Discrete Morse theory for the barycentric subdivision
Zapiski Nauchnykh Seminarov POMI, Representation theory, dynamical systems, combinatorial methods. Part XXVIII, Tome 462 (2017), pp. 52-64
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Let $F$ be a discrete Morse function on a simplicial complex $L$. We construct a discrete Morse function $\Delta(F)$ on the barycentric subdivision $\Delta(L)$. The constructed function $\Delta(F)$ “behaves the same way” as $F$, i.e., has the same number of critical simplices and the same gradient path structure.
@article{ZNSL_2017_462_a2,
author = {A. Zhukova},
title = {Discrete {Morse} theory for the barycentric subdivision},
journal = {Zapiski Nauchnykh Seminarov POMI},
pages = {52--64},
publisher = {mathdoc},
volume = {462},
year = {2017},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ZNSL_2017_462_a2/}
}
A. Zhukova. Discrete Morse theory for the barycentric subdivision. Zapiski Nauchnykh Seminarov POMI, Representation theory, dynamical systems, combinatorial methods. Part XXVIII, Tome 462 (2017), pp. 52-64. http://geodesic.mathdoc.fr/item/ZNSL_2017_462_a2/