3 problems

Ivrii's conjecture. If every singular point of $p=0$ is effectively hyperbolic, then the Cauchy problem is $C^{\infty}$ well posed for any lower order term.

Analytic non-characteristic derived Cauchy problem. This map is an isomorphism of sheaves of spaces over $Y$. The statement is proposed as a general nonlinear derived Cauchy-Kowale…

The model with buffer has constant initial traffic densities on each incoming and outgoing road, together with drivers' turning preferences and initial queue lengths inside the buf…