InstituteTeam
Judith Ortmann
Consultation hours

By arrangement by email

Main focus in research and teaching

  • Number Theory
  • Rational and Integral Points on algebraic varieties

Research

  • Publications

    Campana points on diagonal hypersurfaces (Preprint)
    with Francesca Balestrieri, Julia Brandes, Miriam Kaesberg, Marta Pieropan, Rosa Winter
    Accepted for Publication in Women in Numbers Europe 4 - Research Directions in Number Theory
    arXiv:2302.08164, 2023

    Integral Points on a del Pezzo Surface over Imaginary Quadratic Fields (Preprint)
    arXiv:2307.12877, 2023

  • Talks

    Integral Points on a Singular del Pezzo surface over Imaginary Quadratic Fields
    Georg-August Universität Göttingen, Göttinger Oberseminar
    June 2023

    Counting Conics Over a Global Function Field That Have a Rational Point
    King's College London, The Advent of Rational Points
    Dezember 2022

    Counting Integral Points on a del Pezzo Surface via the Universal Torsor Method
    University of Bristol, Linfoot Number Theory Seminar
    November 2022

    Counting Integral Points on a del Pezzo Surface via the Universal Torsor Method
    University of Bath, Bath Algebra, Geometry and Number Theory Seminar
    Oktober 2022

    Integral points on a singular del Pezzo surface over imaginary quadratic fields
    ISTA, Wien, BROWNING GROUP Working Seminar
    December 2023

    Counting conics over F_2(t) that have a rational point
    Georg-August Universität Göttingen, Symposium on Number Theory
    October 2023

    Conics over F_2(t) that have a rational point
    Universtiy of Bristol, WAARP
    September 2023

     

  • Conferences and workshops
    • WAARP, University of Bristol,
      11.09.23 - 15.09.23
    • Spring School in Arithmetic Statistics, CIRM, Luminy,
      08.05.23 - 12.05.23
    • The Advent of Rational Points, King's College London,
      12.12.2022
    • Great Western Number Theory Seminar, University of Bristol,
      14.11.2022
    • Women In Numbers Europe 4, University of Utrecht, Netherlands, Group: Campana
      Points and the Circle Method, 28.08.22 - 02.09.22
    • Number Theory Informed by Computation, Park City Mathematical Institute, Utah,
      Graduate Summer School, 17.07.22 - 06.08.22
    • Number Theory Informed by Computation, Park City Mathematical Institute, Utah,
      Graduate Summer School, (online), 26.07.21 - 30.07.21

Teaching

  • Winter 23/24: Exercise lesson for "Mathematik 1: Lineare Algebra" (Mathematic 1: Linear Algebra)
  • Summer 23: Exercise lesson for Algebraic Number Theory I
  • Summer 22: Exercise lesson for "Mathematik 2: Analysis" (Mathematics 2: Analysis)
  • Winter 21/22: Exercise lesson for "Mathematik 1: Lineare Algebra" (Mathematics 1: Linear Algebra)
  • Summer 21: Exercise lesson for "Lineare Algebra B" (Linear Algebra B)
  • Winter 20/21: Exercise lesson for Algebraic Number Theory II
  • Summer 20: Exercise lesson for "Lineare Algebra B" (Linear Algebra B)
  • Winter 19/20: Exercise lesson for "Lineare Algebra A" (Linear Algebra A)