Area of Research

Donnerstag, 16:30 Uhr bis 17:30 Uhr

Oberseminar Algebraische Geometrie

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Matthias Paulsen

A Cubic Surface

The picture shows part of a smooth surface defined by a cubic polynomial. Over an algebraically closed field, any such surface contains exactly 27 lines. For the surface in the picture all 27 lines are already defined over the field of rational numbers.

A Cubic Surface

The picture shows part of a smooth surface defined by a cubic polynomial. Over an algebraically closed field, any such surface contains exactly 27 lines. For the surface in the picture all 27 lines are already defined over the field of rational numbers.

Donnerstag, 16:30 Uhr bis 17:30 Uhr

Oberseminar Algebraische Geometrie