2d, N=2 and N=4 supergravity and the Liouville theory in superspace
2D-4D Correspondence: Towers of Kinks versus Towers of Monopoles in N=2 Theories
2k-dimensional N=8 supersymmetric quantum mechanics
2n-Dimensional Models with Topological Mass Generation
2PI Effective Action and Evolution Equations of N = 4 super Yang-Mills
2PI effective action for gauge theories: Renormalization
2T Physics and Quantum Mechanics
2T Physics Formulation of Superconformal Dynamics Relating to Twistors and Supertwistors
2T Physics, Scale Invariance and Topological Vector Fields
2T-Physics 2001