AIM Chat with Bill Abrams , Julianne Rainbolt , Chirashree Bhattacharya , Benjamin Collins , Tom Hoffman , Edward Moy , Jen Roche , Daniel Shown , Gordon Swain , Brian Walter , Gordon Williams , Shaochen Yang , Daylene Zielinski , Dennis Keeler, Anne Collins .
9:52 AM
Russell Blyth: hi
Julianne Rainbolt: hi
Bill Abrams: hello
Chirashree Bhattacharya has joined this chat.
Julianne Rainbolt: we had some kind of problem with chat - sorry
Julianne Rainbolt: this is russell
Tom Hoffman has declined the invitation to this chat.
Benjamin Collins has joined this chat.
Benjamin Collins: Hello. That seems to have worked.
Edward Moy has joined this chat.
Jen Roche has joined this chat.
Julianne Rainbolt: and juli is over there
Edward Moy: Hello!
Gordon Swain has joined this chat.
Brian Walter has joined this chat.
Shaochen Yang has joined this chat.
Daylene Zielinski has joined this chat.
Julianne Rainbolt: Good morning
Gordon Williams has joined this chat.
Gordon Williams: Hi
Russell Blyth: hi all
Daylene Zielinski: Hello to all from Louisville!
Benjamin Collins: Juli, Remind me what the password is for the VNC viewer.
Julianne Rainbolt: GAP
9:55 AM
Julianne Rainbolt: VNC address: 165.134.13.231
Chirashree Bhattacharya: Hi everyone, hi Jen
Bill Abrams: I am getting audio only on Quicktime. Any thoughts?
Brian Walter: good morning everyone
Jen Roche: good morning, hi Chiru
Julianne Rainbolt: try a restart on QT
Julianne Rainbolt: How are we doing with VNC
Julianne Rainbolt: ?
Jen Roche: good here
Gordon Swain: Good here
Daniel Shown has joined this chat.
Benjamin Collins: I got chat, QT, and VNC. I'm good to go.
Russell Blyth: reminder of quicktime address:
Brian Walter: VNC isn't working for me
Chirashree Bhattacharya: good with VNC
Shaochen Yang: Hi, I got AIM and VNC. Could you give me the URL for QT?
Julianne Rainbolt: Coming
Russell Blyth: rtsp://165.134.240.35/GAP060710am1.sdp
Julianne Rainbolt: Bill, do you have video?
Russell Blyth: reminder of vnc address:
Russell Blyth: 165.134.13.231
Tom Hoffman has joined this chat.
Russell Blyth: vnc password: GAP
Julianne Rainbolt: Display: 0
Julianne Rainbolt: Hi Tom
Daylene Zielinski: I've got GAP, QuickTime, and VNC up and working.
Julianne Rainbolt: Great
Tom Hoffman: Hi, sorry I am late.
Julianne Rainbolt: VNC address:
Julianne Rainbolt: 165.134.13.231
Brian Walter: OK, now everything is working for me
Julianne Rainbolt: Password GAP
Julianne Rainbolt: good, Brian
Julianne Rainbolt: Video in QT
Julianne Rainbolt: rtsp://165.134.240.35/GAP060710am1.sdp
10:00 AM
Dennis Keeler has joined this chat.
Dennis Keeler: hi
Julianne Rainbolt: Hi
Shaochen Yang: I still don't get QT.
Dennis Keeler: see everyone else to
Dennis Keeler: too
Anne Collins has joined this chat.
Edward Moy: I am not getting QT.
Bill Abrams: I have AIM, VNC, and Quicktime. But it is still only Quicktime audio.
Julianne Rainbolt: Video will go down for a moment
Julianne Rainbolt: You'll need to quit QT and reopen. Address will be the same.
Tom Hoffman: I've got vnc and sound through QT but not video
Julianne Rainbolt: Up again. See if that helps
Julianne Rainbolt: Tom,
Julianne Rainbolt: try again
Julianne Rainbolt: Who does not have VNC?
Edward Moy: QT is now working.
Tom Hoffman: I have video now.
Shaochen Yang: I don't have QT.
Julianne Rainbolt: Close QT and reopen, Shaochen
Shaochen Yang: OK
Julianne Rainbolt: Just a reminder, "jrainbolt4" is Russell for now and "blythrd2" is Juli
Julianne Rainbolt: Anyone not have video now?
