On The Use of Java Arrays for Sparse Matrix Computations. - Geir Gundersen; Trond Steihaug (PARCO, 2003)

Data structures in Java for matrix computations. - Geir Gundersen; Trond Steihaug (Concurr. Pract. Exp., 2004)

On large-scale unconstrained optimization problems and higher order methods. - Geir Gundersen; Trond Steihaug (Optim. Methods Softw., 2010)

On diagonally structured problems in unconstrained optimization using an inexact super Halley method. - Geir Gundersen; Trond Steihaug (J. Comput. Appl. Math., 2012)

Sparsity in higher order methods for unconstrained optimization. - Geir Gundersen; Trond Steihaug (Optim. Methods Softw., 2012)