Gaspard Ohlmann

activity

20212025

most citedIll-posedness of a quasilinear wave equation in two dimensions for data in

H^{7/4}

1 citations · 1 across the 6 of their papers we have counts for

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math.AP2024

Half-Wave Maps: Explicit Formulas for Rational Functions with Simple Poles

Gaspard Ohlmann

We establish an explicit formula for the Half-Wave maps equation for rational functions with simple poles. The Lax pair provides a description of the evolution of the poles. By con…

math.AP2024

On the stability of the ill-posedness of a quasi-linear wave equation in two dimensions with initial data in $H^{7/4} (ln H^{- β})$

Gaspard Ohlmann

This article is the continuation of \cite{ohlmann2021illposedness} where we exhibited the ill-posedness of a quasi-linear wave equation in dimension $2$ for initial data in $H^{7/4…

Half-Wave Maps: Explicit Formulas for Rational Functions with Simple Poles

On the stability of the ill-posedness of a quasi-linear wave equation in two dimensions with initial data in H7/4(lnH−β)

On the stability of the ill-posedness of a quasi-linear wave equation in two dimensions with initial data in $H^{7/4} (ln H^{- β})$