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An Exposition of Discrete Morse Theory and Applications

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An Exposition of Discrete Morse Theory and Applications

Lu, Lingfeng (2021) An Exposition of Discrete Morse Theory and Applications. Masters thesis, Concordia University.

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Abstract

The classical Morse theory is a powerful tool to study topological properties of a smooth manifold by examining critical points of some differentiable functions on that manifold. Robin Forman developed a discrete variant of Morse theory by adapting it on abstract simplicial complexes that resulted in a new theory with wide applications in other fields of mathematics, computer science, data science, and others. In this thesis, we present Forman’s construction of discrete Morse theory, as well as its main theorems such as the Collapse theorem, discrete Morse inequalities, the theorem for cancelling critical simplices, and some additional topics. We also discuss some applications of discrete Morse theory with a major focus on the concept of persistence in topological data analysis. While many results exist in the literature, we wrote our own proofs, added more details and explanations, and adapted it to our own settings with a strong topological flavor whenever possible.

Divisions:Concordia University > Faculty of Arts and Science > Mathematics and Statistics
Item Type:Thesis (Masters)
Authors:Lu, Lingfeng
Institution:Concordia University
Degree Name:M.A.
Program:Mathematics
Date:5 May 2021
Thesis Supervisor(s):Stancu, Alina
ID Code:988461
Deposited By: Lingfeng Lu
Deposited On:29 Nov 2021 17:01
Last Modified:29 Nov 2021 17:01
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