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21:05
Damn, I have spent almost the whole day trying to figure out an inequality which I had figured out before just because I have misread a set B as D.
I feel so stupid now :-).
Heh. 2-a-b = (1-a)+(1-b) :)
@anon The last line there confuses me. You have the sum of two integrals each of which seems to become psi of something. But according to the Wikipedia article, each psi should equal the integral minus the Euler-Mascheroni constant. Where did the gammas go?
Oh crap.
Fixed. They disappeared when I originally had (1-a) - (1-b)
@AsafKaragila Nope, couldn't find it in my history. Do you know some words of the title, by any chance?
@tb Nope. I just remember that it is very very old.
21:15
did it spawn a meta thread?
I don't remember anymore :\
Must be the Arak.
I think it just ended up with a suspension, a possible deletion which followed by an undeletion.
Oh yeah, I was wondering why he was suspended.
21:19
So what happened to Chandru? I noticed his account got suspended and then he came back as Chandru1 and now he's gone again...?
@tb Ha, you, Asaf, and I are three of the five close votes on that.
@anon: The short version is: Iirc he was suspended because he copied passages from text books and presented them as his own.
@Matt: He goes under the handle Chandrasekhar now. Not very active these days.
@t.b.: I see, so he is back : )
I think it was a paper by someone, but the principle's the same.
I thought he'd been doing it repeatedly.
@Matt He's doing it continously.
Chandrasekhar was suspended some time ago, no?
@MikeSpivey: Oh noes, I just noticed I cannot edit your chat messages chuckle
@Jonas: Yes but he got revived.
21:25
So I guess I'm the only one who's not working and just sitting in front of my computer....
Nah. I'm also not working.
I should be writing a letter of recommendation.
I'm also not working. I'm being frustrated that I have nothing alcoholic in my home after I've discovered that I've been working a whole day on something I've misread :-).
@Srivatsan: Did you see my second link? :D
Count me as number 5 for not working when should be.
21:27
@AsafKaragila bridging the time until the whisky-casks are delivered, I presume...
@Jonas: Thank you. That answers my question about whether others also drink sometimes. I've been thinking about it a lot lately because every time I do it I feel so stupid about it afterwards but then I end up doing it again : (
@tb Oh right. Did not see, thank you.
@tb Did you and robjohn buy them already?
Don't drink too much @Matt :-).
@Matt: Yes, don't drink and derive.
21:28
I once learned a very important saying about alcohol.
@Srivatsan No problem, I just wanted to let you know that you wouldn't be the first to tease him about it...
@AsafKaragila Nope, the bill goes to you, we drank them already.
Everyone should know their limits with alcohol, so they would not drink too little.
@tb Jerks.
I think it's an important question. I mean it's kind of a paradox. If I drink I kind of lose time. But on the other hand I'm enjoying myself during the time I lose.
@MikeSpivey: : D you been drinking?
@tb I am not teasing him, no. I even joined him in his fight. =) [I edited one post that read "equicontinous".]
You "lose time" no matter what you do. (Except if you travel at the speed of light, according to special relativity.)
21:30
@Matt It's partly a reference to a chat conversation yesterday. :)
But that depends on the definition of the word lose, @anon
Sort of odd, reading about "losing time" when hanging out on math.SE, especially chat...
@tb: I like to think that I need some time to relax from time to time.
@MikeSpivey Holy trout! That was yesterday?! It feels like three days at least.
@Srivatsan: what's this? one down, 50 to go?
21:32
You don't lose time if you are living on borrowed time to begin with...
So that would mean the time is not lost...
@tb Think of it as: in fifty more days, "continous" will be eradicated from MSE. =)
@Srivatsan Except that my chat comment cannot be edited and so will live forever.
Actually, I have also been wondering how you guys are always so fast. It's very hard for me to stumble upon unanswered questions at my level.
@MikeSpivey Probably Asaf can remove it.
21:34
@Henning: Ack, you're probably right. He is the Koenig.
@Matt Well, definitely. We should go and have a beer (or whatever you like) at bqm at some point, I think there are a few things we should talk about (frustration, anxiety, and so on).
I maintain a cool level of being lazy.
Obligatory Koenig reference. =)
@tb: OK, that caught me by surprise completely... I'm not sure I am up to that. I mean: would I still be able to use SE after that? I don't know...
@Asaf: I like that.
@Matt sorry about that.. well, certainly. I'm not going to interfere with your SE-activity in any way :)
21:37
@tb: Are you going to preform an SE-ectamy on him?
@AsafKaragila It looks like it was two days ago. My days must be running together.
@MikeSpivey So we're both wrong :-D
The important thing is that I was right.
