(with Roswitha März) Basic characteristics of differential-algebraic operators. In: T. Reis et al. (eds.), Progress in Differential-Algebraic Equations II, Springer 2020, 39--70, https://doi.org/10.1007/978-3-030-63904-4_2
(with Roswitha März) Least-squares collocation for higher-index DAEs: Global approach and attempts towards a time-stepping version. In: T. Reis et al. (eds.), Progress in Differential-Algebraic Equations II, Springer 2020, 91-135, https://doi.org/10.1007/978-3-030-63904-4 _4
(with Roswitha März) A reliable direct numerical treatment of differential-algebraic equations by overdetermined collocation: An operator approach. J Comp Appl Math, 387(2021), 112520, https://doi.org/10.1016/j.cam.2019.112520
(with Roswitha März, Caren Tischendorf) Least-squares collocation for higher-index linear differential-algebraic equations: Estimating the instability threshold. Math Comp 88(2019), 1647-1683, doi: https://doi.org/10.1090/mcom/3393
(with Kristian Dreij, Qasim Ali Chaudhry, Bengt Jernström, Ralf Morgenstern) A Method for Efficient Calculation of Diffusion and Reactions of Lipophilic Compounds in Complex Cell Geometry. PLoS ONE 6(2011)8, e23128. doi:10.1371/journal.pone.0023128
(with Qasim Ali Chaudhry, Ralf Morgenstern) On the numerical approximation of drug diffusion in complex cell geometry. In: Proceeding FIT '09 Proceedings of the 6th International Conference on Frontiers of Information Technology (ISBN 9781605586427). DOI 10.1145/1838002.1838021
(with Magnus Strömgren) On the numerical approximation of a degenerated hyperbolic system. Mathematics and Computers in Simulation, 79(2009), 1585-1602
(with Marry-Chriz Cabauatan-Villanueva) On the simulation of the metabolism in mammalian cells using homogenization methods. In: Jean-Marc Petit and Oumnia Squalli, eds., Proceedings of the European Comsol Conference 2007, Grenoble, France, 40-46
Preconditioning strategies for multiphysics applications: Some problems. Stockholm: Royal Inst. of Technology 2002 (PSCI report 02:03)
(with Li Pu) Simulated annealing for the optimization of batch distillation processes. Comp. and Chem. Eng.. 24(2000), 1-8
(with Klaus R. Schneider) Simulated annealing for the optimization of chemical batch processes. In: Scientific Computing in Chemical Engineering II, F. Keil et al. (eds.), part 2, Berlin: Springer 1999, pp. 314-321
Regularization methods for higher index differential-algebraic equations. In: Berlin seminar on differential-algebraic equations (E. Griepentrog, M. Hanke, R. März, eds.), Berlin: Humboldt-Univ. 1992
On the asymptotic representation of a regularization approach to nonlinear semiexplicit higher index differential-algebraic equations. IMA J. Appl. Math. 46(1991), 225-245
(with H.W. Engl, A. Neubauer) Tikhonov regularization of nonlinear differential-algebraic equations. In: Inverse Problems in Action (P.C. Sabatier, ed.), Berlin: Springer-Verlag 1990, 92-105
On the regularization of index 2 differential-algebnraic equations. J. Math. Anal. Appl. 151(1990)1, 236-253
Linear differential-algebraic equations in spaces of integrable functions. J. Differ. Equations 79(1989)1, 14-30
(with R. März, A. Neubauer) On the regularization of a class of nontransferable differential-algebraic equations. J. Differ. Equations 73(1988)1, 119-132
On a least-squares collocation method for linear differential-algebraic equations. Numer. Math. 54(1988), 79-90
On the nonlinear Boltzmann equation of the carrier transport in semiconductors I. Existence and Uniqueness of solutions. Z. Anal. u. ihre Anw. 7(1988)4, 321-336
On the nonlinear Boltzmann equation of the carrier transport in semiconductors II. numerical approximation of solutions. Z. Anal. u. ihre Anw. 7(1988)5, 453-470
On the convergence of a nonlinear multigrid method and its application to a nonlinear Boltzmann equation. In: Proc. 2. Sem. über num. Beh. von Differentialgl. Jena: F.-Schiller-Univ. 1983
Über die Anwendung einer Mehrgittermethods auf eine nichtlineare Boltzmanngleichung. In: Proc. 5. Tagung Numer. Real. math. Modelle. Berlin: Akademie der Wiss. Zentrum für Rechentechnik 1983, 239-246
