Abstract
We consider two types of highly oscillatory bivariate integrals with a nondegenerate stationary point. In each case we produce an asymptotic expansion and two kinds of quadrature algorithms: an asymptotic method and a Filon-type method. Our results emphasize the crucial role played by the behaviour at the stationary point and by the geometry of the boundary of the underlying domain.
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In memory of Germund Dahlquist (1925–2005).
AMS subject classification (2000)
Primary 65D32
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Iserles, A., Nørsett, S. On the computation of highly oscillatory multivariate integrals with stationary points . Bit Numer Math 46, 549–566 (2006). https://doi.org/10.1007/s10543-006-0071-2
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DOI: https://doi.org/10.1007/s10543-006-0071-2