(2+1)-dimensional solutions in $F(R)$ gravity
  Motivated by the well-known charged BTZ black holes, we look for $(2+1)$-dimensional solutions of $F(R)$ gravity. At first we investigate some near horizon solutions and after that we obtain asymptotically Lifshitz black hole solutions. Finally, we discuss about rotating black holes with exponential form of $F(R)$ theory. 
S. H. Hendi
gr-qc hep-th