Two-dimensional String Theory
Matrix Quantum Mechanics and Two-dimensional String Theory in Non-trivial Backgrounds
by Sergei Alexandrov (hep-th/0311273, 177 pages)
Topological Matrix Models, Liouville Matrix Model and c=1 String Theory
by Sunil Mukhi (hep-th/0310287, 35 pages)
Lectures on 2D gravity and 2D string theory.
by P. Ginsparg, Gregory Moore (hep-th/9304011, 230 pages, 42 figures)
String Theory in Two Dimensions
by Igor R. Klebanov (hep-th/9108019, 76 pages)
D-brane decay in two-dimensional string theory
by I.R. Klebanov, J. Maldacena, and N. Seiberg (hep-th/0305159, 19 pages)
This paper provides a useful description of the modern perspective on c=1 matrix models and their connection to D0-branes and gauge/gravity duality.