Grzegorz Lewicki

13 papers Journal 13

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	2-strong uniqueness of a best approximation and of minimal projections in complex polytope norms and their duals. J. Approx. Theory Tomasz Kobos, Grzegorz Lewicki
2024	J	`jnl`	Minimal projections onto subspaces generated by sign-matrices. J. Approx. Theory Beata Deregowska, Barbara Lewandowska, Grzegorz Lewicki
2022	J	`jnl`	Codimension 1 minimal projections onto the lines in Lp. J. Approx. Theory Grzegorz Lewicki, Michael Prophet
2016	J	`jnl`	Bernstein's Lethargy Theorem in Fréchet spaces. J. Approx. Theory Asuman Güven Aksoy, Grzegorz Lewicki
2016	J	`jnl`	Minimal projections onto hyperplanes in. J. Approx. Theory Grzegorz Lewicki, Leslaw Skrzypek
2012	J	`jnl`	Codimension-one minimal extensions onto Haar subspaces. J. Approx. Theory Grzegorz Lewicki, Agnieszka Micek
2010	J	`jnl`	Equality of two strongly unique minimal projection constants. J. Approx. Theory Grzegorz Lewicki, Agnieszka Micek
2010	J	`jnl`	Minimal shape-preserving projections in tensor product spaces. J. Approx. Theory Grzegorz Lewicki, Michael Prophet
2007	J	`jnl`	Chalmers-Metcalf operator and uniqueness of minimal projections. J. Approx. Theory Grzegorz Lewicki, Leslaw Skrzypek
2004	J	`jnl`	Approximation of functions of finite variation by superpositions of a Sigmoidal function. Appl. Math. Lett. Grzegorz Lewicki, Giuseppe Marino
2004	J	`jnl`	Codimension-one minimal projections onto Haar subspaces. J. Approx. Theory Grzegorz Lewicki, Michael Prophet
2004	J	`jnl`	One-complemented subspaces of Musielak-Orlicz sequence spaces. J. Approx. Theory James E. Jamison, Anna Kaminska, Grzegorz Lewicki
1991	J	`jnl`	The convergent method of constructing polynomial discriminant functions for pattern recognition. Pattern Recognit. Mariusz Flasinski, Grzegorz Lewicki