On April 24, 2026 (Friday), at 2:00 pm, in the Conference Room of IMI-BAS (Room 256) and via ZOOM, a preliminary defense will be held of the dissertation on Adaptive neural network for processing satellite data with different spatial and spectral characteristics by Ventsislav Polimenov, doctoral student at the Software Technologies and Information Systems section, with scientific supervisor Assoc. Prof. Krasimira Ivanova, for obtaining the educational and qualification degree Doctor of Philosophy in the higher education area 4. Natural Sciences, Mathematics and Informatics, professional field 4.6 Informatics and Computer Science. * The dissertation materials are available in the IMI library. * Zoom link: https://us02web.zoom.us/j/88606059983?pwd=rsE8lZaDFuRmGpaaIuUIPRErEV6dJM.1