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Integral geometry and multitemporal wave equations

โœ Scribed by Sigurdur Helgason


Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
444 KB
Volume
51
Category
Article
ISSN
0010-3640

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An Integral Evolution Formula for the Wa
โœ Bradley Alpert; Leslie Greengard; Thomas Hagstrom ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 54 KB

We present a new time-symmetric evolution formula for the scalar wave equation. It is simply related to the classical D'Alembert or spherical means representations, but applies equally well in two space dimensions. It can be used to develop stable, robust numerical schemes on irregular meshes.