Differential Equations & Applications · Volume 8, Issue 2 A survey on the existence, uniqueness and regularity questions to fully nonlinear elliptic partial differential equations 08-09 Pages 135-205 DOI 10.7153/dea-08-09 Downloads Short PDF Full PDF PNG Authors J. Tyagi R. B. Verma Keywords fully nonlinear elliptic equation Bellman-Isaacs equation viscosity solutions Perron's comparison principle Pucci extremal operator singular elliptic equations Monge-Ampère equation eigenvalue problems Subject classes 35A08 35J60 35J25 49L25 35B53