Timeline for Combinatorial Skeleton of a Riemannian manifold
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| S Oct 31, 2019 at 17:18 | comment | added | Sophie M | As they say in the abstract, this retroactively explains the diversity of discrete Laplacians in the literature. I don't know to what extent this result applies to Chung and Yau's setup. | |
| S Oct 31, 2019 at 17:18 | comment | added | Sophie M | The paper "Discrete Laplace operators: no free lunch" by Wardetzky, Mathur, K{\"a}lberer, and Grinspun (cs.columbia.edu/cg/pdfs/1180993110-laplacian.pdf) discusses several nice properties of the Laplacian (symmetry, positive semi-definiteness, maximum principle, kernel containing the constant functions, and two others) and shows that no linear operator on functions defined on a triangular mesh can have all of these properties. (continued) | |
| Oct 31, 2019 at 16:14 | history | edited | LSpice | CC BY-SA 4.0 |
MathSciNet link
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| Oct 31, 2019 at 6:55 | answer | added | Ivan Izmestiev | timeline score: 6 | |
| Oct 30, 2019 at 22:15 | history | asked | Student | CC BY-SA 4.0 |