Download or read book Quantum Field Theory, Quantum Physics and Micro-Macro Duality written by Izumi Ojima and published by World Scientific Publishing Company. This book was released on 2020-11-30 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: According to the fundamental concept 'adjunctions' in category theory, the Micro and Macro in nature can be connected in a coherent way, which constitutes quite an effective theoretical and mathematical machinery that has not been commonly recognized. On the basis of this concept, many important problems in physics and mathematics can be viewed from quite different and fresh angles, which facilitate deep understanding and the satisfactory solution of those problems.