the "Stacks Project" is “an open source textbook and reference work on #algebraic-geometry” including #3D and accepts third-party contributions
on 02024-04-15Johan de Jong’s #Stacks-Project is a single-maintainer Wiki (?) of 7300 pages about #algebraic-geometry (including #3D), of proofs, theorems, lemmas, etc., looking like “a traditional textbook”, winning de Jong the AMS’s Steele Prize #math
on 02024-04-15