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Modified Shiffman–Zelditch Conjecture (Part b): Rigorous Polyakov Path Integral via Calabi/Mabuchi Volume Forms

Ascertain whether, for polarized manifolds (M, L) with compact automorphism group Aut(M, L), one can obtain a rigorous definition of the Polyakov path integral over metrics by using either the Calabi metric or the Mabuchi metric to define the associated volume form on Bergman spaces.

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Background

Shiffman–Zelditch emphasized that a positive resolution of the finiteness question would enable a rigorous definition of the Polyakov path integral using the Calabi metric-derived volume form.

Given the failure of the original conjecture in non-compact automorphism settings, the authors ask whether such a rigorous formulation is still attainable in the compact automorphism case, possibly using either the Calabi or Mabuchi metric.

References

Problem 1.1 (Modified Shiffman-Zelditch’s conjecture). Let (M,L) be a polarized manifold, and ω 0 c 1L) be a K¨ ahler metric on M. Assume that Aut(M,L) is compact.

(b). Is it possible to obtain a rigorous definition of the Polyakov path integral over metrics by using the Calabi metric or the Mabuchi metric to define its volume form?

On the $L^2$ volume of Bergman spaces (2404.12840 - Zhou, 19 Apr 2024) in Problem 1.1, Section 1 (Introduction)