70 citations · 280 across the 24 of their papers we have counts for
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math.FA2019★ 7 cited
On a characterization of Riesz bases via biorthogonal sequences
Diana T. Stoeva
It is well known that a sequence in a Hilbert space is a Riesz basis if and only if it is a complete Bessel sequence with biorthogonal sequence which is also a complete Bessel sequ…
math.FA2019
Localization of Fréchet frames and expansion of generalized functions
Stevan Pilipović, Diana T. Stoeva
Matrix type operators with the off-diagonal decay of polynomial or sub-exponential types are revisited with weaker assumptions concerning row or column estimates, still giving the…