Overview

Cubature rules are indispensable tools in scientific computing and applied sciences whenever evaluating or discretizing integrals is needed. This monograph is the first comprehensive resource devoted to cubature rules in English since Stroud's classic 1971 book, and the first book about minimal cubature rules. The book explores the subject's theoretical side, which intersects with many branches of mathematics. Minimal cubature rules are intimately connected with common zeros of orthogonal polynomials, which can be described via the polynomial ideals and varieties. Many prominent or practical cubature rules are invariant under a finite group, and some involve symmetric functions and the discrete Fourier transform. Based on state-of-the-art research, the book systematically studies Gauss and minimal cubature rules, and includes a chapter on the practical aspects of construction cubature rules on triangles and simplexes. This comprehensive guide is ideal for researchers and advanced graduate students across the computational and applied mathematics community.

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9781009663922

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Author Information

Yuan Xu is Professor of Mathematics at the University of Oregon. He works in approximation theory, harmonic analysis, and numerical analysis, mostly on problems of several variables. He has authored and co-authored several books and more than 200 research papers. He has served on the editorial board of several international journals and was awarded a Humboldt research fellowship in 1992-93 and a Humboldt award in 2021-22.

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