A Cohen type inequality for polynomial expansions associated with the measure $(1-x)^alpha (1+x)^eta dx+Mdelta_{-1}+Ndelta_1$}

Journal of Mathematical Sciences

Fejzullahu, Bujar Xh.¹ 

关键词: Jacobi polynomials;    Koornwinder's Jacobi-type polynomials;    polynomial expansions;    Cohen type inequality.;   

DOI  :  

学科分类：数学（综合）

来源: University of Tokyo * Department of Mathematical Sciences

【 摘 要 】

ThepurposeofthispaperistoestablishaCohentypeinequalityforFourierexpansionwithrespecttopolynomialsassociatedwiththemeasure$(1-x)^alpha(1+x)^etadx+Mdelta_{-1}+Ndelta_1,$where$delta_t$isthedeltafunctionatapoint$t$and$M,Ngeq0.$

【 授权许可】

Unknown