Differential representations of dynamical oscillator symmetries in discrete Hilbert space

by Andreas Ruffing
Published 2000-01-01

Discretized representations of harmonic variables by bilateral Jacobi operators

by Andreas Ruffing
Published 2000-01-01

Power series techniques for a special Schrödinger operator and related difference equations

by Andreas Ruffing, Moritz Simon
Published 2005-05-01

Comparing algebraic and numerical solutions of classical diffusion process equations in computational financial mathematics

by Andreas Ruffing, Patrick Windpassinger, Stefan Panig
Published 2001-01-01

Some Basic Difference Equations of Schrödinger Boundary Value Problems

by Andreas Ruffing, Maria Meiler, Andrea Bruder
Published 2009-01-01