On S-cyclic steiner systems. - Immo Diener (Discret. Math., 1982)

All 80 steiner triple systems on 15 elements are derived. - Immo Diener; Eberhard Schmitt; Hans Ludwig de Vries (Discret. Math., 1985)

Trajectory nets connecting all critical points of a smooth function. - Immo Diener (Math. Program., 1986)

On the global convergence of path-following methods to determine all solutions to a system of nonlinear equations. - Immo Diener (Math. Program., 1987)

Fixed point theorems for discontinuous mapping. - Ludwig J. Cromme; Immo Diener (Math. Program., 1991)