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Results tagged with mirror-symmetry
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user 9617
Use for questions about mirror symmetry in theoretical/mathematical physics.
5
votes
Accepted
Zero and Negative Gromov-Witten invariants in genus 0
It is certainly possible to have $n_d$ be negative or zero. For example if $X=K_{\mathbb{P}^2}$, the total space of the canonical bundle over $\mathbb{P}^2$, then $n_2=-6$. Your $n_d$ are genus 0 Gopa …
- 5,940
22
votes
Accepted
Are Donaldson-Thomas invariants "A-model" or "B-model" ?
I got a (very) short answer to this question from Nikita Nekrasov who emailed me with "[DT theory is the] B model per se. The GW/DT correspondence is the duality between the A model and the B model (S …
- 5,940