Modern Problems of Mathematics and Computer Science . Issue. 11" is a fascinating and in-depth study that opens up to readers the world of modern scientific achievements and topical issues in the field of mathematics and computer science. Published by P. Yaroslavl State University G. Demidova, this work is a collection of articles written by leading experts and young scientists who share their findings and reflections on current trends and problems in these dynamically developing areas. Issue 11 includes a variety of topics covering both theoretical aspects and practical applications of mathematics and computer science. Readers will be able to find here articles on modern algorithms, data processing methods, mathematical models and their application in various fields, such as economics, biology and engineering. Each section of the book delves into the unique challenges and challenges faced by researchers and practitioners, making it not only useful, but also fascinating to explore. This book will be of interest to both students and teachers, as well as everyone who is passionate about mathematics and computer science. University students, graduate students and young scientists will find in it relevant research and ideas for their projects and dissertations . Teachers will be able to use the materials of the book to enrich their lectures and seminars, and practitioners will be able to find new approaches to solving professional problems. The book will also be useful for those who are interested in the latest achievements in science and technology, and want to be aware of current trends. Topics raised in Modern Problems of Mathematics and Computer Science cover a wide range of topics such as artificial intelligence, machine learning, cryptography, and data security. These areas are not only relevant, but also extremely important in light of the current challenges faced by society. The book emphasizes the importance of an interdisciplinary approach, showing how mathematics and computer science interact with other sciences and how their synergy can lead to new discoveries and innovations. Yaroslavl State University named after P. G. Demidova is known for its high level of scientific research and the quality of education. Issue 11 demonstrates this by presenting the works of authors who not only possess in-depth knowledge in their fields, but also seek to share them with a wide audience. The style of presentation of articles is characterized by accessibility and clarity, which allows readers who do not even have deep knowledge in mathematics and computer science to understand the basic ideas and concepts. This book will be an excellent addition to the library of anyone interested in science, technology and their impact on modern society. It opens doors to a world of new knowledge and ideas, inspiring readers to further research and discovery. If you are looking for something that will help you understand modern scientific problems and give you the opportunity to look at mathematics and computer science from a new perspective, "Modern Problems of Mathematics and Computer Science . Issue. 11" is what you need. Thus, this publication not only meets the needs of the scientific community, but also attracts the attention of a wide audience who wants to be aware of the latest achievements in mathematics and computer science. Do not miss the opportunity to immerse yourself in this fascinating world of knowledge and discover new horizons!