No CrossRef data available.
Published online by Cambridge University Press: 09 April 2009
Let F(z) be a polynomial with coefficients in a perfect field k and let K be the normal closure of k(z) over k(F). All polynomials for which the genus of K over k is one are determined; they depend in part on the characteristic of k. Some results for higher genus are given.
Subject classification (Amer. Math. Soc. (MOS) 1970): 12 F 10.