Russell Blyth: QT address:rtsp://165.134.240.35/GAP060710am1.sdp
Bill Abrams: I have audio and video on QT (for the moment).
Gordon Williams: There's an awful lot of background machine noise...
Russell Blyth: moving the mic - is it better
Russell Blyth: ?
10:05 AM
Gordon Williams: That's a bit better
Gordon Swain: I'm all set
Julianne Rainbolt: Anyone not set?
Shaochen Yang: I still don't have QT.
Brian Walter: i don't have video or audio now
Julianne Rainbolt: Brian, restart QT
Julianne Rainbolt: we restarted QT
Brian Walter: great - thanks (and sorry, i ran to the printer)
Julianne Rainbolt: OK!
Russell Blyth: any else having any problems?
Gordon Williams: I am now
Russell Blyth: we'll go ahead and start
Julianne Rainbolt: Gordon?
Gordon Williams: Lost the video feed
Julianne Rainbolt: Restart video
Gordon Williams: ok
Gordon Swain: video is bad, but I have sound
Gordon Williams: got it back
Russell Blyth: we'll start - let us know if you are having any problems!
10:10 AM
Russell Blyth: 314-605-1365
10:15 AM
Gordon Williams: would it be possible to get a list of people's chat addresses correlated to their participant names? I've got about 80% matched, but I'm missing a few
Gordon Williams: gordonianwilliams@mac.comis Gordon Williams
Daylene Zielinski: I'm daylene Zielinski atdzielinski@bellarmine.edu . (Scamp's my cat.)
Brian Walter: bwalter@evergreen.eduis Brian Walter
Gordon Williams: I think I've confused people, I meant your AIM chat address
10:20 AM
Julianne Rainbolt: To clarify: the "line" Juli is talking about is for our video archive. You can see more than that on the VNC feed.
Julianne Rainbolt: In the GAP download you have, you'll find a copy of all these materials in an "html
Julianne Rainbolt: " file
Julianne Rainbolt: soory for the break
Julianne Rainbolt: You can open the docs on your machine or put a copy on a local web server
Gordon Williams: The quicktime stream is dropping for me about once every 5 minutes, anyone else having that problem?
10:25 AM
Benjamin Collins: I haven't been able to open/print the file, once LoggedTo. Any suggestions?
Julianne Rainbolt: Daniel, can you pick up Gordon
Julianne Rainbolt: ?
Daylene Zielinski: Ben -- I just force it to open in Word. It looks fine.
Dennis Keeler: which platform are you using Benjamin?
Julianne Rainbolt: Ben: the file created has no type
Julianne Rainbolt: So you have to force it to open in a text editor or word processor
Julianne Rainbolt: Perhaps by dragging the file onto the App icon
Benjamin Collins: "Ben" is fine. I'm using Windows.
Julianne Rainbolt: I should have checked - would you prefer Benjamin?
Dennis Keeler: looks like Julianne answered the question. I was going to say open manually in Notepad. You might be able to right click on the file and say "Open with..." Notepad.
Julianne Rainbolt: If anyone has technical issues (like Gordon), please mention right away
10:30 AM
Julianne Rainbolt: Any part of the tutorial you like to see in more detail?
Anne Collins: my sound got really grainy for a while there, did i miss something? what am i supposed to be opening in word/notepad/??
Julianne Rainbolt: A LogTo file
Benjamin Collins: OK, that's working. Thanks, everyone.
Dennis Keeler: not exactly. But it would be nice to "compile" the tutorial with pdflatex or dvips, so you can select and copy text.
Dennis Keeler: The tutorial was done by OzTeX and I can't select & copy. It seems that the session worksheets were done with dvips, and I can select text.
Dennis Keeler: also noticed that Up Arrow works the same as ctrl-p.
Anne Collins: i'm still a bit behind, after messing with sound - LogTo doesn't seem to do anything?
Julianne Rainbolt: I can do something about the tutorial if that would help. The other files were translated from dvi to pdf using TexShop.
Tom Hoffman: Up arrow only works in some OS's/setups
Dennis Keeler: it is saving a plain text file somewhere on your hard drive
Dennis Keeler: but I don't know where that would be in Windows.
Russell Blyth: LogTo is saving a file that consists of any work any GAP that follows the LogTo command.
10:35 AM
Dennis Keeler: On Mac OS X, it saves the file in the directory you were at in Terminal before typing "gap"
Julianne Rainbolt: Dennis, we'll say something about the Windows locations later
Daylene Zielinski: My windows platform puts the file in the same folder that houses GAP.
