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Remarks concerning the supports of solutions of pseudoparabolic equations


Authors: William Rundell and Michael Stecher
Journal: Proc. Amer. Math. Soc. 63 (1977), 77-81
MSC: Primary 35K25
DOI: https://doi.org/10.1090/S0002-9939-1977-0433037-4
MathSciNet review: 0433037
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Abstract: This paper deals with the existence of nontrivial solutions of the pseudoparabolic equation $ {u_{xxt}} - {u_t} + {u_{xx}} = 0$ whose supports lie in the half spaces $ t > {t_0},x > {x_0}$. In addition, we show the nonexistence of solutions whose supports lie in bounded strips in x or t.


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DOI: https://doi.org/10.1090/S0002-9939-1977-0433037-4
Article copyright: © Copyright 1977 American Mathematical Society

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