How come one didn't stick to or changed to the notion of supp f for the support of f? -- JanCK (talk) 17:47, 3 February 2008 (UTC)
Principal currents
I have removed a section which was directly copied (almost word for word) from a research article of questionable notability. [https://en.wikipedia.org/w/index.php?title=Current_%28mathematics%29&type=revision&diff=1068636978&oldid=1061997096] Gumshoe2 (talk) 15:02, 29 January 2022 (UTC)