Approximation exponents for algebraic functions in positive characteristic

Bernard de Mathan
1992 Acta Arithmetica  
In this paper, we study rational approximations for algebraic functions in characteristic p > 0. We obtain results for elements satisfying an equation of the type α = (Aα q + B)/(Cα q + D), where q is a power of p.
doi:10.4064/aa-60-4-359-370 fatcat:risoackhozgvxh7uld2m7lmtli