Giancarlo Bernacchi Book order

--New September 2019 revised edition --A friendly and non-formal approach to a subject of abstract mathematics that has important applications in physics, especially in General Relativity, but also in other fields. The purpose of the book is mainly didactic and requires a minimum of mathematical background (calculus, partial derivatives included). See also enlarged edition ""Tensors made easy with SOLVED PROBLEMS""

The revised release from March 2021 offers updated content that enhances the original material. This edition provides fresh insights and refined perspectives, making it a valuable read for both new and returning audiences. With improvements in clarity and depth, it aims to engage readers more effectively and enrich their understanding of the subject matter.