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Conference rusure::math

Title:Mathematics at DEC
Moderator:RUSURE::EDP
Created:Mon Feb 03 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2083
Total number of notes:14613

1885.0. "How good is your memory?" by BPSOF::NEWBERG () Mon Aug 01 1994 12:31

    Hi,
    
    Does anyone know what Dr. Rubik (of cube fame) has been doing since
    1977? No, this is not a trivia question; I'm looking for info on his
    background. Does anyone know or remember what his specialty is/was? I
    seem to remember root theory.
    
    We moved into a new flat this weekend and the landlady's name is Rubik.
    When we asked if she's any relation and she said he is her husband. So, if
    I bump into him at some stage I'd like to talk to him about something
    interesting. My math degree ('74) is getting a little dusty to use it
    confidently.
    
    Thanks,
    Amy
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1885.1RUSURE::EDPAlways mount a scratch monkey.Mon Aug 01 1994 16:3410
    Erno Rubik was, at the time of the cube fad, an architect or mechanical
    engineer of some sort, not a mathematician.
    
    
    				-- edp
    
    
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1885.2No longer in the picture...BPSOF::NEWBERGTue Aug 02 1994 04:2014
    
    
    
    It doesn't matter, now. I spoke with our landlady last night and she
    mentioned he "was" her husband, not "is". So I don't think we'll
    actually meet.
                                                                   
    Coincidently, there was something in the paper I saw yesterday about
    Hungarian inventors and he was listed. Not quite as impresssive as
    inventing bombs or sterilisation.
    
    Thanks, anyway.
    
    Amy
1885.3looking for 5*5*5 facets versionGVAADG::DUBEE = mc�, surtout le dimancheWed Aug 10 1994 06:5319
 Could anybody help me about this cube. Erno Rubik invented that cube with
 3*3*3 facets ( in the years ~ 1977 ), which I could solve. Five years later,
 we could find in the shops a larger cube with 4*4*4 facets, which I could 
 solve.

 Now I am looking for the 5*5*5 facets version, if any. Could you tell me if
 this enhanced version really exists ( I had been told it does, but now I
 am doubtful about it ), and where I could find it ? I live in France, close 
 to Geneva.

 Anybody noticed I like tricky games ?

 thanks for your help.

 ##### R�my #####

 ps : or if you know it does exist, may be you should not tell me, 
      otherwise I will rush nights over nights trying to solve it.

1885.4AUSSIE::GARSONachtentachtig kacheltjesThu Aug 11 1994 00:494
    re .4
    
    Perhaps you could solve it mathematically using group theory. Do you
    actually need the cube to exist physically? (-:
1885.5the cube as a nice trinketGVAADG::DUBEE = mc�, surtout le dimancheThu Aug 11 1994 06:2717
    re .4

    I yes need the cube to exist physically, just to verify that my group
    theory approach was right :-). In fact, I hope I got the solution,
    and I would like to check it.

    I am thinking about virtually creating a n*n*n cube on my Macintosh, 
    with keypad commands allowing rotations on the slices. With a ThinkPascal,
    I hope it won't be too much complicated.

    However the physical cube would enrich my collection of crazy gadgets :-)

    Friendly,

    ##### R�my #####