A lower bound for the projection constant of \(II_ 2\) (Q1109249)
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scientific article; zbMATH DE number 4069490
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A lower bound for the projection constant of \(II_ 2\) |
scientific article; zbMATH DE number 4069490 |
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A lower bound for the projection constant of \(II_ 2\) (English)
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1987
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Let \(II_ n\) denote the space of polynomials of degree not greater than n, regarded as a subspace of C[-1,1]. The exact projection constant of \(II_ 2\) remains unknown. In this note the author shows that the constant is not less then 1.2158.
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projection constant
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