John, Fritz (1980) Nonexistence of global solutions of □u=F(utt) and of □v=F'(vt)vtt in three space dimensions. Proceedings of the National Academy of Sciences of the United States of America, 77 (4). pp. 17591760. ISSN 00278424. http://resolver.caltech.edu/CaltechAUTHORS:JOHpnas80b

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Abstract
The symbol □ denotes the operator δ2/δ2 Δ in three space dimensions, and F denotes a function with F(0) = F'(0) = 0, inf F" > 0. It is shown that u(x,t) ≡ 0, if □u = F(u tt) for xεR3, t ≥ 0, provided u, ut, utt for t = 0 have compact support. Similarly v(x,t) ≡ 0 if □v = F'(vt)vtt for xεR3, t ≥ 0, provided v,vt for t = 0 have compact support and satisfy ∫[vtF(vt)]dx ≥ 0. This shows that the global existence theorem proved by S. L. Klainerman [(1980) Commun. Pure Appl. Math. 33, in press] in more than five space dimensions is not valid for three dimensions. The theorems also imply instability at rest of certain hyperelastic materials.
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Additional Information:  © 1980 by the National Academy of Sciences. Contributed by Fritz John, January 10, 1980. This article represents work performed at the Courant Institute of Mathematical Sciences, supported by the National Science Foundation under Grant NSFMCS7605721, and at the California Institute of Technology as a Sherman Fairchild Distinguished Scholar. The publication costs of this article were defrayed in part by page charge payment. This article must therefore be hereby marked "advertisement" in accordance with 18 U.S.C. §1734 solely to indicate this fact. 
Subject Keywords:  asymptotic behavior of solutions; nonlinear equations and systems; wave equation 
Record Number:  CaltechAUTHORS:JOHpnas80b 
Persistent URL:  http://resolver.caltech.edu/CaltechAUTHORS:JOHpnas80b 
Alternative URL:  http://www.pnas.org/cgi/content/abstract/77/4/1759 
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ID Code:  8826 
Collection:  CaltechAUTHORS 
Deposited By:  Tony Diaz 
Deposited On:  20 Sep 2007 
Last Modified:  14 Nov 2014 19:20 
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