Titlebook: Algebraic and Complex Geometry; In Honour of Klaus H Anne Frühbis-Krüger,Remke Nanne Kloosterman,Matthi Conference proceedings 2014 Springe

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antidote

Gonality of Algebraic Curves and Graphs,ponding graph is .-gonal and of Hurwitz type. Conversely the dual graph of a .-gonal stable curve is equivalent to a .-gonal graph of Hurwitz type. The hyperelliptic case is studied in detail. For .?≥?1, we show that the dual graph of a (.,?.)-gonal stable is the underlying graph of a tropical curve

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Caustics of Plane Curves, Their Birationality and Matrix Projections,rce point . in the plane. Then we prove more generally a theorem for curves . in the projective space of 3 × 3 symmetric matrices .. For a general 3 × 1 vector . the projection to the plane given by .?→?. is birational on ., unless . is not a line and . is contained in a plane of the form ..

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Hodge Numbers for the Cohomology of Calabi-Yau Type Local Systems,lds over a smooth, quasi-projective curve .. This generalizes previous work to the case of quasi-unipotent, but not necessarily unipotent, local monodromies at infinity. We give applications to Rohde’s families of Calabi-Yau 3-folds.

adhesive

Lagrangian Fibrations of Holomorphic-Symplectic Varieties of ,3,-Type,e. Let . be a nef line-bundle on ., such that the top power . vanishes and . is primitive. Assume that the two dimensional subspace ..(.) ..(.) of . intersects . trivially. We prove that the linear system of . is base point free and it induces a Lagrangian fibration on .. In particular, the line-bun

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