Humboldt-Universität zu Berlin | Wirtschaftswissenschaftliche Fakultät | High Dimensional Nonstationary Time Series | About us | News Feed | News 2015 | Conference: Lenka Zboňáková in Vienna Conference: Lenka Zboňáková in Vienna 09.12.2015. Lenka Zboňáková, IRTG PhD student, visited the conference on “Risk Management in Very High Dimensions” in Vienna, Austria and presented her work on “Time Varying Lasso”.