The international scientific conference organised by the Kaunas University of Technology (KTU) and the Georg-August-Universität Göttingen (Germany) is dedicated to the memory of Professor Dr. Hermann Minkowski. The conference will be held on September 23-25, 2026 in the historic Aula, A. Mickevičius st. 37, Kaunas. The University of Lithuania was solemnly opened in this Aula in February 16 1922. Summaries of the accepted presentations will be published in an e-publication, which will have an ISBN. The selected papers of the Conference will be published in the Lithuanian Mathematical Journal, Editor-in-Chief Olga Štikonienė, https://link.springer.com/journal/10986. All papers will be peer-reviewed. The Special Issue will be coordinated by Guest Editors J. Brüdern, D. Bahns, M. Kopa and M. Ragulskis.