Rotationally symmetric p-harmonic flows from D^2 to S^2: local well-posedness and blow-up

TL;DR

This paper investigates the rotationally symmetric p-harmonic flow from the disk to the sphere, establishing local well-posedness and criteria for finite-time blow-up of solutions.

Contribution

It proves local well-posedness for the Dirichlet problem and provides a boundary condition-based criterion for finite-time blow-up.

Findings

Local well-posedness of the flow

Finite-time blow-up criterion based on boundary conditions

Analysis under rotational symmetry

Abstract

We study the $p$-harmonic flow from the unit disk $D^2$ to the unit sphere $S^2$ under rotational symmetry. We show that the Dirichlet problem with constant boundary conditions is locally well-posed in the class of classical solutions and we also give a sufficient criterion, in terms of the boundary condition, for the derivative of the solutions to blow-up in finite time.