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On Gradient Flows Initialized Near Maxima by Belabbas, Mohamed-Ali is a scholarly article available to read on EtoBox.

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Let $(M,g)$ be a closed Riemannian manifold, and let $F:M \to \mathbb{R}$ be a smooth function on $M$. We show the following holds generically for the function $F$: for each maximum $p$ of $F$, there exist two minima, denoted by $m_+(p)$ and $m_-(p)$, so that the gradient flow initialized at a random point close to $p$ converges to either $m_-(p)$ or $m_+(p)$ with high probability. The statement also holds for $F \in C^\infty(M)$ fixed and a generic metric $g$ on $M$. We conclude by associating to a given a generic pair $(F, g)$ what we call its max-min graph, which captures the relation between minima and maxima derived in the main result.

Author

Belabbas, Mohamed-Ali

Published

2021

Language

EN