Some classes satisfying the 2-dimensional Jacobian conjecture (1902.05923v3)

Abstract: We construct a non-proper set of two variables polynomial maps and study the nowhere vanishing Jacobian condition of the Jacobian conjecture for this set. We obtain some classes of polynomial maps satisfying the 2-dimensional Jacobian conjecture for both real and complex cases. We prove also that the complex conjecture is true until the degree 104.