Former group member Alessandro Della Rocca of TENOVA RD and Luca Bonaventura published a paper in Journal of Scientific Computing on monotonic extensions of efficient second order stiff ODE solvers. The paper can be downloaded here https://link.springer.com/article/10.1007/s10915-016-0267-9
Stiff problems
2 posts
Francesco Casella of DEIB-Polimi along with Luca Bonaventura and other group members published a report on implicit multirate methods for stiff ODE problems, reporting the first application of implicit multirate approaches to nonlinear hyperbolic problems. The report can be downloaded here https://www.mate.polimi.it/biblioteca/add/qmox/08-2018.pdf