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May 11, 2015 at 12:35 vote accept CommunityBot
Jan 16, 2015 at 9:31 comment added user47116 Thanks. The parametrization is very useful for me. But actually functions $a(u)$ and $b(u)$ cannot be arbitrary. Right?
Jan 3, 2015 at 14:01 history edited Dan Fox CC BY-SA 3.0
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Jan 3, 2015 at 13:52 history edited Dan Fox CC BY-SA 3.0
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Jan 3, 2015 at 13:31 history edited Dan Fox CC BY-SA 3.0
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Jan 3, 2015 at 13:22 history edited Dan Fox CC BY-SA 3.0
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Jan 3, 2015 at 13:19 comment added Dan Fox @user12355: I added some remarks to the answer to address the local case.
Jan 3, 2015 at 13:17 history edited Dan Fox CC BY-SA 3.0
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Jan 3, 2015 at 13:00 comment added user47116 Thanks. Well, I know this paper. Actually I'm looking for solution locally. I can reduce this equation to first order equation $g_s = h(g_t)$ and then using technique of solving first-order PDES, write in parametric form general solution. But it is rather huge and cumbersome...
Jan 3, 2015 at 9:18 history edited Dan Fox CC BY-SA 3.0
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Jan 3, 2015 at 9:11 history answered Dan Fox CC BY-SA 3.0