Title of article :
Strong converse inequality for left Bernstein quasi-interpolants
Author/Authors :
Guo، نويسنده , , Shunsheng and Zhang، نويسنده , , Gengsheng and Liu، نويسنده , , Guofen، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Abstract :
For the Bernstein left quasi-interpolants B n ( 2 r − 1 ) f , we prove that for some k ω φ 2 r ( f , 1 n ) ≤ C ( ‖ B n ( 2 r − 1 ) f − f ‖ + ‖ B k n ( 2 r − 1 ) f − f ‖ ) . This is a strong converse inequality of type B.
Keywords :
Bernstein left quasi-interpolants , Strong converse inequality , Bernstein operator , Modulus of smoothness , K -functional
Journal title :
Applied Mathematics Letters
Journal title :
Applied Mathematics Letters
