Abstract
Quadrature formulas are considered for classes of smooth functions W rp , B rp , θ with bounded mixed derivative or difference. For the classes of functions indicated above, the result that quadrature formulas constructed with the help of number-theoretic methods are optimal (in the sense of order) is proved, and the optimal order of the error estimates is obtained.
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Project supported by the National Natural Science Foundation of China and the Doctoral Program Foundation of the State Education Commission of China.
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Wang, H. Quadrature formulas for classes of functions with bounded mixed derivative or difference. Sci. China Ser. A-Math. 40, 449–458 (1997). https://doi.org/10.1007/BF02896952
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DOI: https://doi.org/10.1007/BF02896952