Electronic Journal of Differential Equations,
Vol. 2003(2003), No. 09, pp. 1-6.

Title: Generalized solutions to parabolic-hyperbolic equations

Authors: Lazhar Bougoffa (King Khalid Univ., Abha, Saudi Arabia)
 Mohamed Said Moulay (King Khalid Univ., Abha, Saudi Arabia)

Abstract: 
 We study boundary-value problems for composite type equations:
 parabolic-hyperbolic equations. We prove the existence and 
 uniqueness of generalized solutions, using energy inequality and 
 the density of the range of the operator generated by the problem.
 
Submitted December 2, 2002. Published February 4, 2003.
Math Subject Classifications: 35M20
Key Words:  Composite type; parabolic-hyperbolic equations; 
            generalized solutions; energy inequality.