# Brane actions, categorifications of Gromov–Witten theory and quantum K–theory

@inproceedings{Mann2015BraneAC, title={Brane actions, categorifications of Gromov–Witten theory and quantum K–theory}, author={Etienne Mann and Marco Robalo}, year={2015} }

Let X be a smooth projective variety. Using the idea of brane actions discovered by To\"en, we construct a lax associative action of the operad of stable curves of genus zero on the variety X seen as an object in correspondences in derived stacks. This action encodes the Gromov-Witten theory of X in purely geometrical terms and induces an action on the derived category Qcoh(X) which allows us to recover the Quantum K-theory of Givental-Lee.

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