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Fakultät für Mathematik Universität Regensburg
Diophantine Geometry I
Semester
WiSe 2024 / 25

Lecturer
Walter Gubler

Type of course (Veranstaltungsart)
Vorlesung

German title
Diophantische Geometrie I

Contents
Diophantine Geometry is a very old and fascinating field. It deals with entire or
rational solutions of polynomial equations. A famous example is Fermat's conjecture which was open
for many years until Wiles solved it recently. In Diophantine Geometry I, we will introduce heights
and we will prove Roth's theorem from diophantine approximation and the theorem of Mordell-Weil
from the theory of abelian varieties. In diophantine geometry II, these two theorems lead to a
proof of the Mordell-conjecture. We will follow Vojta's proof with simplification of Bombieri. This
proof is more elementary than the original proof of Faltings for which Faltings received the Fields
medal in 1986.

Literature
Bombieri, Gubler: Heights in Diophantine Geometry; Hindry, Silverman: Diphantine Geometry;
Lang: Fundamentals of Diophantine Geometry; Serre: Lectures on the Mordell--Weil theorem.

Recommended previous knowledge
Algebra. For diophantine geometry II, some basic knowledge about Algebraic Geometry is needed.

Time/Date
Tuesday, Thursday 8-10 (Exercises Wed. 12-14)

Location
M103 (Exercises in M101)

Registration
  • Preliminary registration for the organisation of exercise classes: at the end of the previous
    semester via EXA or LSF (see announcement by the department)
  • Registration for the exercise classes: GRIPS
  • Registration for course work/examination/ECTS: FlexNow
Course work (Studienleistungen)
  • Successful participation in the exercise classes: 50% of points in the exercises.
Examination (Prüfungsleistungen)
  • Oral exam: Duration: 25 Minutes, Date: tba, re-exam: Date: tba
Modules
BV, MV, MArGeo

ECTS
9
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