A lower bound for the error of a formula for approximate summation in the class $E_{s,p}(C)$
Matematičeskie zametki, Tome 21 (1977) no. 3, pp. 371-375
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The error of a formula for approximate summation in the class $E_{s,p}(C)$ over an arbitrary mesh containing p base-points is shown to be not less than $C_1\ln^sp/p$. This estimate has the same order as the error of the optimal parallelepiped mesh in this class.
@article{MZM_1977_21_3_a8,
author = {I. F. Sharygin},
title = {A~lower bound for the error of a~formula for approximate summation in the class $E_{s,p}(C)$},
journal = {Matemati\v{c}eskie zametki},
pages = {371--375},
year = {1977},
volume = {21},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1977_21_3_a8/}
}
I. F. Sharygin. A lower bound for the error of a formula for approximate summation in the class $E_{s,p}(C)$. Matematičeskie zametki, Tome 21 (1977) no. 3, pp. 371-375. http://geodesic.mathdoc.fr/item/MZM_1977_21_3_a8/