The Stacks project

Recent comments

• May 12 2026: tag 02Y5 by Elías Guisado
• May 12 2026: tag 003O by Elías Guisado
• May 11 2026: tag 035W by stacks project
• May 11 2026: tag 0C2X by stacks project
• May 11 2026: tag 02XT by Elías Guisado

Recent commits

• 11 May 2026: Reference an internal lemma
• 11 May 2026: Fix a proof in algebra
• 06 May 2026: Improve a proof
• 06 May 2026: Fix direction compositions
• 06 May 2026: Fix a bunch of typos in derham.tex

Recent blog posts

• 30 Jan 2026: Update
• 25 Jan 2026: Nonflat deformation theory
• 28 Sep 2025: de Rham cohomology of an Artinian ring
• 25 Sep 2025: Surjective map from affine space
• 15 Aug 2025: The theorem on formal functions

Statistics

The Stacks project now consists of

• 7641 pages
• 765808 lines of code
• 21394 tags
• 3292 sections
• 116 chapters
• 244 slogans