2 papers
math.DG2023
Rolling spheres and the Willmore energy
Felix Knöppel, Ulrich Pinkall, Peter Schröder +1
The Willmore energy plays a central role in the conformal geometry of surfaces in the conformal 3-sphere \(S^3\). It also arises as the leading term in variational problems ranging…
math.DG2015
Complex Line Bundles over Simplicial Complexes and their Applications
Felix Knöppel, Ulrich Pinkall
Discrete vector bundles are important in Physics and recently found remarkable applications in Computer Graphics. This article approaches discrete bundles from the viewpoint of Dis…