Open AccessOn the piecewise convex or concave nature of ground state energy as a function of fractional number of electrons for approximate density functionals
Author(s) -
Chen Li,
Weitao Yang
Publication year - 2017
Publication title -
the journal of chemical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.071
H-Index - 357
eISSN - 1089-7690
pISSN - 0021-9606
DOI - 10.1063/1.4974988
Subject(s) - convexity , piecewise , mathematics , function (biology) , integer (computer science) , mathematical analysis , delocalized electron , regular polygon , energy (signal processing) , physics , quantum mechanics , geometry , statistics , evolutionary biology , computer science , financial economics , economics , biology , programming language
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