We show that two natural approaches to quantum gravity coincide. This identity is nontrivial and relies on the equivalence of each approach to KdV equations. We also investigate related mathematical problems.


Intersection theory on the moduli space of curves and matrix Airy function - ResearchGate. Available from: http://www.researchgate.net/publication/38331193_Intersection_theory_on_the_moduli_space_of_curves_and_matrix_Airy_function [accessed Oct 21, 2015].