HADAMARD PRODUCTS AND QK SPACES
HADAMARD PRODUCTS AND QK SPACES
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DOI:
10.1016/j.jmaa.2007.04.020
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发表时间:
2008-01
影响因子:
1.3
通讯作者:
H. Wulan;Yanhua Zhang
中科院分区:
文献类型:
--
作者:
H. Wulan;Yanhua Zhang
Let f(z)=∑n=0∞anznand g(z)=∑n=0∞bnznbe analytic in the unit disk. The Hadamard product of f and g is defined by f∗g(z)=∑n=0∞anbnzn. This paper gives some characterizations of functions in QKspaces in terms of the Hadamard products.