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math.CV2018
On the local isomorphism property for families of K3 surfaces
Tim Kirschner
We construct two families of K3 surfaces over a complex manifold such that the families are pointwise isomorphic but not locally isomorphic over . This answers a question of…
math.AG2018
Unobstructedness of hyperkähler twistor spaces
Ana-Maria Brecan, Tim Kirschner, Martin Schwald
A family of irreducible holomorphic symplectic (ihs) manifolds over the complex projective line has unobstructed deformations if its period map is an embedding. This applies in par…