Modern Problems of Mathematics and Computer Science . Issue. 12" edited by P. Yaroslavl State University G. Demidova is a fascinating and in-depth study that attracts the attention of both students and professionals in mathematics and computer science. This edition will certainly be a valuable addition to the library of anyone interested in current trends and challenges in these sciences. In the twelfth issue of the collection, the authors raise a number of topical issues related to both theoretical and practical aspects of mathematics and computer science. Readers will be able to immerse themselves in the analysis of modern algorithms, learn new approaches to solving mathematical problems and get acquainted with the latest achievements in the field of computer technology. Each section of the book is filled with fresh ideas and research results, which makes it an indispensable source of information for those who seek to be aware of the latest scientific discoveries. This book will be of interest not only to specialists and researchers, but also to students who study mathematics and computer science. It is suitable for readers of different ages, from high school students to graduate students and teachers. If you are passionate about mathematics, programming or just want to expand your knowledge in these areas, then "Modern Problems of Mathematics and Computer Science. Issue. 12" will be a real find for you. The topics raised in this issue cover a wide range of topics, from number theory and combinatorics to modern programming and data analysis. The authors not only share their research, but also offer readers new approaches to solving classical problems, which makes the book especially valuable for those who are looking for non-standard solutions and creative methods of working with data. In addition, the publication addresses issues related to the application of mathematical methods in various fields of science and technology, which emphasizes the interdisciplinary nature of modern research. Yaroslavl State University named after P. G. Demidova is famous for its high level of education and scientific work, and this issue is no exception. The book is written in accessible language, which makes it understandable even for those who are just starting their way in mathematics and computer science. The style of the authors is clear and logical, which allows the reader to easily follow their thoughts and absorb the material presented. If you are looking for literature that will help you understand the complex issues of mathematics and computer science, or want to learn about the latest advances in these areas, then "Modern Problems of Mathematics and Computer Science. Issue. 12" would be a great choice. This edition will not only expand your knowledge, but also inspire new ideas and projects. In conclusion, it is worth noting that the book “Modern problems of mathematics and computer science . Issue. 12" is not just a collection of articles, but a real treasure trove of knowledge that will be useful for both professionals and amateurs. Do not miss the opportunity to get acquainted with the latest scientific achievements and discover new horizons in the world of mathematics and computer science!