 Posted: Wed 11:35, 30 Mar 2011 Post subject: With best spherical approximation characterize Bes |
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| With best spherical approximation characterize Besov space
All [ A 1,1 ] on the stage : ≤ n the set of algebraic polynomials , and remember E (,MBT schuhe preise,) a inf} lf-p 』 . Mouth of a P- order Iip {g (): ∞; (g  p一0 (), 0 O, so that llf-PJJ ≤ Chan ;(,;÷)( 6) (,; sound ) ≤ approved ; ( , ; sound ) (7 ) 0 dead l_ ≤ Mlrf ( Lemma 2 to Lemma 1 in the polynomial ( ), there is a constant > 0 such that fJ, a JJ ≤ MK ;(,,~)( 9) llPli ≤ Mn research 【 ,,~)( 10) The above proof of Lemma 2 are omitted , interested readers may |
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