Areas of responsibility
MSc in Mathematics, University of Tartu, 2018
PhD in Mathematics, University of Tartu, 2022
Research
Banach space geometry, Lipschitz spaces, Lipschitz-free spaces, diameter 2 properties
Privacy-enhancing technologies, AI/ML
Selected publications
Haller, Rainis; Kaasik, Jaan Kristjan; Ostrak, Andre (2023). The Lipschitz-Free Space Over a Length Space is Locally Almost Square but Never Almost Square. Mediterranean Journal of Mathematics, 20 (1), ARTN 39. DOI: 10.1007/s00009-022-02218-9.
Ostrak, Andre (2021). On the duality of the symmetric strong diameter 2 property in Lipschitz spaces. Revista de la Real Academia de Ciencias Exactas FĂsicas y Naturales Serie A Matemáticas, 115 (2). DOI: 10.1007/s13398-021-01018-2.
Ostrak, Andre; Randmets, Jaak; Sokk, Ville; Laur, Sven; Kamm, Liina (2021). Implementing Privacy-Preserving Genotype Analysis with Consideration for Population Stratification. Cryptography, 5 (3), ARTN 21. DOI: 10.3390/cryptography5030021.
Ostrak, Andre (2020). Characterisation of the weak-star symmetric strong diameter 2 property in Lipschitz spaces. Journal of Mathematical Analysis and Applications, 483 (2), ARTN 123630. DOI: 10.1016/j.jmaa.2019.123630.
Short biography
2018 - 2022 Cybernetica - Junior Researcher
2021 - 2022 University of Tartu - Junior Researcher
2022 - 2023 Cybernetica - Researcher