Julianne Rainbolt: Yes.
Julianne Rainbolt: But you can have them go elsewhere.
Bill Abrams: QT is now gone. Did you all say that you were turning it off?
Gordon Swain: I've lost all sound
Chirashree Bhattacharya: Is it possible to get a printout/transcript of the chat?
Julianne Rainbolt: We'll do that next
Russell Blyth: yes we had to restart
Russell Blyth: sorry
Julianne Rainbolt: Restart QT
Daylene Zielinski: Same address?
Julianne Rainbolt: with address
Shaochen Yang has left this chat.
Julianne Rainbolt: rtsp://165.134.240.35/GAP060710am2.sdp
Dennis Keeler: yes, got video
Julianne Rainbolt: am2 instead of am1
Julianne Rainbolt: OK
Jen Roche: good here now
Benjamin Collins: OK, I'm in.
Julianne Rainbolt: OK
Brian Walter: i got video back
Bill Abrams: OK
Russell Blyth: any questions or problems?
Chirashree Bhattacharya: possible to save chat?
Julianne Rainbolt: we will have it on the web page
Chirashree Bhattacharya: ok thanks
Gordon Swain: I have sound
10:45 AM
Daylene Zielinski: Notepad puts the session on one line.
Daylene Zielinski: Word will put the line breaks in.
Anne Collins: i'm here!
Julianne Rainbolt: GAP thinks of permutations on the right
10:50 AM
Julianne Rainbolt: But other function notation is on the left
Chirashree Bhattacharya: I have no QT
Chirashree Bhattacharya: no audio/video
Julianne Rainbolt: Restart QT and see if it helps
10:55 AM
Dennis Keeler: so (2,3,4) means 2->3->4->2, just as in Gallian. So one must warn students not to reverse everything.
Julianne Rainbolt: Right.
Julianne Rainbolt: It's just the order of composition that is reversed
Gordon Williams: multiplication order here meaning a*b is do b then a right?
Julianne Rainbolt: No
Chirashree Bhattacharya: any way to get factorizations of ALL elements of K
Chirashree Bhattacharya: ?
Gordon Williams: do a then b?
Julianne Rainbolt: In GAP , a*b means do a first, then b
Julianne Rainbolt: In Gallian a*b means do b first then a
Julianne Rainbolt: for permutations
Julianne Rainbolt: Video is about up
Julianne Rainbolt: ...am3
Bill Abrams: Does anyone miss the old (x)f notation?
Gordon Williams: only every used that in one course in grad school, and hated every minute
Julianne Rainbolt: That's exactly what this is:
Tom Hoffman: Be careful with Factorization, it is work intensive. Probably should not be used on all elements of K.
Julianne Rainbolt: n sigma tau
Julianne Rainbolt: means apply sigma to n first, then tau
Julianne Rainbolt: Permutations
Brian Walter: how quaint!
Julianne Rainbolt: oops
Russell Blyth: QT:rtsp://165.134..240.35/GAPo60710am3.sdp
Julianne Rainbolt: Everyone have video again?
Jen Roche: yes here
Julianne Rainbolt: too many dots
Russell Blyth: sorry about the two dots in QT address
Julianne Rainbolt: also an o instead of a 0
Julianne Rainbolt: everyone up again?
Daniel Shown: rtsp://165.134.240.35/GAP060710am3.sdp
11:00 AM
Brian Walter: got it
Chirashree Bhattacharya: no, my QT seems to be corrupted
Chirashree Bhattacharya has left this chat.
Julianne Rainbolt: Tom made a good point. Factorization is really only good for small groups.
11:05 AM
Chirashree Bhattacharya has joined this chat.
Chirashree Bhattacharya: session 3?
Julianne Rainbolt: yes
Julianne Rainbolt: am3
Chirashree Bhattacharya: I'm good, thx daniel
Julianne Rainbolt: Great!
Daylene Zielinski: My audio is dropping out a lot.
Benjamin Collins: D -- it's OK here, so it's a local problem. Restart QT?
Julianne Rainbolt: we seem to be OK here on audio
Julianne Rainbolt: But: once in a while one of our battery packs on the remote mic will run out and everyone will lose audio
Julianne Rainbolt: Let us know right away!
11:10 AM
Daylene Zielinski: OK, I'm up again.
