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Discrete Morse Theory is a combinatorial analogue of Morse Theory, introduced by Forman. It provides techniques for computing homological properties of simplicial sets/complexes.

7 votes

Discrete Morse theory: how do zig-zag paths determine homotopy type?

Thanks to Cosheaf Overlord Justin Curry for bringing this question to my attention. I'm only going to address the first question here, and I think with some computations (whose complexity depends on y …
Vidit Nanda's user avatar
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2 votes

Using Discrete Morse Theory to represent hom classes

The answer to your question as stated is no. What discrete Morse theory gives you, starting from a finite regular CW complex $X$ and a discrete Morse function $f:X \to \mathbb{R}$ (with discrete vec …
Vidit Nanda's user avatar
  • 15.5k
2 votes

Morse matching with 0-cells and (n-1)-cells

Based on the comments under the question, it seems that the real question is as follows: Let $P$ be a finite poset whose maximal chains have length $\leq n+1$ for some strictly positive $n \in \ma …
Vidit Nanda's user avatar
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15 votes
Accepted

Discrete Morse theory and chess

The quick answer to your question is no, discrete Morse theory has not been used to study chess moves yet (unless this has been done in some very obscure journal). I would like to highlight a few like …
Vidit Nanda's user avatar
  • 15.5k