An Introduction to Quantum Sheaf Cohomology - Physics - Virginia ...

A model -- worldsheet instantons
Moduli space of bosonic zero modes
= moduli space of worldsheet instantons, M
If no
zero modes, then
ψ i z , ψı z
〈O 1 · · · O m 〉 ∼ ∫ M Hp 1,q 1
(M) ∧ · · · ∧ H p m,q m
(M)
More generally,
〈O 1 · · · O m 〉 ∼ ∫ M Hp 1,q 1
(M) ∧ · · · ∧ H p m,q m
(M) ∧ c top (Obs)
In all cases:
∫ 〈O 1 · · · O m 〉 ∼ (top form)
M