The Stacks project

Recent comments

• Jul 10 2026: tag 089R by Stacks Project
• Jul 10 2026: tag 03B3 by Stacks Project
• Jul 10 2026: tag 019O by Stacks Project
• Jul 10 2026: tag 05NC by Nataniel Marquis
• Jul 10 2026: tag 015G by Stacks Project

Recent commits

• 10 Jul 2026: Update link
• 10 Jul 2026: Fix proof in simplicial
• 10 Jul 2026: Shorten a proof in algebra
• 09 Jul 2026: Fix proof of a lemma in derived
• 08 Jul 2026: Change name contributor

Recent blog posts

• 22 May 2026: Stacks project website slow
• 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

Statistics

The Stacks project now consists of

• 7651 pages
• 766883 lines of code
• 21436 tags
• 3298 sections
• 116 chapters
• 244 slogans