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比利时vs摩洛哥足彩
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比利时vs摩洛哥足彩
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university of california san diego
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food for thought seminar
jon armel
ucsd graduate student
a linear, first order pde with no solution
abstract:
in 1956 hans lewy shocked the world. for decades, people had believed that just like odes, well-behaved pdes should have a general existence theorem, and that it was only a matter of time before it was proven. however, lewy constructed a very simple example to prove them all wrong. he was in as much shock and awe as they were. we'll talk about this equation and the proof, which coincidentally uses a lot of cr geometry. the talk should be accessible to anyone who has ever taken a partial derivative.
january 31, 2008
10:00 am
ap&m b412
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