Andreas-Stephan Elsenhans

most citedThe discriminant of a cubic surface

5 citations · 8 across the 4 of their papers we have counts for

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math.AG2012

Experiments with the transcendental Brauer-Manin obstruction

Andreas-Stephan Elsenhans, Jörg Jahnel

We report on our experiments and theoretical investigations concerning weak approximation and the transcendental Brauer-Manin obstruction for special Kummer surfaces.

math.AG2012

On the factor alpha in Peyre's constant

Ulrich Derenthal, Andreas-Stephan Elsenhans, Jörg Jahnel

For an arbitrary del Pezzo surface S, we compute alpha(S), which is the volume of a certain polytope in the dual of the effective cone of S, using Magma and Polymake. The constant…

math.AG2010★ 3 cited

The Picard group of a $K 3$ surface and its reduction modulo $p$

Andreas-Stephan Elsenhans, Jörg Jahnel

We present a method to compute the geometric Picard rank of a $K 3$ surface over $Q$ . Contrary to a widely held belief, we show it is possible to verify Picard rank $1$ using red…

Experiments with the transcendental Brauer-Manin obstruction

On the factor alpha in Peyre's constant

The Picard group of a K3 surface and its reduction modulo p

The Picard group of a $K 3$ surface and its reduction modulo $p$