Title of article
On a discrete norm for polynomials
Author/Authors
Fournier، نويسنده , , R. and Ruscheweyh، نويسنده , , S. and Salinas C.، نويسنده , , L.، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2012
Pages
9
From page
425
To page
433
Abstract
Given n + 1 angles 0 ≤ θ 0 < θ 1 ⋯ < θ n ≤ π , we discuss various extremal problems over the class of polynomials P n endowed with the norm | p | n = max 0 ≤ j ≤ n | p ( e i θ j ) + p ( e − i θ j ) 2 | .
Keywords
Discrete norms , Interpolation , Discrete type Bernstein and Markov inequalities
Journal title
Journal of Mathematical Analysis and Applications
Serial Year
2012
Journal title
Journal of Mathematical Analysis and Applications
Record number
1563080
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