管理员 发表于 2025-3-25 04:58:02
Exchange Algorithms, Error Estimations and Strong Unicity in Convex Programming and Chebyshev Appro a finite sequence of finite sub-problems, which is called an optimization problem with respect to a .. Modifying a strategy of Carasso and Laurent we replace in the.exchange theorem the zero-checks by practical δ-checks with δ > 0. This allows us to reduce the numerical calculations of the function因无茶而冷淡 发表于 2025-3-25 10:36:14
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Birkhoff Interpolation on the Roots of Unity,, the general problem of Birkhoff interpolation on the roots of unity has not received enough attention. Even for a three row incidence matrix E we do not know any simple criterion for settling its regularity on the cube roots of unity.Introduction 发表于 2025-3-26 11:05:29
H-Sets for Non-Linear Constrained Approximation,ar approximation by sets not satisfying the Haar condition. The usefulness of H-sets for the characterisation and anlysis of best approximation in this non-Haar setting is set out in Brannigan . A complete exposition in terms of functions in a normed linear setting is given in Brannigan . ForMediocre 发表于 2025-3-26 16:39:36
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