2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55276In this note we discuss the theory of super-threebranes in a spacetime of signature (10,2). Upon reduction, the threebrane provides us with the classical representations of the M-2-brane and the type IIB superstring. Many features of the original super (2+2)-brane theory are clarified. In particular, the (10,2) superspace and the spinors required to construct the brane action are discussed.5 pages, Latex. Based on talk given at NATO Advanced Study Institute conference on Strings, Branes and Dualities, Cargese, France, 26 May - 14 June 1997High Energy Physics - Theorytext