The flat-section form of Gamma-conjecture I

Let XX be a Fano manifold and let A\mathcal{A} be the vector space of flat sections s(z)s(z) over the positive real axis such that eT/zs(z)e^{T/z}s(z) has at most polynomial growth as z+0z\to+0, where TT is the maximal norm of the eigenvalues of c1(X)0c_1(X)\star_0. Let s(O)\mathfrak{s}(\mathcal{O}) denote the flat section associated with the structure sheaf. The flat-section form of Gamma-conjecture I. The space A\mathcal{A} is generated by s(O)τ=0\mathfrak{s}(\mathcal{O})|_{\tau=0}. Assuming Conjecture O, the source explains that A\mathcal{A} is one-dimensional and its sections have limiting TT-eigenvectors; this formulation is presented as the original Gamma-conjecture I.

Sources & referencesView supporting material

Primary source

Hiroshi Iritani, “Gamma classes and quantum cohomology”, arXiv:2307.15938 (2023).

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