2 problems

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Tzvetkov's small-data global existence conjecture for nonlinear Dirac equations
Tzvetkov's conjecture. The nonlinear Dirac equation has a small-data global solution when its nonlinearity takes such special forms as $N_{1}$ and $N_{2}$ . This conjecture concerns…
Conjectureopenglobal-existence nonlinear-dirac-equations null-formsarXiv posted 2 days ago
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Foschi–Klainerman sufficiency conjecture for null form estimates
Let $n$ , $1\le q,r\le\infty$ , and let denote the null form estimate whose necessary conditions include - and -. FoschiKlainerman's sufficiency conjecture. The conditions - and - sh…
Conjectureopenharmonic-analysis null-forms wave-equationsarXiv posted 2 days ago

Tzvetkov's small-data global existence conjecture for nonlinear Dirac equations