On January 28, 2025, (Tuesday) at 3:00 p.m. in room 478 of IMI-BAS, a preliminary defense will be held of the dissertation of Svetozar Zlatkov Stankov on Symmetry and metric geometry in Banach spaces to obtain the educational and scientific degree "doctor" in the field of higher education 4. Natural sciences, mathematics and informatics, professional division 4.5 Mathematics, scientific specialty "Mathematical analysis". The dissertation is available at the IMI-BAS library. The pre-defense will be streamed also in ZOOM at: Topic: Предзащита на Светозар Станков Time: Jan 28, 2025 14:30 Sofia Join Zoom Meeting https://us02web.zoom.us/j/87428824274?pwd=rgv2zEtbaQuKC4oTKodF0wUKw8XaaO.1 Meeting ID: 874 2882 4274 Passcode: 258222