Tautenhahn, U.; Hämarik, U.; Hofmann, B.; Shao, Y. Conditional stability estimates for ill-posed PDE problems by using interpolation. (English) Zbl 1280.35168 Numer. Funct. Anal. Optim. 34, No. 12, 1370-1417 (2013). MSC: 35R25 35R30 65J20 65J22 65M30 65M32 PDFBibTeX XMLCite \textit{U. Tautenhahn} et al., Numer. Funct. Anal. Optim. 34, No. 12, 1370--1417 (2013; Zbl 1280.35168) Full Text: DOI Link
Hämarik, U.; Raus, T. About the balancing principle for choice of the regularization parameter. (English) Zbl 1188.65078 Numer. Funct. Anal. Optim. 30, No. 9-10, 951-970 (2009). Reviewer: Jiří Vaníček (Praha) MSC: 65J20 47A52 65J10 PDFBibTeX XMLCite \textit{U. Hämarik} and \textit{T. Raus}, Numer. Funct. Anal. Optim. 30, No. 9--10, 951--970 (2009; Zbl 1188.65078) Full Text: DOI
Hämarik, U.; Palm, R.; Raus, T. On minimization strategies for choice of the regularization parameter in ill-posed problems. (English) Zbl 1189.65123 Numer. Funct. Anal. Optim. 30, No. 9-10, 924-950 (2009). Reviewer: Jiří Vaníček (Praha) MSC: 65J20 47A52 65J10 PDFBibTeX XMLCite \textit{U. Hämarik} et al., Numer. Funct. Anal. Optim. 30, No. 9--10, 924--950 (2009; Zbl 1189.65123) Full Text: DOI
Nashed, Z.; Hämarik, U.; Karma, O.; Miidla, P.; Pedas, A.; Tamme, E. A tribute to Gennadi Vainikko. (English) Zbl 1181.49001 Numer. Funct. Anal. Optim. 30, No. 9-10, 896-902 (2009). MSC: 49-03 47-03 90-03 65-03 01A70 PDFBibTeX XMLCite \textit{Z. Nashed} et al., Numer. Funct. Anal. Optim. 30, No. 9--10, 896--902 (2009; Zbl 1181.49001) Full Text: DOI
Hämarik, Uno (ed.); Pedas, Arvet (ed.) Special issue: Tribute to Gennadi Vainikko. Selected papers based on the presentations at the 13th international conference Mathematical modelling and analysis (MMA 2008), and the 3rd international conference Approximation methods and orthogonal expansions (AMOE2008), Tartu, Estonia, June 4–7, 2008. The conference is dedicated to the 70th birthday of Professor Gennadi Vainikk. (English) Zbl 1198.65012 Numer. Funct. Anal. Optim. 30, No. 9-10, 895-1172 (2009). MSC: 65-06 65Jxx 00B25 PDFBibTeX XML
Plato, R.; Hämarik, U. On pseudo-optimal parameter choices and stopping rules for regularization methods in Banach spaces. (English) Zbl 0865.65039 Numer. Funct. Anal. Optimization 17, No. 1-2, 181-195 (1996). Reviewer: M.Z.Nashed (Newark/Delaware) MSC: 65J10 45B05 65R20 65R30 47A50 65J20 PDFBibTeX XMLCite \textit{R. Plato} and \textit{U. Hämarik}, Numer. Funct. Anal. Optim. 17, No. 1--2, 181--195 (1996; Zbl 0865.65039) Full Text: DOI