Area of Research

Thursday, 4:30 pm to 5:30 pm

Research Seminar Algebraic Geometry

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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.

Thursday, 4:30 pm to 5:30 pm

Research Seminar Algebraic Geometry