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math.DG2010
Definability and stability of multiscale decompositions for manifold-valued data
Philipp Grohs, Johannes Wallner
We discuss multiscale representations of discrete manifold-valued data. As it turns out that we cannot expect general manifold-analogues of biorthogonal wavelets to possess perfect…
math.DG2009★ 9 cited
A curvature theory for discrete surfaces based on mesh parallelity
Alexander I. Bobenko, Helmut Pottmann, Johannes Wallner
We consider a general theory of curvatures of discrete surfaces equipped with edgewise parallel Gauss images, and where mean and Gaussian curvatures of faces are derived from the f…