scientific article; zbMATH DE number 938923
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Publication:4897092
zbMath0853.31002MaRDI QIDQ4897092
Lothar Rogge, Werner Haussmann, Stephen J. Gardiner, David H. Armitage
Publication date: 27 October 1996
Full work available at URL: https://www.digizeitschriften.de/dms/resolveppn/?PPN=GDZPPN002213907
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Dirichlet problemsubharmonic functionsbest harmonic \(L^ 1\)-approximantsuperharmonic \(L^ 1\)-approximation
Best approximation, Chebyshev systems (41A50) Harmonic, subharmonic, superharmonic functions in higher dimensions (31B05) Approximation by other special function classes (41A30)
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Best harmonic and superharmonic \(L^1\)-approximants in strips ⋮ Gaussian extended cubature formulae for polyharmonic functions ⋮ Canonical sets of best \(L_1\)-approximation ⋮ Decomposition of polyharmonic functions with respect to the complex Dunkl Laplacian ⋮ Best one-sided \(L^1\)-approximation by blending functions of order \((2,2)\)
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