机构:
Shangrao Normal Univ, Coll Math & Comp Sci, Shangrao 334001, Jiangxi, Peoples R ChinaShangrao Normal Univ, Coll Math & Comp Sci, Shangrao 334001, Jiangxi, Peoples R China
Xiang, Zhong-Qi
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机构:
[1] Shangrao Normal Univ, Coll Math & Comp Sci, Shangrao 334001, Jiangxi, Peoples R China
We obtain a new inequality for frames in Hilbert spaces associated with a scalar and a bounded linear operator induced by two Bessel sequences. It turns out that the corresponding results due to Balan et al. and Gavruta can be deduced from our result.
机构:
Univ Isfahan, Fac Math & Stat, Dept Pure Mathematis, Esfahan 8174673441, IranUniv Isfahan, Fac Math & Stat, Dept Pure Mathematis, Esfahan 8174673441, Iran
Abtahi, F.
Kamali, Z.
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机构:
Islamic Azad Univ, Dept Math, Isfahan Khorasgan Branch, Esfahan, IranUniv Isfahan, Fac Math & Stat, Dept Pure Mathematis, Esfahan 8174673441, Iran
Kamali, Z.
Keyshams, Z.
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Univ Isfahan, Fac Math & Stat, Dept Pure Mathematis, Esfahan 8174673441, IranUniv Isfahan, Fac Math & Stat, Dept Pure Mathematis, Esfahan 8174673441, Iran