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Welcome to SheafofThoughts.

This is a mathematics blog with posts at different levels and on different themes. The homepage is organized by category: click a title inside a box to jump directly to the recent posts in that class.

Browse by category

Topic

Algebraic Geometry

schemes, cohomology…

Topic

Number Theory

diophantine equations, primes, number-theoretic curiosities…

Level

Beginner

Beginner-friendlier posts meant to explain ideas slowly and from first principles.

Level

Intermediate

Posts aimed at readers with more background who want denser mathematical content.

Series

Series

Fermat’s Christmas Theorem

A series of posts aimed at proving Fermat’s Christmas Theorem.