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Sparse space-time finite element discretization of parabolic equations
(2011)For a class of linear parabolic equations we propose a nonadaptive sparse space-time Galerkin least squares discretization. We formulate criteria on the trial and test spaces for the well-posedness of the corresponding Galerkin least squares solution. In order to obtain discrete stability uniformly in the discretization parameters, we allow test spaces which are suitably larger than the trial space. The problem is then reduced to a finite, ...Presentation -
Einsatz von Vegetationshöhenmodellen zur Lokalisierung kritischer Lücken für Waldlawinen
(2016)MontagskolloquiumPresentation -
Monitoring Recruiters at Work: Ethnic Discrimination on an Online Recruitment Platform
(2020)Presentation -
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Positive Health Externalities of Mandating Paid Sick Leave
(2020)A growing economic literature studies the optimal design of social insurance systems and the empirical identification of welfare-relevant externalities. In this paper, we test whether mandating employee access to paid sick leave has reduced influenza-like-illness (ILI) transmission rates as well as pneumonia and influenza (P&I) mortality rates in the United States. Using uniquely compiled data from administrative sources at the state-week ...Presentation