Remarks concerning the supports of solutions of pseudoparabolic equations
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This paper deals with the existence of nontrivial solutions of the pseudoparabolic equation uxxt - ut + uxx = 0 whose supports lie in the half spaces t > t0, x > x0. In addition, we show the nonexistence of solutions whose supports lie in bounded strips in x or t. © 1977 American Mathematical Society.
author list (cited authors)
Rundell, W., & Stecher, M.