Space-time structure

What Hacker News says

1. hdkmrafJan 2017
   Space-Time Structure, by Erwin Schrödinger. Great read to understand complex systems, manifolds and tensors.

   And...

   A History of Warfare, by John Keegan. Great analysis of various cultures and how they have approached war across history.

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2. theideasmithOct 2016
   Here's a standard Topology textbook which will get you up to speed on manifolds: http://www.maths.ed.ac.uk/~aar/papers/munkres2.pdf

   And here's Schroedinger's Space-Time Structure which has an intro to tensors: http://strangebeautiful.com/other-texts/schrodinger-st-struc...

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