Julianne Rainbolt: good
Chirashree Bhattacharya: yes, call me chiru
Chirashree Bhattacharya: yes
Shaochen Yang has joined this chat.
Julianne Rainbolt: Hi Shaochen
Julianne Rainbolt: The video address is
Tom Hoffman: Chiru--to modify the function on page 3 just mentioned, you could replace "Filtered" by "List"
Chirashree Bhattacharya: ok
Julianne Rainbolt: rtsp://165.134.240.35/GAP060710am3.sdp
Daniel Shown: Shaochen, video is at rtsp://165.134.240.35/GAP060710am3.sdp
11:15 AM
Julianne Rainbolt: We'll see List in other settings later
Julianne Rainbolt: Video stopping
Julianne Rainbolt: will be ...am4
Julianne Rainbolt: i.e.
Julianne Rainbolt: rtsp://165.134.240.35/GAP060710am4.sdp
Julianne Rainbolt: video is up now
Julianne Rainbolt: Any issues?
Dennis Keeler: perhaps we will hit this later, but after the tutorial, was wondering...
Tom Hoffman: Will we be finisihing this session in the next 10 min?
Dennis Keeler: how to make a subgroup like { x^2 : x \in G} (where G is abelian, say);
Julianne Rainbolt: Tom, prob not
Dennis Keeler: yeah, tried to just fiddle with the "Filtered" construct, but don't know it well enough
Dennis Keeler: sure
Tom Hoffman: You could square all the elements and use them as generators in a subgroup command (brute force)
Julianne Rainbolt: Right, that's what I was thinking
Julianne Rainbolt: Would be OK for "small" groups
Gordon Williams: is there a way to use the result of the last computation, e.g. in mathematica %^2 means square the last result
Tom Hoffman: use the command last
11:20 AM
Tom Hoffman: like last^2
Gordon Williams: thanks
Julianne Rainbolt: there's also last2 and last3 for the previous results
Russell Blyth: answer to 1.6?
11:25 AM
Daylene Zielinski: Group order/# of elements of that cycle structure = Centralizer Order
Gordon Swain: order of centralizer times the number of elements with that cycle type equals order of group
Daylene Zielinski: Oops!
Dennis Keeler: Thm 7.3 of Gallian: Orbit-Stablizer Theorem
Julianne Rainbolt: Right, although this exercise would be before Ch 7
Tom Hoffman has left this chat.
Edward Moy has left this chat.
Julianne Rainbolt: Any observations on the morning session?
11:30 AM
Daylene Zielinski: Started Slow, but pace felt right in the last 45 minutes.
Daylene Zielinski: Of course.
Gordon Williams: listserv?
Gordon Swain: I thoought the pace was good.
Gordon Williams: cool
Jen Roche: I like the pace so far
Daylene Zielinski: Can we start the afternoon session with a quick tour of where these transcripts and listserv can be accesses?
Dennis Keeler: sometime this week, I'd like to see actual STUDENT worksheets, with how long the students have to do the work.
Dennis Keeler: I am still bad at judging how much work a normal student can do.
Benjamin Collins: I'm still waiting to meet a "normal student".
Dennis Keeler: 
Daylene Zielinski: I don't have any normal strudents 
Dennis Keeler: well, someone who probably isn't going to get a PhD in math. I have too much fun with these kind of exercises.
Gordon Swain: On the handouts, does ab mean to do the product in the same way GAP does? Or the reverse way that we usually teach?
Dennis Keeler has left this chat.
11:35 AM
Chirashree Bhattacharya: we'll start with am5?
Russell Blyth: it will start with pm1
Chirashree Bhattacharya: sorry stupid ques
Julianne Rainbolt: Thanks everyone
Chirashree Bhattacharya has left this chat.
Gordon Williams has left this chat.
Benjamin Collins: Thank you.
Julianne Rainbolt: Video is off
Daylene Zielinski: Bye all.
Julianne Rainbolt: Bye!
Shaochen Yang has left this chat.
Bill Abrams: Bye.
Daylene Zielinski has left this chat.
Anne Collins: thanks for your patience with me this morning!
Jen Roche: thanks!
Benjamin Collins has left this chat.
Brian Walter: ciao
Bill Abrams has left this chat.
Jen Roche has left this chat.
Brian Walter has left this chat.
Gordon Swain has left this chat.
Anne Collins has left this chat.
Edward Moy has joined this chat.