**UBC Mathematics Department**

*http://www.math.ubc.ca*

## Colloquium Abstract: Dr. Kai Behrend,
Department of Mathematics, UBC

*Quantum Cohomology*

Enumerative geometry is a very old subject. It attempts to answer
questions such as: How many members of a pencil of cubics through 8
points are singular? Our first task will be to explain what this means
and how to answer such questions. In recent years new insights in
enumerative geometry have been gained by the techniques of quantum
cohomology. In fact, we only now understand even the proper questions
enumerative geometry should ask. We will explain this new point of
view.

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