) where 1 <
p
≦
q
< ∞ was investigated. These results has been generalized to the two-dimensional case and applied to obtain generalizations of the Bernstein inequality for trigonometric polynomials of one and two variables. Also, the rates of convergence of Cesaro and Abel-Poisson means of functions
f
∈
Lwp
(
) has been estimated in the case
p
=
q
and
υ
≡
w
. The generalized Bernstein inequality applied to estimate the order of best trigonometric approximation of the derivative of functions
f
∈
Lwp
(
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Studia Scientiarum Mathematicarum Hungarica
Language
English
French
German
Size
B5
Year of
Foundation
1966
Volumes
per Year
1
Issues
per Year
4
Founder
Magyar Tudományos Akadémia
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher
Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.