The h Bar

12:00 AM

@bolbteppa pretend I know history (I will read your article); How do you suggest we move forward

Unconscious/implicit bias is not going to be solved overnight, feels like a lot of these issues stem from that kind of thing

Cows

Indeed

I do still want to find creative ways of punishing the people responsible

hehe

@bolbteppa we have to come up with new ways of governing and maintaining law and order

I don't even know how this will work

even if we do find a good way of achieving these basic things that reduces the possibility of killing because of implicit bias, and so forth

it will be hard to get it to reach wide spread acceptance

@bolbteppa can you imagine alternatives to policing that might work?

@bolbteppa alternatives to power structures that exist?

bolbteppa

@Cows people study this, e.g. youtube.com/watch?v=u5nPyf-0UMc , get a phd in this stuff and contribute ;)

Cows

@bolbteppa hehe :P

@bolbteppa my strategy is to try to make a lot of money, so that I can make a difference in my life, the lives of my peeps, and then have people listen when I speak.

@bolbteppa I feel like when I make my first million, it will be easier for me to make even more, then I can just make donations to places, build buildings and so forth then plead with people to be better and literally pay them to act nice

bolbteppa

This is probably more direct youtube.com/watch?v=RxW6OIE4CYU

Cows

12:11 AM

omg!!!!!!!!!!!

wow!

Cows

12:26 AM

I had no idea there were people out there who've done this much study and thinking about this. There seems to be quite a bit of history here, . . . hmm

Management huh interesting take, I like it

Cows

12:38 AM

After listening to Wood Jr, I'm thinking the cycle repeats every time given the way things are set up.

dmckee

@Cows In many cases minimalist awards like that are handed down as a way of saying "technically you're right, but the infraction is so trivial you shouldn't have bothered with a legal action", but I don't see how that could possibly apply to a wrongful death suit.

I've been waiting to hear if the jury will say anything in public.

vzn

@bolbteppa lol math is a big part of it but its also a 20th century tool. suspect the future will play out more in terms of (computational/ algorithmic) simulations. some very basic ones have yet to be done & are likely within reach of "tabletop experiments". there is a tendency right now to avoid areas that are too "tricky" wrt math formalism & think its leading to a "keys under the streetlight" effect. eg simplicity/ beauty/ and yes limitation of QM formalism etc

...

speaking of SJWs + justice system judgement(s) + $1 + JRs current favorite artist reminds me of the taylor swift denver DJ groping case o_O latimes.com/entertainment/…

@Cows "pay people to act nice"? sounds like george soros to me, & btw it doesnt nec really work well o_O :P

user298438

1:44 AM

H bar

Secret

5:50 AM

createdigital.org.au/…

New inertial confinement fusion type coming up

John Rennie

We'll see. Even NIF only just manages to get a significant amount of fusion. I'm sceptical that kinetic energy can achieve it. But it's worth a try - if you don't try you certainly won't succeed :-)

Secret

6:58 AM

And it is good we have these part of the private sector that has the funds to try out ideas that government may find too speculative for their plans.

Startups are wonderful on this regard

Akash. B

7:18 AM

@JohnRennie do you deal with mathematics?

John Rennie

@Akash.B no. I would ask in the Maths chat room.

Captain Bohemian

9:31 AM

in the context of group theory, what does "charged" "mean?

ACuriousMind

@CaptainBohemian Do you really mean "group theory" and not "particle physics"?

Also, it is always helpful if you provide a full sentence or more context when asking about such things

Captain Bohemian

@ACuriousMind yes, recently I have seen the term "chagred" several times in the context of group theory.

ACuriousMind

Yeah, so...what is the context actually? What is being called "charged"? Give us something to work with here

John Rennie

@CaptainBohemian central charge ?

Captain Bohemian

@ACuriousMind "O(3) charges only make sense in the disordered phase and not at all in the ordered phase. This is because when the symmetry is broken there is a condensate which is charged, which is not invariant under the symmetry group." quoted from encyclopedia.thefreedictionary.com/superselection This is the context I encounter currently. I also encountered it several days ago when I read about gauged supergravity.

ACuriousMind

9:41 AM

...that's particle physics, not "group theory" :P But anyway, in that case an "O(3) charged particle" is simply a particle that transforms in a non-trivial representation of the O(3).

Also, why are you reading a Wikipedia article on a site that just copied it?

skull

because Wikipedia is not always that good?

ACuriousMind

@skull What? My point is not whether the article is good or not, but that you might as well read it on Wiki directly instead of on a site that just copy-pasted it onto their own site.

I find these sites that (ab)use CC licenses to just fill their own pages with material others curated distasteful.

