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Despite the remarkable accuracies attained by machine learning classifiers to separate complex datasets in a supervised fashion, most of their operation falls short to provide an informed intuition about the structure of data, and, what is…

机器学习 · 计算机科学 2023-03-09 Aina Ferrà , Gloria Cecchini , Fritz-Pere Nobbe Fisas , Carles Casacuberta , Ignasi Cos

This paper introduces advanced techniques of Topological Data Analysis (TDA) for unsupervised anomaly detection and customer segmentation in banking data. Using the Mapper algorithm and persistent homology, we develop unsupervised…

机器学习 · 计算机科学 2025-08-21 Leonardo Aldo Alejandro Barberi , Linda Maria De Cave

It is well known that the bulk physics of a topological phase constrains its possible edge physics through the bulk-edge correspondence. Therefore, the different types of edge theories that a topological phase can host constitute a…

强关联电子 · 物理学 2017-06-07 Wen Wei Ho , Lukasz Cincio , Heidar Moradi , Guifre Vidal

Topological phase classifications have been intensively studied via machine-learning techniques where different forms of the training data are proposed in order to maximize the information extracted from the systems of interests. Due to the…

量子物理 · 物理学 2023-05-08 Min-Ruei Lin , Wan-Ju Li , Shin-Ming Huang

The topological patterns exhibited by many real-world networks motivate the development of topology-based methods for assessing the similarity of networks. However, extracting topological structure is difficult, especially for large and…

Features such as photon rings, jets, or hot. spots can leave particular topological signatures in a black hole image. As such, topological data analysis can be used to characterize images resulting from high resolution observations…

高能天体物理现象 · 物理学 2022-10-11 Pierre Christian , Chi-kwan Chan , Anthony Hsu , Feryal Ozel , Dimitrios Psaltis , Iniyan Natarajan

This paper introduces multidimensional algorithms for simulating multiphase flows, leveraging the wave structure of the Euler equations in characteristic space and the physical properties of variables in physical space. The algorithm…

流体动力学 · 物理学 2026-04-07 Amareshwara Sainadh Chamarthi

We consider a binary supervised learning classification problem where instead of having data in a finite-dimensional Euclidean space, we observe measures on a compact space $\mathcal{X}$. Formally, we observe data $D_N = (\mu_1, Y_1),…

计算几何 · 计算机科学 2026-01-14 Olympio Hacquard , Gilles Blanchard , Clément Levrard

We explore the use of topological data analysis (TDA) combined with machine learning for discriminating standard model backgrounds from the invisible decay of the $Z^\prime$ boson associated with monophoton emission at a 3 TeV muon…

高能物理 - 唯象学 · 物理学 2025-09-25 Jyotiranjan Beuria

We present a way to use Topological Data Analysis (TDA) for machine learning tasks on grayscale images. We apply persistent homology to generate a wide range of topological features using a point cloud obtained from an image, its natural…

机器学习 · 计算机科学 2019-10-23 Adélie Garin , Guillaume Tauzin

Transformer-based models have achieved remarkable success across a wide range of domains, yet our understanding of their training dynamics remains limited. In this work, we identify a recurrent focus-dilution cycle in attention learning and…

机器学习 · 计算机科学 2026-05-05 Zheng-An Chen , Pengxiao Lin , Zhi-Qin John Xu , Tao Luo

Topological features play an essential role in ensuring geometric plausibility and structural consistency in image analysis tasks such as segmentation and skeletonization. However, integrating topology-preserving learning based on simple…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Wenxiao Li , Faqiang Wang , Yuping Duan , Li Cui , Liqiang Zhang , Jun Liu

I present a strategy for unsupervised manifold learning on local atomic environments in molecular simulations based on simple rotation- and permutation-invariant three-body features. These features are highly descriptive, generalize to…

材料科学 · 物理学 2023-01-03 Wesley F. Reinhart

In this work, we study the perception problem for sampled surfaces (possibly with boundary) using tools from computational topology, specifically, how to identify their underlying topology starting from point-cloud samples in space, such as…

计算几何 · 计算机科学 2024-10-17 Franco Coltraro , Jaume Amorós , Maria Alberich-Carramiñana , Carme Torras

Identifying phases and analyzing the stability of dynamic states are ubiquitous and important problems which appear in various physical systems. Nonetheless, drawing a phase diagram in high-dimensional and large parameter spaces has…

光学 · 物理学 2022-11-09 Stephan Wong , Jan Olthaus , Thomas K. Bracht , Doris E. Reiter , Sang Soon Oh

Topologically ordered quantum matter exhibits intriguing long-range patterns of entanglement, which reveal themselves in subsystem entropies. However, measuring such entropies, which can be used to certify topological order, on large…

The problem of embedding a set of objects into a low-dimensional Euclidean space based on a matrix of pairwise dissimilarities is fundamental in data analysis, machine learning, and statistics. However, the assumptions of many standard…

计算几何 · 计算机科学 2025-08-21 Omid Arhami , Pejman Rohani

Continual learning aims to efficiently learn from a non-stationary stream of data while avoiding forgetting the knowledge of old data. In many practical applications, data complies with non-Euclidean geometry. As such, the commonly used…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Zhi Gao , Chen Xu , Feng Li , Yunde Jia , Mehrtash Harandi , Yuwei Wu

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

Dynamical quantum systems both driven by unitary evolutions and monitored through measurements have proved to be fertile ground for exploring new dynamical quantum matters. While the entanglement structure and symmetry properties of…

量子物理 · 物理学 2025-11-10 Haining Pan , Hassan Shapourian , Chao-Ming Jian