과제정보
We thank Ole Christensen for corrections in Theorem 3.1 and Corollary 3.1.
참고문헌
- O. Christensen, An Introduction to Frames and Riesz Bases, second edition, Applied and Numerical Harmonic Analysis, Birkhauser/Springer, 2016. https://doi.org/10.1007/978-3-319-25613-9
- C. Kubrusly, The Elements of Operator Theory, second edition, Birkhauser/Springer, New York, 2011. https://doi.org/10.1007/978-0-8176-4998-2
- C. Kubrusly and N. Levan, Biisometric operators and biorthogonal sequences, Bull. Korean Math. Soc. 56 (2019), no. 3, 585-596. https://doi.org/10.4134/BKMS.b180242