The book "Lectures on the theory of information" by B. A. Fursova is a fascinating and deep learning tool that will become an indispensable assistant for students and teachers studying applied mathematics and related disciplines. In this electronic resource, the author masterfully combines the theoretical foundations and practical aspects of information theory, which makes it not only a teaching material, but also a real guide to the world of modern information technologies. What is information theory? It is a science that studies the quantitative characteristics of information, its transmission, storage and processing . In. A. Fursow, with a wealth of experience in applied mathematics, offers readers not just a set of formulas and theorems, but a holistic understanding of how information affects various aspects of our lives. The book covers a wide range of topics, including coding, data compression, probability theory, and statistics, allowing the reader to see how these concepts apply to real-world problems. This book will be of particular interest to students, graduate students, and faculty who study applied mathematics, computer science, cybernetics, and related disciplines. If you are passionate about modern technologies, want to know how the Internet, communication systems or even artificial intelligence works, then the “Lectures on Information Theory” will be an excellent start for you. The book can also attract the attention of professionals working in the field of data processing and information technology, who seek to deepen their knowledge and skills. One of the key topics raised in the book is the importance of information in today's world. In. A. Fursov not only explains the theoretical aspects, but also shows how they are applied in various fields - from telecommunications to bioinformatics. Readers will be able to see how information theory helps solve practical problems, for example, in the field of data transmission, information compression and error protection. This makes the book especially relevant in the era of digitalization and the rapid development of technology. The author's style is distinguished by clarity and accessibility of presentation, which allows even complex concepts to be presented in an understandable and logical form. Fursov uses many examples and tasks, which contributes to better assimilation of the material. His approach to learning is based on a combination of theory and practice, which makes the learning process not only effective, but also fascinating. In addition, B. A. Fursov is known for his other work in mathematics and computer science, which confirms his status as an expert in this field. His books and articles are popular among students and professionals, which indicates a high level of trust in his knowledge and experience. If you are looking for a tutorial that will help you immerse yourself in the world of information theory and open new horizons in the understanding of information technology, then the “Information Theory Lectures” are exactly what you need. Don’t miss the opportunity to expand your knowledge and skills in this important and relevant area. The book is available in electronic format, which makes it easy and convenient to study the material at any time and anywhere . In conclusion, the "Lectures on Information Theory" is not just a textbook, but a real find for everyone who wants to understand the complex issues of information theory and apply this knowledge in practice. Immerse yourself in the fascinating world of information with B. A. Go ahead and discover the new opportunities it offers!