Tamal K. Dey

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The Ohio State University

Computing Optimal Persistent Cycles for Levelset Zigzag on Manifold-like Complexes

In standard persistent homology, a persistent cycle born and dying with ...
05/02/2021 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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3D Microstructure Segmentation by Topological Persistence

Tomography is a widely used tool for analyzing microstructures in three ...
04/27/2021 ∙ by Anand V. Patel, et al. ∙ 0 ∙ share

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2D Points Curve Reconstruction Survey and Benchmark

Curve reconstruction from unstructured points in a plane is a fundamenta...
03/17/2021 ∙ by Stefan Ohrhallinger, et al. ∙ 0 ∙ share

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Computing Zigzag Persistence on Graphs in Near-Linear Time

Graphs model real-world circumstances in many applications where they ma...
03/12/2021 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Persistence of the Conley Index in Combinatorial Dynamical Systems

A combinatorial framework for dynamical systems provides an avenue for c...
03/12/2020 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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An efficient algorithm for 1-dimensional (persistent) path homology

This paper focuses on developing an efficient algorithm for analyzing a ...
01/27/2020 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Road Network Reconstruction from Satellite Images with Machine Learning Supported by Topological Methods

Automatic Extraction of road network from satellite images is a goal tha...
09/15/2019 ∙ by Tamal K. Dey, et al. ∙ 21 ∙ share

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Computing Minimal Persistent Cycles: Polynomial and Hard Cases

Persistent cycles, especially the minimal ones, are useful geometric fea...
07/10/2019 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Generalized Persistence Algorithm for Decomposing Multi-parameter Persistence Modules

The classical persistence algorithm virtually computes the unique decomp...
04/07/2019 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Persistent 1-Cycles: Definition, Computation, and Its Application

Persistence diagrams, which summarize the birth and death of homological...
10/11/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Filtration Simplification for Persistent Homology via Edge Contraction

Persistent homology is a popular data analysis technique that is used to...
10/10/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Computing Height Persistence and Homology Generators in R^3 Efficiently

Recently it has been shown that computing the dimension of the first hom...
07/10/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Graph Reconstruction by Discrete Morse Theory

Recovering hidden graph-like structures from potentially noisy data is a...
03/14/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Computing Bottleneck Distance for 2-D Interval Decomposable Modules

Computation of the interleaving distance between persistence modules is ...
03/07/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Efficient algorithms for computing a minimal homology basis

Efficient computation of shortest cycles which form a homology basis und...
01/21/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Persistent Homology of Morse Decompositions in Combinatorial Dynamics

We investigate combinatorial dynamical systems on simplicial complexes c...
01/19/2018 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Temporal Hierarchical Clustering

We study hierarchical clusterings of metric spaces that change over time...
07/31/2017 ∙ by Tamal K. Dey, et al. ∙ 0 ∙ share

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Tamal K. Dey

Featured Co-authors

Yusu Wang

Anastasios Sidiropoulos

Mateusz Juda

Tianqi Li

Tao Hou

Stefan Ohrhallinger

Marian Mrozek

Jiju Peethambaran

Sayan Mandal

Tomasz Kapela

Jiayuan Wang

Computing Optimal Persistent Cycles for Levelset Zigzag on Manifold-like Complexes

3D Microstructure Segmentation by Topological Persistence

2D Points Curve Reconstruction Survey and Benchmark

Computing Zigzag Persistence on Graphs in Near-Linear Time

Persistence of the Conley Index in Combinatorial Dynamical Systems

An efficient algorithm for 1-dimensional (persistent) path homology

Road Network Reconstruction from Satellite Images with Machine Learning Supported by Topological Methods

Computing Minimal Persistent Cycles: Polynomial and Hard Cases

Generalized Persistence Algorithm for Decomposing Multi-parameter Persistence Modules

Persistent 1-Cycles: Definition, Computation, and Its Application

Filtration Simplification for Persistent Homology via Edge Contraction

Computing Height Persistence and Homology Generators in R^3 Efficiently

Graph Reconstruction by Discrete Morse Theory

Computing Bottleneck Distance for 2-D Interval Decomposable Modules

Efficient algorithms for computing a minimal homology basis

Persistent Homology of Morse Decompositions in Combinatorial Dynamics

Temporal Hierarchical Clustering