702 citations
- National Institute for Subatomic PhysicsNL12 papers
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Showing 2007 · math.AGShow all
3 papers · 2 filters
math.AG2007★ 1 cited
The period map for cubic fourfolds
Eduard Looijenga
The period map for cubic fourfolds takes values in a locally symmetric variety of orthogonal type of dimension 20. We determine the image of this period map (thus confirming a conj…
math.AG2007
Del Pezzo moduli via root systems
Elisabetta Colombo, Bert van Geemen, Eduard Looijenga
Coble defined in his 1929 treatise invariants for cubic surfaces and quartic curves. We reinterpret these in terms of the root systems of type E_6 and E_7 that are naturally associ…
math.AG2007
Fuchsian equations of type DN
Vasily Golyshev, Jan Stienstra
We prove that a generic differential operator of type DN is irreducible, regular, (anti)self-adjoint, and has quasiunipotent local monodromies. We prove that the defining matrix of…