@AsafKaragila :D
Now I'm not sure I'm still following the conversation. Interfere with what? And shouldn't it be SE-ectomy? en.wiktionary.org/wiki/-ectomy
Doesn't sound nice either way.
@Matt: I'm sorry about having caught you by surprise, and yes, no worries, I'm not going to interfere with your (or anybody else's) SE-activity
(except mass-point geometers, maybe, if I could).
21:40
@tb: : D whatever that means.
look up the tag.
Can I also go for a beer at bqm?
@tb Hopefully we needn't bother about MPG anymore. That field contains precisely 4 problems, and hopefully we have seen them all already... =)
@Srivatsan Well, that's what I hoped, too, but now we've got an open problem: why do we need to split the mass. *suppresses some cuss-words*
Oh noes: are all of you around here?! I mean it's irrational to think I might bump into you and be all embarrassed about my questions on SE seeing as you don't know my face but still.
@tb: I'm looking at Victors questions. You don't like poor English I take it.
21:45
@Matt Don't worry, AFAIK, Sam, you and me are the only SEers from Zurich. Asaf and his no-choice land resides in Beersheva.
@Matt Nothing against poor English, let me refer you to joriki's lament instead of my previous comment
I am signing an email with "Have a pleasant flu". :-D
I noticed that ones that contain "Dear Sir" and "G*d bless" and similar usually get edited, down voted or closed. Then I usually feel sorry for them because where they are from they probably don't get to learn any English at all.
2
Whenever someone mentions God, I always think to myself "I didn't vote for him..."
@AsafKaragila Didn't get it. What's voting got to do with this?
Infinite series can be defined in arbitrary normed rings, right?
21:51
@anon make them complete to be sure.
@Srivatsan Come and see the violence inherent in the system! Help, help, I'm being repressed!
@AsafKaragila That is my favorite quote from "Holy Grail."
@tb if you want to have convergence, yeah. picky picky :-)
@MikeSpivey King, eh? Well, I didn't vote for you.
21:52
@robjohn Srivatsan won't get what voting has to do with this.
oh, bein' repressed.
2
@robjohn Unfortunately, it's been so long since I've seen the movie that I don't remember the surrounding dialogue.
*King Arthur:* The Lady of the Lake, her arm clad in the purest shimmering samite, held aloft Excalibur from the bosom of the water, signifying by divine providence that I, Arthur, was to carry Excalibur. That is why I am your king.
*Dennis the Peasant:* Listen. Strange women lying in ponds distributing swords is no basis for a system of government. Supreme executive power derives from a mandate from the masses, not from some farcical aquatic ceremony.
@tb Is that from memory?
@tb good memory ;-)
21:54
@MikeSpivey in the interest of full disclosure copy-paste is the magic word
@tb I once knew a guy who claimed to be able to quote the entire original "Star Trek" movie from memory. I stopped him about ten minutes in.
So it wouldn't surprise me if you had done it from memory.
While I cannot recite the entire original run of Futurama, I can pinpoint almost every given quotation.
2
Can people with 10K+ see deleted chat messages?
@MikeSpivey Well, I could've done that maybe ten years ago, but you know, Asaf, his Whiskies, and all that.
@robjohn I can't, but maybe the König can.
if you have a complete normed ring you can also define infinite products, no?
21:57
@tb Nope.
@tb Yeah, bein' the Koenig, and all.
@tb: Regarding your bqm suggestion: Maybe I can face it in a year from now or so after I decided where to emigrate to and whether I quit maths or not.
@anon why not?
out of my comfort zone, just making sure.
Where and what is bqm?
21:59
@Asaf: It's some random bar in some random place in Europe.
Not important, really.
@robjohn: No we can't see removed chat messages.
@Matt Zurich? I heard the bars are mediocre there.
@AsafKaragila bqm is the student's place to hang out at ETH. It's a nice pun, bQm pronounced Bequem - comfy.
@Asaf: can you see deleted chat messages in this room?
22:00
@Asaf: Everything is mediocre here, believe me.
Especially the students...
Hmm, didn't think about that. Can you Asaf?
No, I cannot see removed messages.
@AsafKaragila And the webpage is with classical Swiss -li diminutive: bqm.li
So they are truly deleted.
22:01
@tb: yeah I thought about spelling it out but then thought never mind... it's really everything, not just the students.
*) mediocre at best, mind you
@Matt Matt: it's your call. It might do some good, and I'm not such a bad guy, you know?
I'm not sure I know that... : ) basically you could be anyone.
He can only be himself.
Imigrate to NL and smoke pot all day like everybody does around here.
