Broad vanishing conjecture for cosection-localized GLSM virtual classes

Let XX be a GLSM target, let XctXX^{\mathrm{ct}}\subset X be the zero section, and let Zg,n,βϵZ^{\epsilon}_{g,n,\beta} be the relevant moduli space with cosection-localized virtual class. For ϕHCR(X)\phi\in H^*_{\mathrm{CR}}(X) satisfying

e\bigl(T_{\overline{\mathcal{I}}X/\overline{\mathcal{I}}X^{\mathrm{ct}}\bigr)\phi=0,

where ee denotes the Euler class, consider the evaluation maps evi\operatorname{ev}_i.

Broad vanishing conjecture. For every i{1,,n}i\in\{1,\ldots,n\},

evi(ϕ)[Zg,n,βϵ]vir=0.\operatorname{ev}_i^*(\phi)\cap[Z^{\epsilon}_{g,n,\beta}]^{\mathrm{vir}}=0.

This vanishing is intended to prove independence of correlators from the choice of lifts to the extended state space. The supplied source gives no resolution status for the conjecture.

Sources & referencesView supporting material

Primary source

Emily Clader, Felix Janda and Yongbin Ruan, “Higher-genus wall-crossing in the gauged linear sigma model”, arXiv:1706.05038 (2018).

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