Chelidze, George; Chobanyan, Sergei; Giorgobiani, George; Kvaratskhelia, Vakhtang Greedy algorithm fails in compact vector summation. (English) Zbl 1234.90023 Bull. Georgian Natl. Acad. Sci. (N.S.) 4, No. 2, 5-7 (2010). MSC: 90C47 PDFBibTeX XMLCite \textit{G. Chelidze} et al., Bull. Georgian Natl. Acad. Sci. (N.S.) 4, No. 2, 5--7 (2010; Zbl 1234.90023)
Vakhania, Nikoloz; Kvaratskhelia, Vakhtang On unconditional convergence of series in Banach spaces with unconditional basis. (English. Georgian summary) Zbl 1191.46019 Bull. Georgian Natl. Acad. Sci. (N.S.) 3, No. 1, 20-24 (2009). Reviewer: Vladimir Kadets (Kharkov) MSC: 46B42 26B15 46B20 PDFBibTeX XMLCite \textit{N. Vakhania} and \textit{V. Kvaratskhelia}, Bull. Georgian Natl. Acad. Sci. (N.S.) 3, No. 1, 20--24 (2009; Zbl 1191.46019)