@JonasTeuwen yeah, but that's no fun if you have to smoke it green
22:04
I don't like pot, it just makes me tired.
But did you try Nederwiet?
Overdose, I presume.
I like pots and pans. I like cooking.
Nope. I don't think the sort makes any difference.
It's not for me.
Been there, done that.
Cooking and whatnot?
22:06
Cooking is too much work.
Depends on what you cook.
I made a personal variation on a Sloppy Joe today.
I can cook many different things including Japanese but the truth is I'm not keen on eating my own cooking (even though everyone else is) I'd much rather eat someone else's cooking : )
It took about six minutes.
That doesn't sound healthy.
Why not?
Minced meat, fresh not frozen with most of the fat removed.
22:08
It looks like a big white bun stuffed with minced meat.
Fried in tomato paste, salt, pepper, cumin, baharat, paprika, onion and garlic.
Then you just put it in a bun with some freshly cut tomato.
That's all tasty but where do you get your vitamins from?
one tomato won't do
If it wasn't so expensive I'd buy some pine nuts to add to that meat as well.
I have a body which is in constant stress, I have no idea how come that I have no vitamin deficiencies (and I don't)
How do you know?
My hair is very healthy, I have no discoloration in my nails whatsoever, and I am probably healthier than most people modulo underweight a 12.5 years long headache and minor knee problems due to weakening of muscle tissue in my thighs.
22:12
Is this #therapy?
@anon I guess the issue is that you don't have too many nice convergence criteria in the absence of log. A very nice exposition of products is in Remmert but he only treats the complex case.
@JonasTeuwen: yes it is : )
@tb See my comment to that.
@Jonas: Aha, we have an IRCer in the room. @tb hmm, that makes sense.
I am also on IRC.
I am on IRC for the past 11 years or so.
22:16
@anon This young jerk was breast-fed with the internet. He had no choice but to land on IRC and end up being the König here.
Do you reckon this counts as a duplicate? math.stackexchange.com/questions/78341/…
@tb Yeah, I had internet access back in 1996-7 or something like that. One of the first guys in my class to have internet at home. Since then I had no choice but to become the Koenig here.
@tb Holy hell... look at what I caused! :|
*facepalm*
did that question title just change to "a general comment"? lol...
@Matt I don't think so, the "duplicate" is a much more specific situation.
22:21
Ok.
@AsafKaragila ROFL
I had ADSL in 1996 :-). Data limit of a whopping 500MB!
Wow.
I had dialup until 2002.
So I should be the Koenig.
Not really. You're Belgian...
You'd just crumble at the hands of the first Nazi marching into the chat.
2
22:27
@anon Yes it did. Talk about missing the point.
@AsafKaragila Relief
@tb Yeah, I guess so.
@JonasTeuwen How does Nate do that? He always asks darn good questions.
Haha, @Asaf, your comment amuses me: math.stackexchange.com/questions/78339/…
22:31
I'm not sure. Probably he does good research...
I think there should be more people with a sense of humour.
@Matt: Congratulations; your time in here today just earned you the talkative badge. :)
@Matt You're talking to some mathematicians here, right?
@JonasTeuwen Yes, obviously.
I don't really want any badges : )
@Matt Yeah, I'm not sure if it's a good thing or not. :)
22:33
It doesn't do any harm, I just ignore it.
Just a plain beautiful argument
(we were talking about underrated answers, earlier today)
Yeah I remembered that when you linked.
@Rasmus: How are you doing?
There are many underrated answers. But what's more important: there are even more overrated ones. I think SE has a bike shed problem.
@tb Yes, that is a pretty argument.
22:36
@Matt I don't know how to write a bike, so I don't have that problem.
@tb: good, how are you? never followed this chat.
Bike shed problem = there are more people who have an opinion about what colour to paint the bike shed than people who understand and upvote advanced-level answers.
@Rasmus: pretty tired. Collecting together trivialities that I can't cite because people didn't write up the stuff properly. My main occupation during the past few months.
Anyway I think it's time for me to leave. Nice talking to you, I think I'll be back : )
Crap - my tent spaces are maybe not my advisor his tent spaces but I did use his theorems!
22:38
@Matt Oh. That. Yeah, I suppose I can't complain too much... Despite working in AC related areas I still get relatively good votes.
@Matt See you, Matt! Don't forget about the bQm...
@JonasTeuwen The lesson for you here is that you must always sleep in the same tent as your advisor. Spoon him if you want to use the spooning theorem.
Hi folks. Can someone take a look at this question math.stackexchange.com/questions/78346/… and maybe give me a hand.
@Matt: Bye!
@Matt Be well.
