Talk:Commutativity of Spectrum in Algebra over Complex Numbers

I have no idea why these eqns are not rendering properly. There are no double {s. Can someone investigate? Caliburn (talk) 22:17, 15 August 2023 (UTC)
 * -{ seems also bad. --Usagiop (talk) 00:08, 16 August 2023 (UTC)


 * This. For the record, $-$ followed by ${$ cause a formatting problem. You need a space between them. --prime mover (talk) 05:20, 16 August 2023 (UTC)