The Fourth International Conference Women in Mathematics in South-Eastern Europe, held from December 18th to 20th, 2023, in Sofia, Bulgaria, marked a significant event in the academic calendar of the year. Organized jointly by the International Center for Mathematical Sciences – Sofia (ICMS-Sofia) and the Institute of the Mathematical Sciences of the Americas at the University of Miami (IMSA), the conference focused on celebrating women's contributions in Mathematics, disseminating new results, and fostering long-term collaborations among scientists in South-Eastern Europe.

The International Conference Mathematics Days in Sofia – MDS 2023 took place from July 10 to 14, 2023. Since its first edition in 2014 the conference is held under the patronage of the President of the Republic of Bulgaria. The event was organized by the Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences in collaboration with the Union of the Bulgarian Mathematicians and the Faculty of Mathematics and Informatics of the Sofia University. One of its main goals was to bring together Bulgarian mathematicians and computer scientists working all over the world and to acknowledge the relations between the mathematicians working in Bulgaria and the Bulgarian mathematical diaspora.

The International Conference Mathematics Days in Sofia – MDS 2023 will be held from July 10 to 14, 2023. The conference is under the patronage of the President of the Republic of Bulgaria, Mr. Rumen Radev. The event is organized by the Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences in collaboration with the Union of the Bulgarian Mathematicians and the Faculty of Mathematics and Informatics of the Sofia University. One of its main goals is to bring together Bulgarian mathematicians and computer scientists working all over the world and to acknowledge the relations between the mathematicians working in Bulgaria and the Bulgarian mathematical diaspora.