Exponentially improved stationary phase approximations for double integrals

DOI10.4310/MAA.1994.v1.n1.a4zbMath0834.41027OpenAlexW73905870MaRDI QIDQ1902346

Yanyan Li

Publication date: 20 November 1995

Published in: Methods and Applications of Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4310/maa.1994.v1.n1.a4

zbMATH Keywords

asymptotic expansionsaddle pointsmethod of steepest descentsurface of steepest descenttwo-dimensional oscillatory integral

Mathematics Subject Classification ID

Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Other generalizations of function theory of one complex variable (32A30) Asymptotic representations in the complex plane (30E15)

Related Items (2)

Gradient flows without blow-up for Lefschetz thimbles ⋮ Global asymptotics for multiple integrals with boundaries.

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