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Understanding sheaves §1 – Merlin's Notebook

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Sheaves came up in my last post, so , since I’m quite new to sheaves, I figured it would be a good idea to learn some more about them. Naturally, I decided to share my notes with you. The boo…

Sheaves came up in my last post, so , since I’m quite new to sheaves, I figured it would be a good idea to learn some more about them. Naturally, I decided to share my notes with you. The books I’m using to learn about sheaves are: (1) Sheaf Theory though Examples [Rosiak] and (2) Sheaves in Geometry and Logic [MacLane, Moerdijk]. I’m really enjoying both, so I recommend you give them a read, if you’re interested (maybe start with the first one). Sheaves, I say, waving my hands profusely, have to do with passing from local information to global information. Daniel Rosiak has a bunch of…

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