On the Support of Solutions to a Two-Dimensional Nonlinear Wave Equation
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It is shown that ifuis a sufficiently smooth solution to a two-dimensional nonlinear wave equation such that there existsL>0with suppu(i)⊆[−L,L]×[−L,L], fori=0,1, thenu≡0.
1984 ◽
Vol 72
(1)
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pp. 33-37
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2020 ◽
Vol 130
(9)
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pp. 5838-5864
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1979 ◽
Vol 30
(6)
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pp. 929-936
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2015 ◽
Vol 2015
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pp. 1-7
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