mgr Beata Deręgowska

Jednostki:

  • Wydział Matematyki i Informatyki UJ
  • Instytut Matematyki
  • Katedra Teorii Aproksymacji

Doktorat  Otwarcie: 2013-06-27, Zamknięcie: 2015-11-26

Publikacje:

9.
Beata Deręgowska, Simon Foucart, Barbara Lewandowska
When is a subspace of l_\infty^N isometrically isomorphic to l_\infty^n ?, Linear Algebra and Its Applications vol. 733 (2026), 171-177
8.
Beata Deręgowska, Barbara Lewandowska, Grzegorz Lewicki
Minimal projections onto subspaces generated by sign-matrices, Journal of Approximation Theory vol. 304 (2024), id. 106084
7.
Beata Deręgowska, Barbara Lewandowska
A simple proof of the Grünbaum conjecture, Journal of Functional Analysis vol. 285(2) (2023), id. 109950
6.
Beata Deręgowska, Matthew Fickus, Simon Foucart, Barbara Lewandowska
On the value of the fifth maximal projection constant, Journal of Functional Analysis vol. 283(10) (2022), id. 109634
5.
Beata Deręgowska, Simon Foucart, Barbara Lewandowska, Leslaw Skrzypek
On the norms and minimal properties of de la Vallée Poussin’s type operators, Monatshefte für Mathematik vol. 185(4) (2018), 601-619
4.
Beata Deręgowska, Barbara Lewandowska
Minimal projections onto hyperplanes in vector-valued sequence spaces, Journal of Approximation Theory vol. 194 (2015), 1-13
3.
Beata Deręgowska, Barbara Lewandowska
On the minimal property of de la Vallee Poussin's operator, Bulletin of the Australian Mathematical Society vol. 91(1) (2015), 129-133
2.
Beata Deręgowska, Barbara Lewandowska
A note on generalized projections in c_0, Annales Polonici Mathematici vol. 111(1) (2014), 59-72
1.
Beata Deręgowska, Barbara Lewandowska
On the Unique Minimality of the Fourier Projection in L_p Spaces, Numerical Functional Analysis and Optimization vol. 34 (1) (2013), 1-15