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We present a topological pipeline for automated multiclass emotion recognition from eye-tracking data. Delay embeddings of gaze trajectories are analyzed using persistent homology. From the resulting persistence diagrams, we extract…

机器学习 · 计算机科学 2025-07-24 Arsha Niksa , Hooman Zare , Ali Shahrabi , Hanieh Hatami , Mohammadreza Razvan

Persistent homology and persistent entropy have recently become useful tools for patter recognition. In this paper, we find requirements under which persistent entropy is stable to small perturbations in the input data and scale invariant.…

信息论 · 计算机科学 2020-06-22 N. Atienza , R. Gonzalez-Diaz , M. Soriano-Trigueros

In this paper we describe a model based on persistent homology that describes interactions between mathematicians in terms of collaborations. Some ideas from classical data analysis are used.

代数拓扑 · 数学 2014-03-24 Maria Bampasidou , Thanos Gentimis

In this paper we examine the use of topological methods for multivariate statistics. Using persistent homology from computational algebraic topology, a random sample is used to construct estimators of persistent homology. This estimation…

统计理论 · 数学 2021-01-29 Peter Bubenik , Gunnar Carlsson , Peter T. Kim , Zhiming Luo

A generalization of the Aubry-Andr\'e-Harper (AAH) model is developed, containing a tunable phase shift between on-site and off-diagonal modulations. A localization transition can be induced by varying just this phase, keeping all other…

介观与纳米尺度物理 · 物理学 2015-01-26 Fangli Liu , Somnath Ghosh , Y. D. Chong

Topological data analysis is an emerging area in exploratory data analysis and data mining. Its main tool, persistent homology, has become a popular technique to study the structure of complex, high-dimensional data. In this paper, we…

图形学 · 计算机科学 2017-10-04 Mustafa Hajij , Bei Wang , Carlos Scheidegger , Paul Rosen

In real-world systems, the relationships and connections between components are highly complex. Real systems are often described as networks, where nodes represent objects in the system and edges represent relationships or connections…

代数拓扑 · 数学 2024-06-24 Shen Zhang

Persistent homology is a popular and powerful tool for capturing topological features of data. Advances in algorithms for computing persistent homology have reduced the computation time drastically -- as long as the algorithm does not…

计算几何 · 计算机科学 2013-10-03 Ulrich Bauer , Michael Kerber , Jan Reininghaus

We investigate the time evolution of the entropy for a paradigmatic conservative dynamical system, the standard map, for different values of its controlling parameter $a$. When the phase space is sufficiently ``chaotic'' (i.e., for large…

统计力学 · 物理学 2009-11-07 F. Baldovin , C. Tsallis , B. Schulze

In this article we establish two fundamental results for the sublevel set persistent homology for stationary processes indexed by the positive integers. The first is a strong law of large numbers for the persistence diagram (treated as a…

概率论 · 数学 2025-08-22 Andrew M. Thomas

This paper aims to discuss a method of quantifying the 'shape' of data, via a methodology called topological data analysis. The main tool within topological data analysis is persistent homology; this is a means of measuring the shape of…

代数拓扑 · 数学 2022-09-14 Tristan Gowdridge , Nikolaos Devilis , Keith Worden

Persistence diagrams offer a way to summarize topological and geometric properties latent in datasets. While several methods have been developed that utilize persistence diagrams in statistical inference, a full Bayesian treatment remains…

统计方法学 · 统计学 2019-08-08 Vasileios Maroulas , Farzana Nasrin , Christopher Oballe

The single particle eigenstates of the Aubry-Andr\'e-Harper model are known to show a delocalization-localization transition at a finite strength of the quasi-periodic disorder. In this work, we point out that an intimate relationship…

强关联电子 · 物理学 2019-12-03 Nilanjan Roy , Auditya Sharma

We investigate a non-Hermitian Aubry-Andr\'e-Harper model with short-range, as well as long-range p-wave pairing. Here, the non-Hermiticity is introduced through the onsite potential. A comprehensive analysis of several critical aspects of…

无序系统与神经网络 · 物理学 2024-06-17 Shaina Gandhi , Jayendra N. Bandyopadhyay

In this work, we present a generalization of extended persistent homology to filtrations of graded sub-groups by defining relative homology in this setting. Our work provides a more comprehensive and flexible approach to get an algebraic…

代数拓扑 · 数学 2023-11-01 Fang Sun , Shengwen Xie , Xuezhi Zhao

PT symmetric Aubry-Andre model describes an array of N coupled optical waveguides with position dependent gain and loss. We show that the reality of the spectrum depends sensitively on the degree of disorder for small number of lattice…

量子物理 · 物理学 2015-06-18 C. Yuce

Persistent homology enables fast and computable comparison of topological objects. However, it is naturally limited to the analysis of topological spaces. We extend the theory of persistence, by guaranteeing robustness and computability to…

组合数学 · 数学 2020-09-16 Mattia G. Bergomi , Massimo Ferri , Pietro Vertechi , Lorenzo Zuffi

By general case we mean methods able to process simplicial sets and chain complexes not of finite type. A filtration of the object to be studied is the heart of both subjects persistent homology and spectral sequences. In this paper we…

计算几何 · 计算机科学 2014-04-01 Ana Romero , Jónathan Heras , Julio Rubio , Francis Sergeraert

We propose a study of multipartite entanglement through persistent homology, a tool used in topological data analysis. In persistent homology, a 1-parameter filtration of simplicial complexes called persistence complex is used to reveal…

量子物理 · 物理学 2024-06-05 Gregory A. Hamilton , Felix Leditzky

The Anderson localization phase transition in the Aubry-Andr\'e-Harper (AAH) model with \textit{p}-wave superconducting (SC) pairing is numerically investigated by suddenly changing the on-site potential from zero to various finite values…

无序系统与神经网络 · 物理学 2018-06-04 Qi-Bo Zeng , Shu Chen , Rong Lü