On Sign Changes in Weighted Polynomial L^1 -Approximation |
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Authors: | H-P Blatt R Grothmann R K Kovacheva |
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Institution: | (1) KATHOLISCHE UNIVERSITÄT EICHSTÄTT MATHEMATISCH-GEOGRAPHISCHE FAKULTÄT, D-85071 EICHSTÄTT E-mail |
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Abstract: | For
denote by
a polynomial of best weighted
-approximation to
on
of degree
. In the present paper, we are dealing with the asymptotic distribution of sign changes of the error functions
. |
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Keywords: | sign changes best weighted approximation counting measure |
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