The Singularity of Kontsevich's Solution for $Q{H}^{\ast }(C{P}^2)$

Abstract

We study the singularity of the Kontsevich's solution of the WDVV equations of associativity. We prove that it corresponds to a singularity in the change of two coordinates systems of the Frobenius manifold given by the quantum cohomology of $C{P}^2$.

12 pages