While this is not strictly an MO meta question, I think it may anyway be of some interest to the community: Martin Hertweck solved the isomorphism problem for integral group rings, and this result got published in 2001 in the Annals of Mathematics. He was always a good colleague, but is now no m...

I am concerned that the 'bad reviews' regarding my most recent question are more harassment than helpful. They seem to come from distinctions between $Def$ (or what I call $\mathscr P_{Def}$), $\mathscr P_{L}$, and the usual power set operation $\mathscr P$. The answers and comments given seem ...

Similarly to Should the ti99 tag be changed to ti-99?, should datageneral be replaced with data-general for consistency, or is there a stylisation (like apple ][) that I'm not aware of?