On Computing Geodesics in Baumslag-Solitar Groups. - Volker Diekert; Jürn Laun (Int. J. Algebra Comput., 2011)

Efficient Algorithms for Highly Compressed Data: the Word Problem in Higman's Group is in P. - Volker Diekert; Jürn Laun; Alexander Ushakov (Int. J. Algebra Comput., 2012)

Solving algorithmic problems in Baumslag-Solitar groups and their extensions using data compression. - Jürn-Jochen Laun (2013)

Efficient Algorithms for Highly Compressed Data: The Word Problem in Generalized Higman Groups Is in P. - Jürn Laun (Theory Comput. Syst., 2014)