Geodesic
LP Approximation by Reciprocals of Trigonometric and Algebraic Polynomials
Canadian mathematical bulletin, Tome 33 (1990) no. 4, pp. 460-469

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DOI

We give an estimate for the error of Lp approximation by reciprocals of polynomials. These estimates are the analogues of the Jackson and Ditzian - Totik estimates for polynomial approximation.
DOI : 10.4153/CMB-1990-075-1
Mots-clés : 41A25, 41A20 
Devore, Ronald A.; Leviatan, D.; Yu, Xiang Ming. LP Approximation by Reciprocals of Trigonometric and Algebraic Polynomials. Canadian mathematical bulletin, Tome 33 (1990) no. 4, pp. 460-469. doi: 10.4153/CMB-1990-075-1
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     author = {Devore, Ronald A. and Leviatan, D. and Yu, Xiang Ming},
     title = {LP {Approximation} by {Reciprocals} of {Trigonometric} and {Algebraic} {Polynomials}},
     journal = {Canadian mathematical bulletin},
     pages = {460--469},
     year = {1990},
     volume = {33},
     number = {4},
     doi = {10.4153/CMB-1990-075-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-075-1/}
}
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