Piotr Zwiernik is Assistant Professor at UPF and Associate Research Professor at the Barcelona School of Economics. Prior to this he completed his Marie Skłodowska-Curie International Research Fellowship in the Department of Mathematics at the University of Genoa and the Department of Statistics at UC Berkeley.
Professor Zwiernik works on mathematical aspects of statistical models. His main research interests are: statistical inference, graphical models with hidden variables, algebraic statistics and singular learning theory.
He is Associate Editor of the Scandinavian Journal of Statistics and member of the editorial board of the Journal of Algebraic Statistics.
- BSE Associate Research Professor appointment (2021-2026)
- BSE Seed Grant, "Gaussian graphical models, total positivity, and Bayesian testing" (2018)
Working Papers
The Identification Problem for Linear Rational Expectations Models
Publications
Carlos Améndola and Piotr Zwiernik
Likelihood Geometry of Correlation Models
Matematiche, Vol.76, No 2, 559 - 583, October 2021, 10.4418/2021.76.2.16
David Rossell and Piotr Zwiernik
Dependence in elliptical partial correlation graphs
Electronic Journal of Statistics, Vol.15, No 2, 4236-4263 , October 2021, 10.1214/21-EJS1891
Gábor Lugosi, Jakub Truszkowski, Vasiliki Velona and Piotr Zwiernik