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David A. Craven

 Discussion on answer by user71659: Do…

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David A. Craven
Nov 13, 2024 18:00
@JanusBahsJacquet I'm not seeing that from my reading of the link, the pertinent part is not quoted in the answer. The lack of recovery of damages only takes place if the damage occurred in the prevention of the crime or the apprehension of the suspect. Someone lying on the ground with an injury is not being apprehended during a beat down. Without that exclusion I cannot be sued if I beat up someone on their release from custody because they did something to me years before.
 

 Discussion on question by kuroko tan:…

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David A. Craven
May 25, 2024 20:41
Any minimal normal subgroup is isomorphic to a direct product of isomorphic (possibly abelian) simple groups. Does that sound familiar?
David A. Craven
May 25, 2024 20:41
So what are the possible orders of a minimal normal subgroup of $G$?
David A. Craven
May 25, 2024 20:41
Do you know that the only orders of non-abelian simple groups of order less than $360$ are $60$ and $168$?
 

 Discussion on question by AkiPhD: Wha…

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David A. Craven
Nov 27, 2023 00:09
A Google suggests SME = subject matter expert. But I'm confused here: this is you, a social scientist, writing a paper in computer science with computer scientists, and you are the subject expert? Perhaps this is a clash of academic approaches, and since you are the outsider, it's your approach that would have to adapt? Difficult to tell without more information, which for obvious reasons cannot be forthcoming.
 

 Discussion on question by Avenstoro: …

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David A. Craven
Jun 14, 2023 06:09
Did the interviewer take no notes during the interview? That's weird, no?
 

 Discussion on question by Mario: What…

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David A. Craven
Feb 1, 2023 17:33
@Ian The damage done to the OP's reputation would be terminal, not substantial. Anyone who knew what happened, and that would be everyone in their field, would simply refuse to review their work forever. Without reviewers, all papers, applications, everything they did would sink immediately. That's even without succeeding, merely launching the suit.
 

 Discussion on answer by EarlGrey: I c…

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David A. Craven
Jan 17, 2023 17:05
I think this is enough for me, and I'll leave everyone alone!
David A. Craven
Jan 17, 2023 17:05
@BryanKrause I think his question has been answered, but the underlying issue seems to be 'I should be able to do things first, apologize afterwards, and not suffer any consequences for my original actions'. This is probably not the best place to try to sort that out. But the correct answer should be 'You did something wrong and you need to accept that'.
David A. Craven
Jan 17, 2023 16:54
Many journals require you to explicitly click a button saying the work is not under consideration elsewhere. I suppose people might just click it without thinking, but if you have been thinking about this hard, and talking to other people about it, it makes the threshold for reasonable doubt higher. I don't think Ameer set out to mislead the journal for personal gain, but in submitting he probably did lie.
David A. Craven
Jan 17, 2023 16:54
@BryanKrause This is a good question. Is something a lie if it was a deliberate misleading as to the facts, or whether it requires that the person make a gain from this action.
David A. Craven
Jan 17, 2023 16:42
Standard journal text: Submission of a manuscript implies: that the work described has not been published before; that it is not under consideration for publication anywhere else. By submitting you lied.
David A. Craven
Jan 17, 2023 16:40
I actually don't think you aimed to deliberately mislead them. But you did lie, and you did get caught.
David A. Craven
Jan 17, 2023 16:39
You might claim you forgot about telling them, but from their perspective, you lied.
David A. Craven
Jan 17, 2023 16:39
@Ameer You did lie. A lie of omission is a lie. You didn't tell J2 that you also submitted it to J1. There's your lie.
David A. Craven
Jan 17, 2023 16:31
You obviously don't seem to get that you are in the wrong here. So I'm done trying to help you out. Maybe when you grow a little older and mature you'll realize that people can't always just say sorry and everything is forgiven. You are being punished for doing a bad thing, and you don't like it. But they won't stop punishing you just because you feel put out about it. I'm done here.
David A. Craven
Jan 17, 2023 16:31
@Ameer That is different. You lied to the second journal by not informing them of the situation. You broke your contract with Journal 2, and yes, you did have a contract with them under the concept of promissory estoppel. Now you are blaming journal 1 for why you lied to journal 2. Your lies to J2 are not forgiven because of anything J1 did. "Look what they made me do" is not a defence you are going to get far with. J2 is reasonable in banning you, and ignoring your protestations. You are in the wrong. As a journal editor, I would ban you, and I would ignore your self-serving pleas as well.
David A. Craven
Jan 17, 2023 16:31
@Ameer BUT YOU ARE UNDER AN OBLIGATION NOT TO HAVE IT SUBMITTED TO TWO JOURNALS AT THE SAME TIME. I mean, Jesus, can you not understand this? You lied to the second journal, they caught you lying, and they banned you. Suck it up, and be glad they didn't tell everyone that you are a liar and you get banned by everyone.
David A. Craven
Jan 17, 2023 16:31
@Ameer A man is married to someone, but wants to break it off. He files for divorce, but she keeps delaying things, the courts are taking ages, so he gets fed up. He starts dating again. Then his new girlfriend finds out he's still married and dumps him. Should he be annoyed with her?
David A. Craven
Jan 17, 2023 16:31
@Ameer You have done a bad thing. You were caught doing a bad thing. They think you are bad. You think you are not because you have an excuse. Why are they wrong and you right? Because you think you are right, that's the only reason. They are well within their rights to cut you off, and not listen to your excuse.
David A. Craven
Jan 17, 2023 16:31
@Ameer As EarlGrey said, you made a mistake. You need to think of things from their perspective. Journals are overwhelmed with submissions, and everyone who breaks the rules will have an excuse, of course. Rather than spend time and money trying to decide whether you were genuine, just blacklist and move on. They are under no contractual obligation to listen to your apology. You might not consider it fair, but that isn't going to help in life.
David A. Craven
Jan 17, 2023 16:31
@Ameer You submitted a paper to two different journals, in violation of both journals' terms. You might have your own reasons, but from the second journal's perspective, you are not someone to be trusted. Since they get plenty of submissions, why risk considering further submissions from a known bad actor?
 

