Schwinger-Dyson Equations and Chiral Symmetry Breaking in 2D Induced   Gravity
  The Schwinger-Dyson equations in the ladder approximation for $2D$ induced gravity coupled to fermions on a flat background are obtained in conformal gauge. A numerical study of these equations shows the possiblity of chiral symmetry breaking in this theory. 
E. Elizalde, S.D. Odintsov, A. Romeo and Yu.I. Shil'nov