The suggestion that the tower of observed vector mesons – when regarded effectively as gauge fields of hidden local symmetries of chiral perturbation theory – is reasonably modeled as a Kaluza-Klein tower of D=5 Yang-Mills theory: That the pure pion-Skyrmion-model of baryons is approximately the KK-reduction of instantons in D=5 Yang-Mills theory is already due to: with a hyperbolic space-variant in: Further discussion of this approximation: The observation that the result of Atiyah-Manton 89...