Hm, looking closer at it, this one is actually good about it - they've delisted their Wiki clone from search engines so that they don't compete with Wiki for traffic

skull

yeah, I like the freedictionary

Captain Bohemian

@ACuriousMind I wonder what "superselection" is because I have seen it many times, particularly in the context of decoherence. I am wondering what's the relation of superselection with decoherence. I seem to have the impression of having studied superselection in undergraduate quantum physics, but I am not sure if that's the same superselection here. After reading this Wikipedia page, I think they are the same though I am not completely undertstand this page.

@ACuriousMind sorry, maybe I misunderstand your question. I read Wikipedia from the free dictionary because from this page I can click any word to look up directly while from Wikipedia only highlighted words can be looked up.

ACuriousMind

I see! I didn't even notice that but that certainly can be handy

skull

9:54 AM

exactly, the free dictionary is more for laymen :-)

Captain Bohemian

@skull but I found the free dictionary has written something wrong in its grammatical page.

I found that after asking a question in ELU SE.

skull

hmm, interesting

they've come a long way

Captain Bohemian

10:18 AM

also, I suspect there is an error in the current Wikipedia page I referred to just above: I think in "all observables are invariant under G, but not every self-adjoint operator invariant under G is necessarily an observable", "observables" should be "operators".

Swapnil Das

youtube.com/watch?v=CUhXMQlRAq4 I can't see it geometrically true :/

at $x=0$ you can't draw a unique tangent, can you?

Captain Bohemian

in the section Relationship to symmetry.

Captain Bohemian

10:32 AM

@ACuriousMind is there really a difference between the context of group theory and that of particle physics when it comes to the meaning of "charged"? Particle physics is full of the application of group theory. If you think the example I just gave belongs to particle physics, then what does "charged" mean in group theory? I may give an example of another context wherein I saw "charged" later. I am too hungry to search for it now.

ACuriousMind

@CaptainBohemian No, "observable" is correct.

The sentence "not every self-adjoint operator [...] is necessarily an operator" would not make sense, would it?

@CaptainBohemian My point was pedantic: Group theory, on its own, is a pure math discipline that does not use words like "charged". It is only in the context of its application to particle physics that we begin to speak of charges.

Captain Bohemian

@ACuriousMind I mean the first "observables" in that sentence should be "operators", not the second one.

ACuriousMind

@CaptainBohemian No, that's also not true

Captain Bohemian

@ACuriousMind you think "observables", rather than "operators", should be put there?

ACuriousMind

10:48 AM

Yes, I'm saying that sentence is fine as is. Maybe it would help if you explained why it should be operators in your opinion

Captain Bohemian

Maybe I misunderstood what that sentence means. But I prefer to give my argument later after I solve my hunger trouble.

Yuzuriha Inori

11:03 AM

@BalarkaSen Congrats brother... Interview on 21st, right?

user187604

@YuzurihaInori is $\hat {i} + y \hat{j} $ a vector field?

@Blue hi...

ACuriousMind

@user187604 Please do not ping random people with questions unless you have reason to believe that the question is of specific interest to them

Balarka Sen

@YuzurihaInori That is correct.

When's yours?

user187604

OK.

Yuzuriha Inori

23rd

Balarka Sen

11:08 AM

I see.

Yuzuriha Inori

Number 41 on the list...

Balarka Sen

Nice

Anonymous

ISI results are out ?

Balarka Sen

The list of people who got interview calls for B-math has been out, yeah

Yuzuriha Inori

@user187604 Technically no, because this does not span the whole space.

Anonymous

11:12 AM

@BalarkaSen Is it public ? Link ?

user187604

@YuzurihaInori do I need the divergence of this field to know it?

Anonymous

Congrats btw :) Both of you @YuzurihaInori @BalarkaSen

Yuzuriha Inori

@user187604 To know what?

@Blue Thanks !!

Balarka Sen

@Blue Here, first link.

Yuzuriha Inori

@Blue ISI website, then interview call list.

user187604

11:13 AM

@YuzurihaInori that it is a vector field or not?

Balarka Sen

Thanks, it seems I might end up studying math after all.

Yuzuriha Inori

It would come from the definition itself. Here : en.m.wikipedia.org/wiki/Vector_field

Balarka Sen

An odd turn of events!

Yuzuriha Inori

@BalarkaSen What did you want to study?

user187604

@YuzurihaInori thanks for helping..

Balarka Sen

11:16 AM

I was meta-joking. Math, of course, but I really disliked the crummy competitive stuff I had to go through in the past couple of months.

Yuzuriha Inori

@user187604 Np

Balarka Sen

So in that sense I "don't" "really" "invest" in getting one of these universities to study math anymore. It's too much work.

