Wizytówka - Wydział Matematyki i Informatyki

Recent publications

  • Tomasz Kowalczyk, Julian Vill, On higher Pythagoras numbers of real polynomial rings, Indiana University Mathematics Journal (2025),
  • Tomasz Kowalczyk, Piotr Miska, On Waring numbers of henselian rings, Mathematika 70 (4) (2024), pp. 28, article no. e12276
  • Tomasz Kowalczyk, Kacper Błachut, Sums of squares on hypersurfaces, Results in Mathematics 79 (2024), article number 90
  • Juliusz Banecki, Tomasz Kowalczyk, Sums of even powers of k-regulous functions, Indagationes Mathematicae 34 (2023), 477-487
  • Tomasz Kowalczyk, Blown-up Cech Cohomology and Cartan's Theorem B on Real Algebraic Varieties, International Journal of Mathematics 30 (2019), 1950042

Interests

Pythagoras numbers, k-regulous functions, sums of even powers in rings.

Other:board games and crocheting.

avatar for Tomasz Kowalczyk

Tomasz Kowalczyk

academic degree/title Doctor of Philosophy (PhD) position
research and faculty staff member group, assistant professor
unit
  • Department of Singularity Theory
  • Institute of Mathematics
ORCID contact
tomek.kowalczyk@uj.edu.pl