Journal article
Ray methods for Free Boundary Problems
- Abstract:
- We discuss the use of the WKB ansatz in a variety of parabolic problems involving a small parameter. We analyse the Stefan problem for small latent heat, the Black--Scholes problem for an American put option, and some nonlinear diffusion equations, in each case constructing an asymptotic solution by the use of ray methods.
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(Preview, pdf, 243.3KB, Terms of use)
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- Publication date:
- 2005-01-01
- UUID:
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uuid:16df0701-5186-4cc3-8345-5fae50557dd9
- Local pid:
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oai:eprints.maths.ox.ac.uk:179
- Deposit date:
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2011-05-19
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- Copyright date:
- 2005
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