality reduction, pattern recognition, group comparison, and graph analysis.…

Neurons and Cognition · Quantitative Biology 2025-02-26 Jasper Albers , Anno C. Kurth , Robin Gutzen , Aitor Morales-Gregorio , Michael Denker , Sonja Grün , Sacha J. van Albada , Markus Diesmann

This paper studies structural aspects of lattice path matroids, a class of transversal matroids that is closed under taking minors and duals. Among the basic topics treated are direct sums, duals, minors, circuits, and connected flats. One…

Combinatorics · Mathematics 2024-08-07 Joseph E. Bonin , Anna de Mier

This work presents Prior Depth Anything, a framework that combines incomplete but precise metric information in depth measurement with relative but complete geometric structures in depth prediction, generating accurate, dense, and detailed…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Zehan Wang , Siyu Chen , Lihe Yang , Jialei Wang , Ziang Zhang , Hengshuang Zhao , Zhou Zhao

Omnidirectional depth estimation presents a significant challenge due to the inherent distortions in panoramic images. Despite notable advancements, the impact of projection methods remains underexplored. We introduce Multi-Cylindrical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Feng Qiao , Zhexiao Xiong , Xinge Zhu , Yuexin Ma , Qiumeng He , Nathan Jacobs

In this paper, we propose a novel penetration metric, called deformable penetration depth PDd, to define a measure of inter-penetration between two linearly deforming tetrahedra using the object norm. First of all, we show that a distance…

Computational Geometry · Computer Science 2019-11-15 Jisu Kim , Young J. Kim

We present a formal analysis, in Isabelle/HOL, of optimisation algorithms for matroids, which are useful generalisations of combinatorial structures that occur in optimisation, and greedoids, which are a generalisation of matroids. Although…

Logic in Computer Science · Computer Science 2025-07-01 Mohammad Abdulaziz , Thomas Ammer , Shriya Meenakshisundaram , Adem Rimpapa

In this work, we present a panoramic metric depth foundation model that generalizes across diverse scene distances. We explore a data-in-the-loop paradigm from the view of both data construction and framework design. We collect a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Xin Lin , Meixi Song , Dizhe Zhang , Wenxuan Lu , Haodong Li , Bo Du , Ming-Hsuan Yang , Truong Nguyen , Lu Qi

We aim to conduct a systematic mapping in the area of testing ML programs. We identify, analyze and classify the existing literature to provide an overview of the area. We followed well-established guidelines of systematic mapping to…

Machine Learning · Computer Science 2019-07-23 Salman Sherin , Muhammad Uzair khan , Muhammad Zohaib Iqbal

The recent increase of interest in the graph invariant called tree-depth and in its applications in algorithms and logic on graphs led to a natural question: is there an analogously useful "depth" notion also for dense graphs (say; one…

Logic in Computer Science · Computer Science 2023-06-22 Robert Ganian , Petr Hliněný , Jaroslav Nešetřil , Jan Obdržálek , Patrice Ossona de Mendez

Matroid varieties are the closures in the Grassmannian of sets of points defined by specifying which Pl\"ucker coordinates vanish and which don't --- the set of nonvanishing Pl\"ucker coordinates forms a well-studied object called a…

Algebraic Geometry · Mathematics 2015-08-11 Nicolas Ford

We propose a framework for descriptively analyzing sets of partial orders based on the concept of depth functions. Despite intensive studies of depth functions in linear and metric spaces, there is very little discussion on depth functions…

Machine Learning · Computer Science 2024-02-12 Hannah Blocher , Georg Schollmeyer , Christoph Jansen , Malte Nalenz

In this paper, we propose a metric on the space of finite sets of trajectories for assessing multi-target tracking algorithms in a mathematically sound way. The main use of the metric is to compare estimates of trajectories from different…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Ángel F. García-Fernández , Abu Sajana Rahmathullah , Lennart Svensson

In recent years, the emergence of foundation models for depth prediction has led to remarkable progress, particularly in zero-shot monocular depth estimation. These models generate impressive depth predictions; however, their outputs are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Rizhao Fan , Tianfang Ma , Zhigen Li , Ning An , Jian Cheng

In this paper, we define the notion of rigidity for linear electrical multiports and for matroid pairs. We show the parallel between the two and study the consequences of this parallel. We present applications to testing, using purely…

Combinatorics · Mathematics 2021-03-10 H. Narayanan