Optimal regularity at the free boundary for the infinity obstacle problem

  • Julio D. Rossi

    Universidad de Buenos Aires, Argentina
  • Eduardo V. Teixeira

    Universidade Federal do Ceará, Fortaleza, Brazil
  • José Miguel Urbano

    Universidade de Coimbra, Portugal

Abstract

This paper deals with the obstacle problem for the infinity Laplacian. The main results are a characterization of the solution through comparison with cones that lie above the obstacle and the sharp -regularity of the solutions at the free boundary.

Cite this article

Julio D. Rossi, Eduardo V. Teixeira, José Miguel Urbano, Optimal regularity at the free boundary for the infinity obstacle problem. Interfaces Free Bound. 17 (2015), no. 3, pp. 381–398

DOI 10.4171/IFB/347