A mesh-free convex approximation scheme for Kohn-Sham density functional theory.
Phanish SuryanarayanaKaushik BhattacharyaMichael OrtizPublished in: J. Comput. Phys. (2011)
Keyphrases
- polynomial time approximation
- approximation schemes
- randomized approximation
- theoretical framework
- convex functions
- polynomial approximation
- convex optimization
- information theory
- computational model
- approximation algorithms
- piecewise linear
- convex sets
- linear programming
- approximation error
- low density
- error bounds
- convex hull
- maximum error
- mesh generation
- closed form
- central limit theorem
- object based video