Timeline for Cardinality of a polynomial image $\pmod{p^n}$

Current License: CC BY-SA 4.0

15 events

when toggle format	what		by	license	comment
Oct 12, 2022 at 17:47	history	edited	Rfluid	CC BY-SA 4.0	deleted 46 characters in body
Oct 11, 2022 at 20:56	history	edited	Rfluid	CC BY-SA 4.0	Fixed issues pointed by Gerry Myerson.
Oct 11, 2022 at 16:19	comment	added	David Loeffler		There was a very nice MO question about this last year: mathoverflow.net/questions/405262/…. Maybe there might be something useful there.
Oct 11, 2022 at 16:02	history	edited	Rfluid	CC BY-SA 4.0	added 1 character in body
Oct 11, 2022 at 14:43	history	edited	Rfluid	CC BY-SA 4.0	Fixed issues pointed by Gerry Myerson.
Oct 11, 2022 at 4:34	comment	added	Gerry Myerson		That display is hard to parse, due to its being so long, having some unfortunate linebreaks, and using the same symbol for cardinality, "divides", and "such that" (I think). Maybe introduce some abbreviations first, and decrease the amount of white space in a few places.
Oct 10, 2022 at 19:26	history	edited	Rfluid	CC BY-SA 4.0	deleted 2 characters in body
Oct 10, 2022 at 19:09	comment	added	darij grinberg		Note that this divisibility is ultimately due to Hensel's lemma, whose application here relies on the fact that $\left(x^k\right)' = kx^{k-1}$ has no invertible roots when $p \nmid k$.
Oct 10, 2022 at 18:08	history	edited	Rfluid	CC BY-SA 4.0	edited body
Oct 10, 2022 at 18:07	history	edited	Rfluid	CC BY-SA 4.0	deleted 8 characters in body
Oct 10, 2022 at 18:06	history	edited	Rfluid	CC BY-SA 4.0	added 7 characters in body
Oct 10, 2022 at 18:04	history	edited	Rfluid	CC BY-SA 4.0	added 2 characters in body
Oct 10, 2022 at 18:03	history	edited	Rfluid	CC BY-SA 4.0	added 310 characters in body
S Oct 10, 2022 at 17:51	review	First questions
Oct 10, 2022 at 18:47
S Oct 10, 2022 at 17:51	history	asked	Rfluid	CC BY-SA 4.0