Sharpness results for $L^2$-smoothing of oscillatory integrals

DOI10.1512/iumj.2001.50.1903zbMath0993.42005OpenAlexW2023403623MaRDI QIDQ2758116

Björn G. Walther

Publication date: 20 September 2002

Published in: Indiana University Mathematics Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1512/iumj.2001.50.1903

zbMATH Keywords

regularitywave equationSchrödinger equationlocal smoothingoscillatory integral

Mathematics Subject Classification ID

Smoothness and regularity of solutions to PDEs (35B65) Singular and oscillatory integrals (Calderón-Zygmund, etc.) (42B20) Multipliers for harmonic analysis in several variables (42B15) Wave equation (35L05) PDEs in connection with quantum mechanics (35Q40) Schrödinger operator, Schrödinger equation (35J10)

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