Showing math.APShow all
2 papers · 1 filter
math.AP2023
Small data nonlinear wave equation numerology: The role of asymptotics
Istvan Kadar
Systems of wave equations may fail to be globally well posed, even for small initial data. Attempts to classify systems into well and ill-posed categories work by identifying struc…
math.AP2022
On global behaviour of classical effective field theories
Istvan Kadar
We continue the rigorous study of classical effective field theories (EFTs) that was recently initiated in the work of Reall and Warnick [RW22]. We study a system with one light an…