Dr Rosa Winter

Publications

Preprints

• [10] Generalized Eckardt points on del Pezzo surfaces of degree 1 (with J. Desjardins, Y. Fu and K. Isham). Submitted.
  Link to arXiv (2024).
• [9] Weak weak approximation and the Hilbert property for degree-two del Pezzo surfaces (with J. Demeio and S. Streeter). Submitted.
  Link to arXiv (2023).
• [8] Campana points on diagonal hypersurfaces (with F. Balestrieri, J. Brandes, M. Kaesberg, M. Pieropan, and J. Ortmann). Accepted for publication in Women in Numbers Europe 4 - Research Directions in Number Theory..
  Link to arXiv (2023).
• [7] Torsion points and concurrent exceptional curves on del Pezzo surfaces of degree one (with J. Desjardins). Submitted.
  Link to arXiv (2022), and magma code.
   

Published

• [6] Recovery from Power Sums (with B. Sturmfels and H. Melánová). Experimental Mathematics (2022).
  Link to the journal (open access).
• [5] Density of rational points on a family of del Pezzo surfaces of degree one (with J. Desjardins). Advances in Mathematics, Vol 405 (2022).
  Link to the journal (open access), and magma code.
• [4] Linear Spaces of Symmetric Matrices with Non-Maximal Maximum Likelihood Degree (with Y. Jiang and K. Kohn). Le Matematiche, Vol 76 No 2 (2021), pp. 461-481.
  Link to the journal (open access).
• [3] Fields of definition of elliptic fibrations on covers of certain extremal rational ellipic surfaces (with V. Cantoral-Farfán, A. Garbagnati, C. Salgado, and A. Trbović). Women in Numbers Europe III: Research Directions in Number Theory. Springer, Association for Women in Mathematics Series, Vol 24 (2021), pp. 171-205.
  Link to the book, and to the accepted version on arXiv.
• [2] Concurrent exceptional curves on del Pezzo surfaces of degree one (with R. van Luijk). Mathematics of Computation, Vol 92 (2023), pp. 451-481.
  Link to the journal, and to the accepted version on arXiv, with magma code 1 and magma code 2.
• [1] The action of the Weyl group on the E₈ root system (with R. van Luijk). Graphs and Combinatorics, Vol 37 No 6 (2021), pp. 1965-2064.
  Link to the journal (open access), and to the accepted version on arXiv, with magma code.
   

Theses

• PhD thesis: Geometry and arithmetic of del Pezzo surfaces of degree 1 (2021).
• Master thesis: Concurrent exceptional curves on del Pezzo surfaces of degree one (2014).
• Bachelor thesis: Elliptic curves over Q_p (2011).
   

• 21/09/2023 An Afternoon of Diophantine Geometry, University of Manchester.
• 23/07/2023 Rational Points 2023, Franken-Akademie Schloss, Schney.
• 19/06/2023 Number Theory Seminar, Georg-August-Universität Göttingen.
• 12/06/2023 Foundations of Computational Mathematics 2023, Computational Number Theory workshop, Paris.
• 12/05/2023 Seminar Variétés Rationnelles, Sorbonne Université, Paris.
• 15/02/2023 Heilbronn Seminar, University of Bristol.
• 09/01/2023 Great Western Number Theory seminar, University of Oxford.
• 12/12/2022 The Advent of Rational Points, King's College London.
• 22/11/2022 Cambridge Number Theory Seminar, University of Cambridge.
• 14/11/2022 Number Theory Seminar, University of Warwick.
• 7/10/2022 Workshop on Solving Polynomial Equations and Applications, CWI, Amsterdam.
• 21/09/2022 Seminar in coding theory and cryptography, Université de Neuchâtel.
• 27/05/2022 Symbolic Computation Istanbul Meetings, Istanbul.
• 26/04/2022 Rational Points on Higher-Dimensional Varieties, ICMS, Edinburgh.
• 16/03/2022 Number/Representation Theory seminar (online), University of Toronto.
• 03/03/2022 Number Theory Seminar, University of Oxford.
• 02/03/2022 AGNT Seminar (online), Rice University, Houston.
• 04/02/2022 Algebra & Number Theory Seminar, Queen Mary University of London.
• 17/11/2021 London Number Theory Seminar, Imperial College London.
• 11/11/2021 Zoom Algebraic Geometry Seminar (ZAG).
• 07/07/2021 Browning group working seminar (online), IST Austria, Vienna.
• 22/06/2021 Nonlinear Algebra Seminar, MPI-MiS, Leipzig.
• 25/02/2021 Number Theory Seminar (online), University of California Irvine.
• 19/02/2021 Zoom On Rational Points (ZORP).
• 02/02/2021 Nonlinear Algebra Seminar Online, MPI-MiS Leipzig.
• 17/12/2020 Séminaire Arithmétique et Théorie de l’Information (online), Aix-Maseille Université.
• 11/11/2020 Algebra Seminar (online), Rijksuniversiteit Groningen.
• 29/10/2020 Quarantined Number Theory and Algebraic Geometry Seminar (online), Simon Fraser University.
• 22/09/2020 Arithmetic Geometry Seminar (online), Ohio State University.
• 03/06/2020 PhD colloquium (online), Universiteit Leiden.
• 14/04/2020 Nonlinear Algebra Seminar Online, MPI-MiS Leipzig.
• 26/02/2020 Heilbronn Number Theory Seminar, University of Bristol.
• 07/02/2020 Intercity Number Theory Seminar, Universiteit Leiden.
• 18/12/2019 Seminario di Natale, Università degli Studi di Milano.
• 11/12/2019 Number Theory Seminar, Københavns Universitet.
• 06/03/2019 Number/Representation Theory seminar, University of Toronto.
• 26/06/2018 Konstanz Women in Mathematics lecture series, Universität Konstanz.
• 31/05/2018 Bernoullis Tafelrunde Graduate Student Seminar, Universität Basel.
• 18/06/2018 Poster at GAeL XXVI, Université de Strasbourg.
• 21/03/2018 Counting Curves, Tropical Geometry Seminar, Universiteit Leiden.
• 11/09/2017 Poster at Diophantine problems (DIOP), University of Manchester.
• 07/07/2017 Research talk at XXX-èmes Journées Arithmétiques, Université de Caen Normandie.
• 15/02/2017 Introduction to local-global principles: the Hasse principle and weak approximation, Seminar 'Obstructions to local-global principles', Universiteit Leiden.
• 02/11/2016 Isogenies, Seminar 'Good reduction of Abelian Varieties', University of Amsterdam.