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Computational Algebra Group
Computational Algebra Seminar
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  • Felipe Voloch
  • (University of Texas)
  • Finite descent obstruction and modularity
  • 3pm–4pm, Thursday 10th March, 2011
  • Carslaw 535
  • We will show how a version of finite descent obstruction for curves is related to a problem on the existence of abelian varieties with prescribed Galois representations. The problem for elliptic curves over the rationals can be solved via Serre's conjecture in the affirmative. We will also discuss some possible counterexamples in other situations.

  • Jan Steffen Müller
  • (Bayreuth)
  • Computing canonical heights on Jacobians
  • 4pm–5pm, Thursday 10th March, 2011
  • Carslaw 535
  • The canonical height is an important tool in the study of the arithmetic of abelian varieties. We will discuss how the canonical height can be computed in practice in the case of Jacobian varieties and why this is an interesting problem.

The Computational Algebra Group is a research group within the School of Mathematics and Statistics, University of Sydney.
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