English: 25-periodic point of Gumowski-Mira map given by the 2-dimensional discrete dynamical system:
Where,
The parameters are α = 0.07, σ = 0.0075, μ = −0.43. The initial values are x0 = 0.1, y0 = 0. The diagram is showing the plots of iterations from n = 2000 to n = 100000.