Welcome to the Algebra and Number Theory group at the University of Copenhagen!
The research group 'Algebra and number theory' is involved with a broad section of modern algebra, algebraic geometry, and number theory.
We organize a regular seminar: Number Theory Seminar.
We are an active node in the Nordic Number theory Network: www.ncube.net.
Here is a list of the members of the group together with brief descriptions of their fields:
Core:
 Lars Halvard Halle: Algebraic and arithmetic geometry; curves, abelian varieties, CalabiYau varieties, zeta functions, motivic integration, degenerations, Hilbert schemes and moduli spaces.
 Lars Hesselholt: Ktheory, algebraic geometry, algebraic topology, number theory.
 Henrik Holm: Homological algebra and its areas of application, including representation theory, ring theory, and category theory.
 Ian Kiming: Algebraic number theory and arithmetic geometry, in particular Galois representations and automorphic forms, classical, mod p, and padic aspects.
 Mehdi Fabien Pazuki: Number theory, diophantine geometry, heights, elliptic curves, abelian varieties, rational points on curves.
 Morten S. Risager: Analytic number theory and automorphic forms.
Postdocs:
 Daniel Bergh: Algebraic geometry.
 Linda Karina Frey: Number theory, elliptic curves, (CM) Jacobians of genus 2 curves, heights.
 Cody Gunton: Arithmetic geometry, especially integral padic Hodge theory and the theory of degenerations.

Farbod Shokrieh: The intersection of nonarchimedean (and tropical) geometry, algebraic geometry, number theory, and combinatorics.
PhD students:
 Francesco Campagna: Algebraic number theory with a focus on elliptic curves with complex multiplication (PhD with Pazuki).
 Luigi Pagano: Algebraic Geometry (PhD with Lars Halle).

Riccardo Pengo: Lfunctions, in particular relationships between Mahler measures and derivatives of Lfunctions (PhD with Pazuki and Kiming).
Emeriti:

Christian U. Jensen: Algebraic number theory with a particular view towards Galois theoretic embedding problems.
 Søren Jøndrup: Noncommutative ring theory, in particular P.I. theory with applications to finitedimensional representations of noncommutative rings.

Jørn Børling Olsson: Representations of finite groups.
 Asmus Schmidt: Number theory, in particular diophantine approximation and algebraic number theory.
 Anders Thorup : Algebraic geometry, in particular intersection theory with applications to enumerative geometry.
Associated members:
 Raymond van Bommel: Arithmetic of varieties in family (PhD with Pazuki and David Holmes, Univ Leiden).
Historical members:
 HansBjørn Foxby (19472014): Homological algebra, triangulated/derived categories, intersection multiplicities.
Present Guests:
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Upcoming Guests:
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Past guests:
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