Robuta

https://www.numdam.org/articles/10.1016/j.crma.2019.02.001/ Simply connected open 3-manifolds with slow decay of positive scalar curvature simply connected slow decay scalar curvature open manifolds https://www.math-stockholm.se/kalender/diffgeom/klaus-kroncke-local-and-global-scalar-curvature-rigidity-of-einstein-manifolds-1.1278451?date=2023-09-21&orgdate=2023-06-08&length=1&orglength=207 Klaus Kröncke: Local and global scalar curvature rigidity of Einstein manifolds | SMC scalar curvature klaus local global rigidity https://indico.math.cnrs.fr/event/393/?view=event Scalar Curvature, Gauss-Bonnet Theorem and Einstein-Hilbert Action for Noncommutative Tori... Geometric spaces are described by spectral triples (A, H, D) in non-commutative geometry. In this context, A is an involutive noncommutative algebra... gauss bonnet theorem scalar curvature hilbert action einstein noncommutative