Timeline for The characteristic (indicator) function of a set is not in the Sobolev space H¹
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 23, 2022 at 23:01 | comment | added | LL 3.14 | It is even never in $H^{1/2}$ math.stackexchange.com/questions/3763330/… | |
| Mar 26, 2022 at 21:42 | history | edited | LSpice | CC BY-SA 4.0 |
Proofreading while this is on the front page
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| Aug 26, 2010 at 1:15 | answer | added | Nate Eldredge | timeline score: 5 | |
| Aug 26, 2010 at 0:44 | answer | added | Dorian | timeline score: 3 | |
| May 18, 2010 at 17:18 | answer | added | Pietro Majer | timeline score: 8 | |
| May 18, 2010 at 17:04 | answer | added | Tom Boardman | timeline score: 4 | |
| May 18, 2010 at 17:01 | comment | added | Spencer | Well, those functions in $L^2$ all of whose weak first derivatives are given by $L^2$ functions. | |
| May 18, 2010 at 16:51 | comment | added | Gerald Edgar | In your attempt, what definition of $W^{1,2}$ did you use? | |
| May 18, 2010 at 16:34 | history | asked | Spencer | CC BY-SA 2.5 |