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math.AG2009
Decompositions of Abelian surface and quadratic forms
Shouhei Ma
When a complex Abelian surface can be decomposed into a product of two elliptic curves, how many decompositions does the Abelian surface admit ? We provide arithmetic formulae for…
math.AG2009★ 1 cited
On K3 surfaces which dominate Kummer surfaces
Shouhei Ma
We study isogeny relations between K3 surfaces and Kummer surfaces. Specifically, we prove a Torelli-type theorem for the existence of rational maps from K3 surfaces to Kummer surf…