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Geometric Rigidity of Conformal Matrices
Daniel Faraco and Xiao Zhong
We provide a geometric rigidity estimate à la Friesecke-James-Müller for conformal matrices. Namely, we replace $SO(n)$ by an arbitrary compact subset of conformal matrices, bounded away from $0$ and invariant under $SO(n)$, and rigid motions by Möbius transformations.