Currently I am reading the book Convex Polyhedra, of A.D Alexandrov, 2005, in order to understand the uniqueness theorem (s) posted mainly in chapter 3. But I am really struggling with definitions given, like development, gluing, complete angle of a development at an interior point, net, etc. These things I think, are basic in discrete geometry but the way they are presented gives me a hard time to understand in a strict mathematical way those things. I wonder if there is a sourse where I can find these elementary definitions. Thanks in advance.
2026-03-31 18:23:03.1774981383
Basic concepts and terminology about polyhedra
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