Kristály Sándor (BBTE, ÓE): Geodetikus konvexitás az optimizációban: (téves) fogalmak és alkalmazások - Online, Zoom webinar - - -
György Pál Gehér (University of Reading, UK): The Hilbert space effect algebra and joint measurability of quantum unsharp events - Online, Zoom webinar - - -
István Pink (Debrecen): Number of solutions to a special type of unit equations in two unknowns - Online, Zoom webinar - - -
Ferenc Bartha (University of Szeged): Stable periodic orbits for the Mackey–Glass equation - Zoom Meeting, ID: 854 4481 3089 - - -
György Kiss: A stability result for girth regular graphs with even girth (in English) - Online, Zoom webinar - - -