Geodesic
QC-norm of trigonometric polynomials of special form
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 2 (2015), pp. 46-49 
A. O. Radomskii. QC-norm of trigonometric polynomials of special form. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 2 (2015), pp. 46-49. http://geodesic.mathdoc.fr/item/VMUMM_2015_2_a8/
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     title = {QC-norm of trigonometric polynomials of special form},
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Voir la notice de l'article provenant de la source Math-Net.Ru

We estimate the QC norm introduced by B. S. Kashin and V. N. Temlyakov for trigonometric polynomials of special type. This result generalizes the example of K. I. Oskolkov.

[1] Kashin B.S., Temlyakov V.N., “Ob odnoi norme i approksimatsionnykh kharakteristikakh klassov funktsii mnogikh peremennykh”, Metricheskaya teoriya funktsii i smezhnye voprosy analiza, Sb. statei, posvyasch. semidesyatiletiyu P. L. Ulyanova, AFTs, M., 1999, 69–99

[2] Kashin B.S., Saakyan A.A., Ortogonalnye ryady, 2-e izd., dop., AFTs, M., 1999