scholarly journals THE NULL CONDITION AND GLOBAL EXISTENCE OF SOLUTIONS TO SYSTEMS OF WAVE EQUATIONS WITH DIFFERENT SPEEDS

Author(s):  
RENTARO AGEMI ◽  
KAZUYOSHI YOKOYAMA
1999 ◽  
Vol 60 (1) ◽  
pp. 1-10
Author(s):  
Mohammed Aassila

In this paper we prove the global existence and study the asymptotic behaviour of solutions to a degenerate wave equation with a nonlinear dissipative term.


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