Nonlinear Potential Theory
Partial Differential Equations
(Conformal Geometry)
[2] Degenerate elliptic equations with measure data and nonlinear potentials (with J. Maly), Ann. Scuola Norm. Sup. Pisa Cl. Science, Ser. IV Vol. 19 (1992), 591 - 613.
[3] Pointwise regularity of solutions to nonlinear double obstacle problems (with W.P. Ziemer), Ark. Mat. 29 (1991), 83 - 106.
[4] Supersolutions to degenerate elliptic equations on quasi open sets (with J. Maly ), Comm. P.D.E. 17 (1992), 371 - 405.
[5] On the uniqueness problem for quasilinear elliptic equations involving measures (with X. Xu), Revista Mat. Iberoamericana 12 (1996), 461 - 475.
[6] Nonlinear potential theory of degenerate elliptic equations (with J. Heinonen and O. Martio), Oxford Mathematical Monographs (1993). (See a review in Bull. AMS 31 (1994), 318 - 327 .)