Article-Journal

Quasi-Exact Solvability in a General Polynomial Setting

A New Class of Solvable Many-Body Problems with Constraints, Associated with an Exceptional Polynomial Subspace of Codimension 2

Two Novel Classes of Solvable Many-Body Problems of Goldfish Type with Constraints

Quasi-Exact Solvability beyond the Sl(2) Algebraization

Dynamical Systems on Infinitely Sheeted Riemann Surfaces

Structure Theorems for Linear and Non-Linear Differential Operators Admitting Invariant Polynomial Subspaces

The Transition from Regular to Irregular Motions, Explained as Travel on Riemann Surfaces

Quasi-Exact Solvability and the Direct Approach to Invariant Subspaces

Periods of the Goldfish Many-Body Problem:

Supersymmetry and Algebraic Darboux Transformations