Contact Cohomology of the Projective Plane
classification
alg-geom
math.AG
keywords
cohomologyplanecharacteristiccontactencodesnumbersprojectivequantum
read the original abstract
We construct an associative ring which is a deformation of the quantum cohomology ring of the projective plane. Just as the quantum cohomology encodes the incidence characteristic numbers of rational plane curves, the contact cohomology encodes the tangency characteristic numbers.
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