 Discussion on question by Carolina : …

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David A. Craven
Dec 12, 2022 22:07
@Stef Yes, the invigilator forced the student to look at a list of bolded letters and one by one copy them down onto another piece of paper. I might give you the first three, because you cannot unsee them. But nope, not 28 out of 28.
David A. Craven
Dec 12, 2022 22:07
@Stef This isn't quite the same situation. As mentioned in another comment, the studente definitely used the answer key. So, this is like a cop hands alcohol to someone, who then proceeds to get plastered on it and then drive home. Yes, it is your fault, and you are getting arrested for that. Possessing the answer key isn't the issue. It's using it that makes it cheating.
 

 Discussion on question by mathlander:…

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David A. Craven
Oct 27, 2022 15:35
Conway 1 does not have a faithful complex representation of dimension 24, by the way.
David A. Craven
Oct 27, 2022 15:35
Take direct products. The irreducibles of a direct product are tensor products of irreducibles for the factors. This result holds for any field, so the minimal dimension of a direct product is the sum of the minimal dimensions, and for irreducible faithful it's the product of the minimal faithful dimensions.
David A. Craven
Oct 27, 2022 15:35
The Thompson sporadic group has minimal dimension 248 for all fields.
 

 Discussion on answer by Dilworth: How…

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David A. Craven
Sep 25, 2022 13:32
Generally, there are limited instances where one may appoint someone based on a protected characteristic, more or less always when choosing between candidates of equal merit. This government document gives plenty of examples: assets.publishing.service.gov.uk/government/uploads/system/…
 

 Discussion on answer by EarlGrey: How…

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David A. Craven
Sep 14, 2022 02:40
@EarlGrey The second looks like an editor at Springer to me, as in, who works for Springer on book proposals, etc. All the publishing houses have them, I know a few of them from previous books I've written. The first didn't mention payment on it that I could see, but I'll take your word for it. I've not seen editor-in-chief jobs advertized in mathematics, personally, and the editorial boards I've been on have had changes of editors-in-chief without advertisements, or at least editors weren't alerted to them.
David A. Craven
Sep 14, 2022 02:40
@EarlGrey Ah, so we are talking about editors in chief rather than editors. I am 99% sure that Elsevier editors in general don't get paid. Maybe the head editor does, I could ask a few and find out.
David A. Craven
Sep 14, 2022 02:40
@EarlGrey I'm aware that academia varies. But your answer assumes that the editor is an employee of the journal and works at the journal. I think that's a very narrow slice of academia, where the editors aren't academics working at universities. And an admin mix-up with referee reports, which is probably what happened here, is hardly a major emergency needing phone calls and the cavalry.
David A. Craven
Sep 14, 2022 02:40
@EarlGrey I've never heard of an editor being paid. I am not paid. If I made a mistake during the editorial process then I would try to fix it, but it still doesn't come above my actual job, or my family.
 

