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math.AG2017★ 1 cited
Integral Comparison of Monsky-Washnitzer and overconvergent de Rham-Witt cohomology
Veronika Ertl, Johannes Sprang
The goal of this small note is to extend a result by Christopher Davis and David Zureick-Brown on the comparison between integral Monsky-Washnitzer cohomology and overconvergent de…
math.AG2010
Minimal number of points with bad reduction for elliptic curves over P^1
Johannes Sprang
In this work we use elementary methods to discuss the question of the minimal number of points with bad reduction over the projective line for elliptic curves E/k(T) which are non-…