On invariance properties of the wave equation

G Bluman, S Kumei - Journal of mathematical physics, 1987 - pubs.aip.org
A complete group classification is given of both the wave equation c 2 (x) uxx− utt= 0 (I) and
its equivalent system vt= ux, c 2 (x) vx= ut (II) when the wave speed c (x)≠ const. Equations …
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[引用][C] On invariance properties of the wave equation

G BLUMAN, S KUMEI - Journal of mathematical physics, 1987 - pascal-francis.inist.fr
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On invariance properties of the wave equation

G Bluman, S Kumei - Journal of Mathematical Physics, 1987 - pubs.aip.org
A complete group classification is given of both the wave equation c 2 (x) u xx-Utt= 0 (I) and
its equivalent system VI= Ux'c2 (x) vx= UI (II) when the wave speed c (x), t: const. Equations …

[引用][C] On invariance properties of the wave equation

G Bluman, S Kumei - Journal of Mathematical Physics, 1987 - ui.adsabs.harvard.edu
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[引用][C] On invariance properties of the wave equation

G BLUMAN, S KUMEI - Journal of mathematical …, 1987 - American Institute of Physics