https://stacks.math.columbia.edu/recent-comments.xml Stacks project, see https://stacks.math.columbia.edu en stacks.project@gmail.com (The Stacks project) pieterbelmans@gmail.com (Pieter Belmans) https://stacks.math.columbia.edu/static/stacks.png https://stacks.math.columbia.edu/recent-comments.rss https://stacks.math.columbia.edu/tag/08Y7#comment-11252 A new comment by yj on tag 08Y7. ↑ sorry $\mathrm{End}_R(E,E)$ ?? typo? $\mathrm{End}_R(E)$ ?? (assertion (3) and l.2 in the proof)

]]> yj Sun, 08 Feb 2026 04:17:10 GMT https://stacks.math.columbia.edu/tag/08Y7#comment-11251 A new comment by yj on tag 08Y7. $\End_R(E,E)$ ?? typo? $\End_R(E)$ ?? (assertion (3) and l.2 in the proof)

]]> yj Sun, 08 Feb 2026 04:16:18 GMT https://stacks.math.columbia.edu/tag/08IL#comment-11250 A new comment by Maximilian Schimpf on tag 08IL. In the first paragraph of the proof: Is the functor $QCoh(\mathcal{O}_\mathcal{X})\rightarrow QCoh(\mathcal{O}_U)$ really the restriction? If so, I don't think this should be essentially surjective e.g. take $\mathcal{X}$ affine and $j:U = \mathcal{X}\coprod \mathcal{X}\rightarrow \mathcal{X}$. You probably need to require that $j$ is an open immersion.

]]> Maximilian Schimpf Sat, 07 Feb 2026 09:08:46 GMT https://stacks.math.columbia.edu/tag/0BSH#comment-11249 A new comment by Tairun Chen on tag 0BSH. should say $R\to A$ is filtered colimit of ... instead of $A$ is ...

]]> Tairun Chen Tue, 03 Feb 2026 10:04:10 GMT https://stacks.math.columbia.edu/tag/0AYW#comment-11248 A new comment by Manolis C. Tsakiris on tag 0AYW. $X'$ should be the product of the $X_i$'s. Also Lemma 0AYU requires $X'$ to be proper, so a justification should be given. For instance this is true because $C_i$ is the reduction of $X_i$.

]]> Manolis C. Tsakiris Mon, 02 Feb 2026 10:16:47 GMT https://stacks.math.columbia.edu/tag/0BFD#comment-11247 A new comment by Stacks project on tag 0BFD. Going to leave as is.

]]> Stacks project Fri, 30 Jan 2026 01:19:20 GMT https://stacks.math.columbia.edu/tag/0H7Q#comment-11246 A new comment by Stacks project on tag 0H7Q. OK, I've changed something and we'll see if it works when I next update the website.

]]> Stacks project Fri, 30 Jan 2026 12:59:02 GMT https://stacks.math.columbia.edu/tag/00DR#comment-11245 A new comment by Stacks project on tag 00DR. Going to leave as is.

]]> Stacks project Fri, 30 Jan 2026 12:56:20 GMT https://stacks.math.columbia.edu/tag/03GT#comment-11244 A new comment by Stacks project on tag 03GT. Well, I find the text clearer than your suggestion. Maybe others can chime in?

]]> Stacks project Fri, 30 Jan 2026 12:55:43 GMT https://stacks.math.columbia.edu/tag/04XU#comment-11243 A new comment by Stacks project on tag 04XU. Thanks and fixed here.

]]> Stacks project Fri, 30 Jan 2026 12:49:24 GMT