The book "What is mathematical physics" by the authors Arsenyev A. A. and Samar A. A. It is a fascinating and deep dive into the world of mathematical physics, an area where mathematics and physics intersect, creating powerful tools for understanding the laws of nature. This edition will be a real discovery for both students and professionals seeking to expand their knowledge and skills in this challenging but exciting discipline. From the first pages, the authors establish an intriguing dialogue with the reader, offering not just a set of formulas and theories, but a whole world of ideas, concepts and examples that make the study of mathematical physics accessible and fascinating. The book covers a wide range of topics, ranging from the basics of mathematical methods such as differential equations and linear algebra, to their application in various fields of physics, including mechanical systems, thermodynamics and electrodynamics. Each section is written with clarity and passion, which allows the reader not only to absorb the material, but also to be inspired by it. This book will be of interest not only to students of physical and mathematical specialties, but also to everyone who is fond of science. If you are a schoolboy who dreams of becoming a physicist, or already an experienced specialist who wants to refresh his knowledge, “What is mathematical physics” will become a valuable resource for you. The authors are well aware that many may have difficulty understanding mathematical concepts, and therefore they focus on intuitive understanding, illustrating complex ideas with simple examples and visualizations. The topics raised in the book concern not only theoretical aspects, but also the practical application of mathematical methods in physics. The authors discuss how mathematical models help describe physical phenomena, and how they can be used to solve real-world problems. This makes the book particularly relevant in light of current scientific research and technological developments, where mathematical physics plays a key role. The style of Arsenyev and Samarsky is distinguished by clarity and accessibility, which makes their text easy to perceive. They use a variety of real-life examples to help the reader see how mathematical physics is applied in a variety of fields, from engineering to biology. This is not just a textbook, but a real guiding star in the world of science, which inspires new discoveries and research. If you are interested in books such as “Mathematics for physicists” or “Physics and mathematics: bridges between the worlds”, then “What is mathematical physics” will be a logical continuation of your scientific journey for you. This book will not only expand your knowledge, but also help you develop the critical thinking and analytical skills that are so important in today’s world. In conclusion, “What is mathematical physics” is not just a book, but a whole world that opens up to the reader. It is able to change the approach to the study of science, make it more exciting and accessible. If you are ready to immerse yourself in the exciting world of mathematical physics, this book will be your reliable companion along the way. Do not miss the opportunity to discover new horizons of knowledge and inspiration!