22:39
@tb: I can see how that can be tiresome ;)
@tb We should write "The Magnificent Collection of Folklore Theorems".
@AsafKaragila Oh, that would be volume 2 for me, volume 1 was my thesis...
(without the "magnificent")
@AsafKaragila I'll remember that.
22:42
@Rasmus Are you still in Denmark? Beware the bare feeted guys with beards...
2
@JonasTeuwen That I lolled at tb's remark that his thesis was a lot of folklore?
No - about the tent.
@tb: Yes I am. What/Who do you mean?
@Rasmus Did you ever see my second question?, the added bit was specifically for you (and Jonas M.)
@Rasmus this one (check out his home page)
@tb: Oh, that one. Never saw him in the math dep.
22:46
Is it possible you guys are on two different universities?
Which math dep? The only one I've ever been near was at KU, up until about 1996 or so.
Henning, since when did you ditch the socks?
Summer of 2003 more or less.
Did it make you a better mathematician?
@Henning: Yes, the one of KU.
@tb: That is an awesome post! Never noticed it...
22:50
@Rasmus Thanks, I hoped you'd like it :)
@tb I recently read about Balmer's tensor triangulated geometry and found it very cool! It's just too bad that KK(X) does not have a tensor product.
Our next seminar is about tensor products in Banach spaces.
Random question: I'm writing a letter of recommendation that requests that the letter be (1) actually signed by me, and (2) submitted electronically. The only way I can think of to satisfy both requirements is to print out the letter, sign it, scan it, and submit the scanned copy. That seems overly involved to me. Has anyone else had a request for a letter of rec with those parameters?
You can digitally sign it (not sure if that is what they mean).
@Jonas: What exactly is involved with doing that?
22:56
Or you could scan your autograph once and use that in the future.
@Rasmus Oh, that's very nice, especially his Crelle article and his ICM-notes. I haven't managed to pin down what happens in the Hilbert space case, but I think that should be doable. Ivo Dell'Ambrogio has some work on that (in his thesis and later on), but he didn't manage to extend it beyond the case of compact groups, as far as I know.
@JonasTeuwen Is that allowed usually? Scanned signature being attached to the document...
I don't know! I just know that I receive e-mails from people using digital signatures (so that I can verify that it is actually that person).
@tb Yes, his reformulation of Baum-Connes is interesting.
Is that the Luigi Ambrosio of Gradient flows?
22:58
@JonasTeuwen O.K., so I could create an image with my signature and then insert the image into the letter. Maybe I'll do that.
@Henning, Re your IT startup job - do you usually work from home?
@Rasmus: Here are the links: Balmer's ICM proceedings, Crelle, Ivo's thesis, and a recent survey.
@Srivatsan, No, that's very rare. Originally, there was some paranoia about our source code not being allowed to leave the building. That's probably not quite as bad anymore, but I've found I'm more productive at the office.
@tb thanks.
@Rasmus As far as I know, Ivo is still at Bielefeld, so it shouldn't be too hard to get him to come to Denmark or to meet him there. He's a very nice guy.
(Maybe you met him in 73037)
user20683
23:03
@robjohn about two weeks ago I asked a question about infinite sums of geometric(I think) roots of some constant. I solved the problem today. It was two divergent sequences which apparently equal complex infinity when multiplied together. (The only part I wasn't able to do on my own was that bit as I'm only cursorily versed in complex numbers) Knowing that you can move the starting index is a nice trick.
@Rasmus: And Ivo should definitely be interested in talking to Neszt.
It's a small world...
@JonasTeuwen No, it's Ivo Dell'Ambrogio, a good friend of mine.
Ambrosio is nice, too, but he's at Pisa.
@tb That's true. As far as I know Ralf is also in contact with the people in Bielefeld.
Anyone here willing to help with this: math.stackexchange.com/questions/78346/… ? :)
23:05
Ambrosio was in the PhD commission of the postdoc in my office :-).
@JonasTeuwen Ah, that's why you're interested in gradient flows on metric spaces.
@PantelisSopasakis This channel is not really to try to hurry people to look at your question. If it is interesting enough somebody will answer it.
3
Yes! I've read the book, and asked someone to make a course about it (which I have followed) after he told me some cool things about it.
I am tired and cold.
OK, take your time... I didn't mean to hurry you!
@JonasTeuwen No this channel is only for people to get people to upvote your answers.
23:06
Hah.
I thought it was a channel about cooking and alcohol.
@AsafKaragila Help, help, the König's being repressed!