 Discussion on question by Kevin Njoko…

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David A. Craven
Jul 29, 2022 02:58
For a start you are mixing muliplication and addition. This is unlikely to go well. If you have $sq$ in there then what happens if $s=0$? So you will have to exclude $0$ from the domain. A random operation will not be a group, and you would have to tweak it until it no longer represented anything like your operation.
David A. Craven
Jul 29, 2022 02:58
We can keep tweaking it until it's a group, but then why would an object with a different rule suddenly do what you want? Why did you come up with the rule in the first place? Where did it come from?
David A. Craven
Jul 29, 2022 02:58
So you are just changing it every time you hit a problem? This will not a group make.
David A. Craven
Jul 29, 2022 02:58
What do you think the identity is?
David A. Craven
Jul 29, 2022 02:58
The object has no identity with this new law.
David A. Craven
Jul 29, 2022 02:58
Also, you can remove the $p$ and $r$ as they just multiply together like copies of $R$, so what's left is a group iff the whole thing is.
David A. Craven
Jul 29, 2022 02:58
"n" doesn't appear in the product, so $(0,0,0,n)(a,b,c,d)$ is independent of $n$. Thus not a group.
 

 Discussion on answer by Philip Kendal…

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David A. Craven
Jul 16, 2022 00:53
@mattfreake That solicitor suggests that, but all I've ever seen is that to make a discrimination claim stick you need a folder full of evidence. And big chunks of that folder will be correspondence with the potential employer. No correspondence, no evidence. If you look everywhere other than that site, that is what you find.
 

 Discussion on question by Guest: Proo…

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David A. Craven
Jul 9, 2022 16:36
It is. $p$-groups always have abelian quotients.
David A. Craven
Jul 9, 2022 16:36
Right. $G$ has a $p$-quotient iff $G$ has an abelian $p$-quotient, because $p$-groups are soluble. We are assuming that $G$ has an abelian $p$-quotient iff $H$ has an abelian $p$-quotient. Finally, $H$ has an abelian $p$-quotient iff it has a $p$-quotient.
David A. Craven
Jul 9, 2022 16:36
Yes. So it's an immediate consequence of the statement about abelian $p$-group quotients.
David A. Craven
Jul 9, 2022 16:36
If you cannot see how $H'(p)<H$ iff both $O^p(H)=H$ and $H'<H$ then I cannot help you. And these are advanced group theory concepts. You thought about it for at most 5 minutes before asking why.
David A. Craven
Jul 9, 2022 16:36
I'll correct it: $O^p(H)\cdot H′=H′(p)$.
David A. Craven
Jul 9, 2022 16:36
$O^p(H)\leq H'(p)$. I mean, that's just with a different letter.
David A. Craven
Jul 9, 2022 16:36
$O^p(G)\leq G'(p)$.
David A. Craven
Jul 9, 2022 16:36
So you are happy with $G/G'(p)\cong H/H'(p)$?
 

 Discussion on question by Bearishmous…

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David A. Craven
May 28, 2022 19:52
Magma computed 2^80000000 in a few seconds. What actually do you think your software does that Magma (for example) doesn't do? And if you are cagey with the details no mathematicians will be interested, because you cannot prove your work is correct. You won't make money with this by going to maths departments, I bet.
 

 Discussion on answer by David A. Crav…

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David A. Craven
May 3, 2022 07:18
@PoloHoleSet The money is spent already, I would expect in all cases this will occur. Compensation for delay is not a refund, it is compensation. If I suffer the delay, I get the compensation. If I win a Nobel prize because of my work at a university, does the university get the money because the work was done on company time?