Joachim Krieger

activity

20192026

most citedSmall data global regularity for half-wave maps in

n = 4

dimensions

1 citations · 1 across the 5 of their papers we have counts for

collaborators

Showing 2024Show all

2 papers · 1 filter

math.AP2024

Finite time blow up for the energy critical Zakharov system II: exact solutions

Joachim Krieger, Tobias Schmid

Based on our companion paper [Krieger-Schmid, 2024], we show that the 4D energy critical Zakharov system admits finite time type II blow up solutions. The main new difficulty this…

math.AP2024

Finite time blow up for the energy critical Zakharov system I: approximate solutions

Joachim Krieger, Tobias Schmid

We construct approximate solutions $(ψ_{*}, n_{*})$ of the critical 4D Zakharov system which collapse in finite time to a singular renormalization of the solitary bulk solutions $ (λe…