@WorldEngineer where was this?
user20683
@robjohn on the 14th
OK, I'll rephrase it: "Anyone perspicacious enough to realize the value of my question and upvote it first: math.stackexchange.com/questions/78346/…; (or at least downvote it, but give an answer) :-)
user20683
23:08
Oct 14 at 21:42, by Gortaur
@WorldEngineer =...
Goodnight.
@Rasmus bye!
@Rasmus: goodnight!
@tb I guess you're not tired of the Koenig jokes for now :-)
@AsafKaragila unless you make them, and pin a pointless instance at the top of the wall!
23:11
@Rasmus Goodnight.
@tb This was a demonstration of how I can pin a pointless instance of the joke to the top of the wall.
Yes, but the point's been made...
Yeah, so now I want to see how long that thing is gonna be up there if I don't touch it :P
Forever.
@WorldEngineer Was this regarding this problem?
23:14
@JonasTeuwen And now he's read it and put it in an even nicer way. Some people are just too good for me to believe that I'm a mathematician.
user20683
@robjohn no, it was regarding the problem of the month at my school
@tb You mean he wrote down the proof in a nicer way?
@JonasTeuwen yep, but not just that.
user20683
I try to ask as little as possible about problems as I think I learn more by doing them as solo as possible. I clear roadblocks with questions and keep going
@tb Yes :-).
That result might actually turn out to be useful for me.
23:17
Oh, undoubtedly!
@WorldEngineer Ah, okay. So everything is good with that?
What is a "fourth year undergraduate"? Undergraduate is three years in Europe.
@WorldEngineer: it was this problem...
?
Okay, someone just starred a question mark. I think you want the line above it...
@anon Huh?
23:27
No, I wanted the question mark.
I think so, or else it was a really good question mark.
@AsafKaragila Why did you ruin it?
@JonasTeuwen I'm an expert on question marks, this one is a fake!
Hi, everybody: is there anyway to solve this problem ( math.stackexchange.com/questions/78049/… )?
@JonasTeuwen I wanted to see if you'd notice.
23:28
@Victor No.
@Victor Yes. There is a way. There is always a way, this is what the axiom of choice tells us.
(as in: be patient)
@Victor Yes, it's on Wikipedia.
4
@Victor yes :-)
@tb - so, can we explain why that method is valid by area?
23:31
@Victor The triangles in question have the same base.
@JonasTeuwen I won't ruin it this time.
Good.
Unfortunately, there is no single question mark.
@Victor It might help to actually work through and think about Phira's answer you got recently. Everything's there.
2
Damn Google. Since when did search become "OR"?!
@JM Did it?
23:39
@JM Is it Mike's OR?
There must be a bug, I didn't star the question mark, but if I do it says "Too late to undo this operation".
The last search I tried, when I looked at one of the results, only one of my three search terms was there.
Good night, guys.
Good night!
@tb - i prefer to use more elementary ways like by using area
23:41
@Jonas: good night.
Goodnight everyone!
I foresee a question about the order of AB as a subgroup of G soon.
good night
Easy to see why. :) Georges is always delightful.
23:47
You guys think that the category of cats might have a similar notation as the category of (small) categories?
@JM I'd love to meet him once, in Nizza, have a Bouillabaisse with him and talk to him about math over a few glasses of Pastis
on a more amère note: my mentioning thinking chased Mr V away...
user20683
@robjohn yes it was that one
user20683
two sequences similar to that
user20683
same pattern different numbers
@WorldEngineer okay, so now I know to what you were referring.
23:51
@tb What can we do, right? :D
@JM If you don't mind me asking a personal question: did you grow up bilingual or where does your knowledge of English colloquialisms come from?
Well. I am going to take a stroll down dreams avenue.
@AsafKaragila Good night!
Will try. You too.
@tb No problem with personal questions (so far). :)
23:55
Oh, I hate that. 5 minutes to the edge, and 5 points to capping :D
Anyway... yeah, somewhat bilingual. It's a bit of shame for me that I know English way more than my native language.
I was, shall we say, soaked in the language as a child...
I've only lost 5 rep to being capped.
@tb I'd give you the 5 over I've gone, but I never got them. :-)
@JM But your first language is this Tagalog derivative you have on the Phillipines?
We complain about caps... I'd think the rep Arturo lost to caps would be a decent amount of rep for the regular user.
@tb Yes, Filipino is the dominant language here. Unfortunately we didn't use it as much when I was a kid.
@tb you're capped.
23:58
@JM Arturo=Jon Skeet on math.SE
Yeah, they make Jon Skeet jokes on meta.SO the way we usually do Chuck Norris jokes...
@tb: now you've lost 5 rep to being capped :-p
@robjohn Thanks a lot, 2 minutes before official midnight!

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