N. Umeorah, P. Mashele and M. Ehrhardt, "Elliptical and Archimedean copula models: an application to the price estimation of portfolio credit derivatives", Journal of Credit Risk, 2020.

N. Umeorah, M. Ehrhardt and P. Mashele, "Valuation of basket credit default swaps under stochastic default intensity models", Advances in Applied Mathematics and Mechanics, vol. 12, no. 5, pp. 1301--1326, 2020. Global Science Press.

L. Agasthya, L. Biferale, A. Bartel, M. Ehrhardt and F. Toschi, "Modulation of Rayleigh-Benard Convection by Lagrangian Thermal Forcing" in APS Division of Fluid Dynamics Meeting Abstracts, 2020, pp. T01--008.

C. Günther, M. Günther and D. Günther, "Tracing contacts to control the COVID-19 pandemic", arXiv preprint arXiv:2004.00517, 2020.

P. Putek, A. Bartel, E. J. W. t. Maten and M. Günther, "Shape Optimization of a PM Synchronous Machine Under Probabilistic Constraints" in Scientific Computing in Electrical Engineering: SCEE 2018, Taormina, Italy, September 2018 12, 2020, pp. 243--253.