Universal series in ∧p>1lp

被引:5
作者
Koumandos, S. [1 ]
Nestoridis, V. [3 ]
Smyrlis, Y. -S. [1 ]
Stefanopoulos, V. [2 ]
机构
[1] Univ Cyprus, Dept Math & Stat, CY-1678 Nicosia, Cyprus
[2] Univ Aegean, Dept Math, Karlovassi 83200, Samos, Greece
[3] Univ Athens, Dept Math, Athens 15784, Greece
关键词
TRIGONOMETRIC SERIES; DIRICHLET SERIES; ABSTRACT THEORY;
D O I
10.1112/blms/bdp102
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper an abstract condition is given yielding universal series defined by sequences a = {a(j)}infinity j=1 in boolean AND(p > 1)l(p) but not in l(1). We obtain a unification of some known results related to approximation by translates of specific functions including the Riemann zeta-function, or a fundamental solution of a given elliptic operator in R-nu with constant coefficients or an approximate identity as, for example, the normal distribution. Another application gives universal trigonometric series in R-nu simultaneously with respect to all sigma-finite Borel measures in R-nu. Stronger results are obtained by using universal Dirichlet series.
引用
收藏
页码:119 / 129
页数:11
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