p-Brane and D-Brane Actions

Abstract

We consider the actions for ten--dimensional $p$--branes and $D$--branes in an arbitrary curved background and discuss some of their properties. We comment on how the $SL(2,R)$ duality symmetry acts on the five--brane actions.

4 pages, latex, uses sprocl.sty; talk given at the Second International Sakharov Conference on Physics (Moscow, May 1996)