MATRIX DESCRIPTION OF (1,0) THEORIES IN 6 DIMENSIONS

We propose descriptions of interacting (1,0) supersymmetric theories w ithout gravity in six dimensions in the infinite momentum frame. They are based on the large N limit of quantum mechanics or 1 + 1 dimension al field theories with SO(N) gauge group and four supercharges. explic itly describe We argue that this formulation allows for a concrete des cription of the chirality-changing phase transitions which connect (1, 0) theories with different numbers of tensor multiplets. (C) 1998 Publ ished by Elsevier Science B.V.