Download E-books Real Enriques Surfaces PDF

By Ilia Itenberg, Viatcheslav Kharlamov

This can be the 1st test of a scientific research of actual Enriques surfaces culminating of their type as much as deformation. easy particular topological invariants are elaborated for choosing the deformation sessions of actual Enriques surfaces. a few of theses are new and will be utilized to different sessions of surfaces or higher-dimensional kinds. meant for researchers and graduate scholars in genuine algebraic geometry it will probably additionally curiosity others who are looking to familiarize yourself with the sector and its thoughts. The research will depend on topology of involutions, arithmetics of essential quadratic varieties, algebraic geometry of surfaces, and the hyperkähler constitution of K3-surfaces. A finished precis of the mandatory effects and strategies from each one of those fields is incorporated. a few effects are built additional, e.g., a close learn of lattices with a couple of commuting involutions and a definite classification of rational advanced surfaces.

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