Yuzuriha Inori

@BalarkaSen But your previous statement is so apt for me. I wanted to study physics, but I might end up studying math after all.

@BalarkaSen I can actually feel you... :)

Balarka Sen

@YuzurihaInori I suspect you'll find an intersection if you carry on with mathematics.

Mithrandir24601

@YuzurihaInori I started off wanting to study CS, then ended up studying physics and am now doing something involving both CS and physics (if considerably more physics than CS) :P

Yuzuriha Inori

11:18 AM

I literally need a snack. Would be back later!

Balarka Sen

Lots of physics-flavored mathematics out there that you might enjoy

Yuzuriha Inori

@BalarkaSen I hope so...

@BalarkaSen Topologyyyyyyyy

ACuriousMind

Careful that it doesn't turn into math-flavoured physics, though ;)

Balarka Sen

Topology on the whole is not physics-flavored, but there's intersection material, yes.

Yuzuriha Inori

@Mithrandir24601 Inspiring :)

Balarka Sen

11:19 AM

I had gauge theory in mind

Yuzuriha Inori

@BalarkaSen That's also niiiiicceee

I like topology because I actually need it for GR

Balarka Sen

it's cool, you should look into it

@ACuriousMind Is that what happened to you? :P

Anonymous

@BalarkaSen Don't kid us. You'd end up doing math either way. The other alternative would simply have been selling weed in the morning and doing math at night, on a treetop :P

Balarka Sen

That could still happen. I haven't taken the interview yet!

ACuriousMind

@BalarkaSen Yeah, but I started with physics, after all

Balarka Sen

11:22 AM

@ACuriousMind Oh, right. I always thought you had a mathematical background for some reason.

ACuriousMind

Nope, I'm a physicist who liked math a little too much ;)

Balarka Sen

How does a physics undergrad become this rigorous axiomatic algebra machine? Only a German can do this

ACuriousMind

And well, these days both physics and math are just a very small part of my life

Mithrandir24601

@BalarkaSen I've seen other people start with physics, then be like "no. Needs more rigour" and things kind of go from there

Anonymous

Eh...I know a particle physics phd guy who does rigorous functional analysis and algebraic geometry nowadays. Some people do go crazy over the years.

Yuzuriha Inori

11:24 AM

@Blue Eh?Eh?Ehhhhhhh???

Balarka Sen

@ACuriousMind I approve. Academia shouldn't eat people's souls.

Anonymous

@YuzurihaInori Google "Avijit Mukherjee"

Balarka Sen

@Mithrandir24601 @Blue Odd.

ACuriousMind

@BalarkaSen "no soul eating" sounds like an agenda I can get behind

Although they are delicious

Anonymous

Nowadays I think however that I'll end up doing something at the intersection of math, physics, CS and engineering. I seem to like bits and pieces of all of them. (Although I'm a noob in most of them)

Balarka Sen

11:27 AM

:P

Mithrandir24601

@Blue Quantum computing it is then ;)

Anonymous

@Mithrandir24601 The existence of such a subject gives me some hope, yes :P

Balarka Sen

@Blue Try configuration space of linkages

Anonymous

11:42 AM

What's that ?

Anonymous

arxiv.org/abs/math/9811138

Anonymous

@Mithrandir24601 I'm finally thinking of mailing the authors. Didn't get any satisfactory answer on the main site yet

Mithrandir24601

@Blue Hopefully that'll get you somewhere. As long as you post the answer to your own question :P

Oh, while I remember, anyone wishing to join the quantum revolution should sign up here

Anonymous

yesterday, by Blue

(Advertisement) "Quantum Revolution" chat session is on next Tuesday: https://chat.stackexchange.com/rooms/info/74398/the-classical-channel?tab=schedu‌le

Anonymous

XD

Mithrandir24601

11:51 AM

@Blue bah! You ninja, you! :P

Anonymous

We need to give some incentives like "free t-shirt" to get people to join, now. No one's interested otherwise

Anonymous

:P

Anonymous

Actually free food would work too

Anonymous

Oh AndrewO joined. Good

Mithrandir24601

@Blue I don't think SE will extend giving any such potential promotional objects to people purely for joining chat sessions, amazing as that would be

@Blue So, aside from the mods and the RO, that's what? One. :P Who happens to be part of the sponsoring company... A well, we need to start somewhere. Hopefully people will join from seeing it on the general SE chat screen

Balarka Sen

11:56 AM

what is this chat about

Anonymous

Well, I guess more will come if the sessions are reasonably lively

Anonymous

I will try to speak to Niel and DaftWullie

Mithrandir24601

@BalarkaSen Join us to find out ;)

Anonymous

glS said that he might come around

Balarka Sen