The exact constant in Jackson inequalities for second degree continuity modulein Hardyspace
published by Tishreen University
in 2016
in Mathematics
and research's language is
العربية
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Abstract in English
Will be proved the sharp inequality
Where for function in space second degree continuity module
will be proved the inequality : for any and
will be proved the theory : for any natural number we obtain
References used
KORNEICHUK ,N.Exact constants in approximation theory. first published,Cambridge university, Great Britain,1991 ,pp450
KOLMOGOROFF,A,N.Uber die beste Annaherung von Funktioneniner gegebenen. Funktionenklasse Annals of Math, T.37.,1936 ,pp107-111
LIANHONG,Y.; Liu YONGPING. L. Relative widths of smooth functions determined by linear differential operator . VOL.351, Journal of Mathematical Analysis and Applications,2009, pp 734-746