q-Taylor theorems, polynomial expansions, and interpolation of entire functions

q-Taylor theorems, polynomial expansions, and interpolation of entire functions
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DOI:
10.1016/s0021-9045(03)00076-5
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发表时间:
2003-07
期刊:
J. Approx. Theory
影响因子:
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通讯作者:
M. Ismail;D. Stanton
M. Ismail;D. Stanton
中科院分区:
其他
文献类型:
--
作者:
M. Ismail;D. Stanton

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对于有界区域内解析的函数和最大模M(r;f)满足的整函数,我们建立了泰勒级数展开式在特殊多项式基上的q-类似|ln M(r;f)|2012年12月这解决了从[aqn+q−n/a]/2处的值构造这样的整函数的问题,其中0<q<1。我们的技术是建设性的,并给出了一个明确的表示所寻求的整个功能。q-系列身份的应用。
We establish q-analogues of Taylor series expansions in special polynomial bases for functions analytic in bounded domains and for entire functions whose maximum modulus M(r;f) satisfies | ln M(r;f)|⩽A ln2r . This solves the problem of constructing such entire functions from their values at [aqn+q−n/a]/2, for 0<q<1. Our technique is constructive and gives an explicit representation of the sought entire function. Applications to q-series identities are given.