most citedSemi-classical spectral estimates for Schrödinger operators at a critical level. Case of a degenerate maximum of the potential

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math.GM2005★ 1 cited

Asymptotic approximation of degenerate fiber integrals

Brice Camus

We study asymptotics of fiber integrals depending on a large parameter. When the critical fiber is singular, full-asymptotic expansions are established in two different cases : loc…