Selected books
- Leokadia Białas-Cież, Grzegorz Lewicki, Tomasz Kobos, „Podstawy teorii aproksymacji w zadaniach”, PWN, 2022
Most significant publications
- Grzegorz Lewicki, Michael Prophet, The Chalmers-Metcalf operator and minimal extensions, Journal of Functional Analysis 280 (2021), 108800
- Grzegorz Lewicki, Mieczyslaw Mastylo, Asymptotic behaviour of factorization and projection constants, Journal of Geometric Analysis 27 (2017), 335-365
- Bruce Chalmers, Grzegorz Lewicki, A proof of the Grunbaum conjecture, Studia Mathematica 200 (2) (2010), 103-129
- Bruce Chalmers, Grzegorz Lewicki, Three-dimensional subspace of $ l_{infty}^{(5)}$ with maximal projection constant, Journal of Functional Analysis 257 (2009), 553-592
- Grzegorz Lewicki, Minimal projections onto two-dimensional subspaces of $lsp {(4)}sb infty$, J. APPROX. THEORY 88 (1997), no. 1, 92--108
Recent publications
- Tomasz Kobos, Grzegorz Lewicki, On the dimension of the set of minimal projections, Journal of Mathematical Analysis and Applications 529 (2024),
- Tomasz Kania, Grzegorz Lewicki, A forgotten theorem of Pełczyński: (λ+)-injective spaces need not be λ-injective—the case λ∈(1,2], Studia Mathematica 268 (2023), 311-317
- Tomasz Kania, Dongyang Chen, Yingbin Ruan, Quantifying properties (K) and (μ^s), Mathematische Nachrichten 296 (2023), 996-1012
- Grzegorz Lewicki, Maciej Ciesielski, Some remarks on contractive and existence sets, Monatshefte für Mathematik 200,1 (2022), 1–21
- Grzegorz Lewicki, Michael Prophet, Codimension 1 minimal projections onto the lines in L^p, Journal of Approximation Theory 283 (2022), 16
Interests
Functional Analysis
Approximation Theory
Minimal Projections
Tennis
Chess
Major awards and honours
- Krzyż Kawalerski Orderu Odrodzenia Polski, 2017, Prezydent Rzeczypospolitej Polskiej
![avatar for Grzegorz Lewicki](http://apacz.matinf.uj.edu.pl/images/photos/244.jpg?1721107182)
Grzegorz Lewicki
academic degree/title Professor positionresearch and faculty staff member group, professor
unit
- Department of Approximation Theory
- Institute of Mathematics
grzegorz.lewicki@uj.edu.pl