Feel free to contact me if you think I can help with mathematics, teaching or research!
My main hobby outside mathematics is music: I have played the cello since I was a child. I play with campus and amateur orchestras whenever I have the chance, and I have several friends who I occasionnally play chamber music with. Amongst the lesser-known pieces for the cello, I especially appreciate Kabalevsky's Second Concerto, Bloch's Third Suite, Schulhoff's Duo for violin and cello, and Mendelssohn's Second Cello sonata.
I enjoy French, South American and Austrian litterature from the last two centuries. If you run into me and happen to have read some Giono, some Cortázar or Musil's Der Mann ohne Eigenschaften, let me know!
The mountain pictures on this page and on the home page were taken by my dad, Zdenek Posva, during a two-days hike above Arolla (Val d'Hérens, Switzerland) that he, my brother and I took at the end of August 2023. The sceneries were beautiful.