Khukhro, Ana; Li, Kang; Vigolo, Federico; Zhang, Jiawen On the structure of asymptotic expanders. (English) Zbl 1487.46051 Adv. Math. 393, Article ID 108073, 35 p. (2021). MSC: 46H35 19K56 20F65 51F30 05C48 PDFBibTeX XMLCite \textit{A. Khukhro} et al., Adv. Math. 393, Article ID 108073, 35 p. (2021; Zbl 1487.46051) Full Text: DOI arXiv
Gutkin, Eugene; Życzkowski, Karol Joint numerical ranges, quantum maps, and joint numerical shadows. (English) Zbl 1266.15034 Linear Algebra Appl. 438, No. 5, 2394-2404 (2013). Reviewer: Alexey Alimov (Moskva) MSC: 15A60 47A12 81P16 51M15 47B15 81P45 PDFBibTeX XMLCite \textit{E. Gutkin} and \textit{K. Życzkowski}, Linear Algebra Appl. 438, No. 5, 2394--2404 (2013; Zbl 1266.15034) Full Text: DOI arXiv
Chalmers, B. L.; Shekhtman, B. Spectral properties of operators that characterize \(\ell_\infty^{(n)}\). (English) Zbl 0983.46010 Abstr. Appl. Anal. 3, No. 3-4, 237-246 (1998). Reviewer: A.C.Thompson (Halifax) MSC: 46B07 46B25 46B20 51M20 46A22 PDFBibTeX XMLCite \textit{B. L. Chalmers} and \textit{B. Shekhtman}, Abstr. Appl. Anal. 3, No. 3--4, 237--246 (1998; Zbl 0983.46010) Full Text: DOI EuDML Link