Research
Publications:
Isotropy indices of Pfister multiples in characteristic two (with Nico Lorenz), preprint. arXiv
Vishik equivalence and similarity of p-forms and totally singular quadratic forms, preprint. arXiv
Isotropy and full splitting pattern of quasilinear p-forms, submitted. arXiv
Isotropy of quadratic forms over function fields in characteristic 2, to appear in Comm. Algebra. arXiv
Composition of Bhargava's Cubes over Number Fields, Expo. Math., 41.4 (2023) arXiv, DOI
Integers represented by ternary quadratic forms (with B. Faye, L. Matthiesen, D. Schindler and M. Tinková), published in Women in Numbers Europe III: Research Directions in Number Theory (2021), 207–231. Springer, DOI
Composition of Binary Quadratic Forms over Number Fields, published in Math. Slovaca, 71(6) (2021), 1339–1360. arXiv, DOI
There are no universal ternary quadratic forms over biquadratic fields (with J. Krásenský and M. Tinková), published in Proc. Edinburgh Math. Soc., 63(3) (2020), 861–912. arXiv, DOI
Quadratic extensions of cyclotomic number fields and a conjecture of Ciolan and Neiss (with P. Moree and C. Pagano), in preparation
Universal quadratic forms and indecomposables over biquadratic fields (with M. Čech, D. Lachman, J. Svoboda, M. Tinková), published in Math. Nachr. 292 (2019), 540–555. arXiv, DOI
Talks:
Isotropy of quadratic forms in characterictic two, PIMS Postdoctoral Fellow Seminar
Equivalence relations of quadratic forms, mainly in characteristic two, Number theory lunch seminar, MPIM Bonn, Germany
Isotropy of quadratic forms over function fields, University of Antwerp, Belgium
Equivalence relations of quadratic forms in characteristic two, Oberseminar Algebra und Geometrie, Dortmund, Germany (online) -- presentation, video recording
Isotropy of quadratic forms in characteristic two, Autumn School of Algebra (organized by the Department of Algebra at the Charles University) -- presentation
Guest lecture on quadratic forms in characteristic two, Charles University, Prague, Czech Republic (online) -- presentation
Non-normal number fields, Number Theory Seminar, Prague, Czech Republic
Composition of quadratic forms over number fields, Oberseminar Algebra und Geometrie, Dortmund, Germany
Composition of quadratic forms over number fields, Number Theory Seminar, Prague, Czech Republic
Composition of binary quadratic forms, 20th International Workshop for Young Mathematicians "Number Theory", Kraków, Poland
The existence of the Euclidean norm in quadratic number fields, Number Theory Seminar, Prague, Czech Republic
Conferences, summer schools & workshops:
Young Number Theorists in Bonn, MPIM, Bonn, Germany
ALGAR 2023: Local-global principles for quadratic forms, University of Antwerp, Belgium
Motives in Ratisbona, University of Regensburg, Germany
ALGAR 2022: Constructive mathematics, University of Antwerp, Belgium
ALGAR 2021: Systems of quadratic forms over arithmetic fields, University of Antwerp, Belgium
ALGAR 2020: Valuations, quadratic forms and definability, digital edition
Women in Numbers Europe 3, Rennes, France
ALGAR 2019: Algebras with involution, University of Antwerp, Belgium
Quadratic Forms and Axial Algebras, Lens, France
ALGAR 2018: Sums of squares in fields, University of Antwerp, Belgium
20th International Workshop for Young Mathematicians "Number Theory", Kraków, Poland
ICCGNFRT 2017, Prayagraj (Allahabad), India
Some other texts:
Equivalence relations of quadratic forms in characteristic 2 and quasilinear p-forms, 2022, Dissertation, supervisor D. W. Hoffmann. DOI
Composition of Quadratic Forms over Number Fields, 2018, Master thesis, supervisor V. Kala
Introduction to Witt vectors, 2016, semester project in Commutative algebra (from Barcelona)
Norm-euclidean quadratic extensions of the field of rational numbers, 2015, undergraduate thesis, supervisor J. Šaroch (in czech)