Jia, Man; Zhu, Yucan The operator combination of two \(K\)-frames in Hilbert spaces. (Chinese. English summary) Zbl 1438.42066 J. Fuzhou Univ., Nat. Sci. 47, No. 2, 153-156 (2019). MSC: 42C15 46C15 PDFBibTeX XMLCite \textit{M. Jia} and \textit{Y. Zhu}, J. Fuzhou Univ., Nat. Sci. 47, No. 2, 153--156 (2019; Zbl 1438.42066) Full Text: DOI
Jia, Man; Zhu, Yu-Can Some results about the operator perturbation of a \(K\)-frame. (English) Zbl 1400.42040 Result. Math. 73, No. 4, Paper No. 138, 11 p. (2018). MSC: 42C15 42C99 47A55 PDFBibTeX XMLCite \textit{M. Jia} and \textit{Y.-C. Zhu}, Result. Math. 73, No. 4, Paper No. 138, 11 p. (2018; Zbl 1400.42040) Full Text: DOI