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Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
1
vote
Quantum cohomology of line bundles over $\mathbb P^N$
I have done a simple calculation for $G$-equivariant quantum K-ring for $\mathcal{O}(-n)$ bundle over $\mathbb{CP}^N$ by using 3d $\mathcal{N}=2$ $U(1)$ gauge theory with $N+1$ flavors of charge 1 and …
2
votes
1
answer
693
views
Definition of Givental $J$-function of cotangent bundle of flag variety
I would like to know the definition of Givental $J$-function of cotangent bundle of flag variety. To state my question more precisely, let us briefly recall the definition of the Givental $J$-function …
5
votes
what is the stringy Kähler moduli space?
I have written an very brief introduction to Calabi-Yau moduli. This is covered by standard textbooks of string theory. (See the chapter 9 of BBS.) In addition, there are many good reviews such as thi …