Cultural and Historical Heritage: Preservation, Presentation, Digitalization (KIN Journal) has been published since 2015. It is a open access, peer-reviewed, online journal published by the Institute of Mathematics and Informatics, BAS . The Editorial Board consists of world recognized researchers from different countries. It is included in the reference list of the National Center for Information and Documentation (NACID). The journal’s issues are published regularly two times a year. Also special issues are published. We aim to bring important research work in field of preservation, digitalization and presentation of world and national cultural heritage. The language of publication is Bulgarian, English or Russian. Publication of papers is free-of-charge.

The science series "Innovative STEM Education" is interdisciplinary, continuing and broadening the ideas with new interdisciplinary areas. The broad-based interpretation of innovative educational technologies will be leading, with a special aspect of the forum being innovation and the application of new mathematical methods in medicine and other scientific fields.

It is a open access, peer-reviewed, online journal published by the Institute of Mathematics and Informatics, BAS. The Editorial Board consists of world recognized researchers from different countries. It is a anual edition. Also special issues are published. We aim to bring important research work in field of preservation, digitalization and presentation of world and national cultural heritage. The language of publication is Bulgarian, English or Russian. Publication of papers is free-of-charge.