Differential geometry

This is a general question. I’d like to learn more about differential geometry. I have Erwin Kreyszig’s book. I’d like to find either good tutorials, books, or examples of numerical differential geometry. I am hoping one of you can point me to practical material. I know this isn’t directly a question about Rhino but learning more should help me with some of the Rhino concepts.

Keenan Crane provides excellent material from his courses, check out his primer on Discrete Differential Geometry here:


The Polygon Mesh Processing book by Botsch et al also has a great chapter:


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Thanks. I’ll look into those.