<div id="comment:0"></div> Depends on #22801 CC: @egourgoulhon @rll2021 Component: **geometry** Keywords: **manifolds calculus** Author: **Marco Mancini** Branch/Commit: **[public/24151_simplifications_manifolds](https://github.com/sagemath/sagetrac-mirror/tree/public/24151_simplifications_manifolds) @ [`b875d7f`](https://github.com/sagemath/sagetrac-mirror/commit/b875d7fdb6a01522837ed8ef0847d43ac7bd2282)** _Issue created by migration from https://trac.sagemath.org/ticket/24151_