© 2001 by London Mathematical Society
On the Number of Solutions of an Equation Over a Finite Field
School of Mathematical Sciences, University of Sussex Brighton BN1 9QH; e-mail: jwph{at}sussex.ac.uk
Dipartimento di Matematica, Università della Basilicata 85100 Potenza, Italy; e-mail: korchmaros{at}unibas.it
Received 14 December 1998. Revision received 4 October 1999. Revision received 2 February 2000.
The StöhrVoloch approach is used to obtain a new bound for the number of solutions in (Fq)2 of an equation f(X, Y) = 0, where f(X, Y) is an absolutely irreducible polynomial with coefficients in a finite field Fq.