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Petr Tichý Department of Numerical Mathematics Faculty of Mathematics and Physics Charles University address:   MFF UK   Sokolovska 83   18675 Praha 8   Czech Republic email:   phone:   (+420) 951 553 391 room:   K 484, 4th floor profiles:  Google scholar   ORCID   MathSciNet   WoS   Zentralblatt MATH   Scopus

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Submitted. G. Meurant and P. Tichý, New block minimum residual algorithms for symmetric positive definite linear systems with multiple right-hand sides, submitted on October 6, 2026. Accepted. G. Meurant and P. Tichý, Dubrulle's variant of the block conjugate gradient algorithm, accepted for publication in SIMAX on October 2, 2026. Paper. V. Faber, J. Liesen, and P. Tichý, Matrix best approximation in the spectral norm, Linear Algebra and its Applications, Vol. 733, pp. 178--204, 2026. Paper. G. Meurant, J. Papež, and P. Tichý, Block conjugate gradient methods with error norm estimates for least squares problems, BIT Numerical mathematics, Vol. 66(2), 2026.