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lattices of Schoenberg's rational implications   Message List  
Reply | Forward Message #2850 of 17519 |
Re: lattices of Schoenberg's rational implications

--- In tuning-math@y..., "genewardsmith" <genewardsmith@j...> wrote:
> --- In tuning-math@y..., "paulerlich" <paul@s...> wrote:
>
> However, I think the only reality for Schoenberg's
> > system is a tuning where there is ambiguity, as defined by the
kernel
> > <33/32, 64/63, 81/80, 225/224>. BTW, is this Minkowski-reduced?
>
> Nope. The honor belongs to <22/21, 33/32, 36/35, 50/49>.

Awesome. So this suggests a more compact Fokker parallelepiped
as "Schoenberg PB" -- here are the results of placing it in different
positions in the lattice (you should treat the inversions of these as
implied):


0 1 1
84.467 21 20
203.91 9 8
315.64 6 5
386.31 5 4
470.78 21 16
617.49 10 7
701.96 3 2
786.42 63 40
933.13 12 7
968.83 7 4
1088.3 15 8


0 1 1
119.44 15 14
203.91 9 8
315.64 6 5
386.31 5 4
470.78 21 16
617.49 10 7
701.96 3 2
786.42 63 40
933.13 12 7
968.83 7 4
1088.3 15 8


0 1 1
119.44 15 14
155.14 35 32
301.85 25 21
386.31 5 4
470.78 21 16
617.49 10 7
701.96 3 2
772.63 25 16
884.36 5 3
968.83 7 4
1088.3 15 8


0 1 1
84.467 21 20
155.14 35 32
266.87 7 6
386.31 5 4
470.78 21 16
582.51 7 5
701.96 3 2
737.65 49 32
884.36 5 3
968.83 7 4
1053.3 147 80




Mon Jan 21, 2002 3:48 am

paulerlich
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Message #2850 of 17519 |
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monz
joemonz@...
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Jul 18, 2001
9:17 am

... It's pretty clear that Schoenberg's theory implies a 12-tone periodicity block....
Paul Erlich
paul@...
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Jul 19, 2001
8:44 pm

I was looking again at the post I sent here regarding the math of Schoenberg's tuning ideas: http://groups.yahoo.com/group/tuning-math/messages/516?expand=1 I...
monz
joemonz
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Dec 25, 2001
11:43 pm

... See if this helps; We can extend the set {33/32,64/63,81/80,45/44} to an 11-limit notation in various ways, for instance ...
genewardsmith
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Dec 26, 2001
8:27 am

... This should be 16/9 rather than 19/9, of course....
genewardsmith
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Dec 26, 2001
8:31 am

Help! I set up an Excel spreadsheet to calculate the notes of a periodicity-block according to Gene's formula as expressed here: > Message 2164 > From:...
monz
joemonz
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Jan 20, 2002
9:09 pm

... This determinant is why. In my example, the determinant had an absolute value of 1, and so we get what I call a "notation", meaning every 11-limit interval...
genewardsmith
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Jan 20, 2002
10:09 pm

... _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com...
monz
joemonz
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Jan 20, 2002
10:23 pm

... Forget it. I don't know why you want to bother with Gene's "notation" here. The "notation" would allow you to specify just ratios unambiguously. However, I...
paulerlich
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Jan 21, 2002
2:12 am

... However, I think the only reality for Schoenberg's ... Nope. The honor belongs to <22/21, 33/32, 36/35, 50/49>....
genewardsmith
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Jan 21, 2002
3:20 am

... kernel ... Awesome. So this suggests a more compact Fokker parallelepiped as "Schoenberg PB" -- here are the results of placing it in different positions...
paulerlich
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Jan 21, 2002
3:48 am

returning to an old subject ... during a big discussion i instigated concerning possible periodicity-blocks which might describe Schoenberg's 1911 12-tET...
monz
joemonz
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Apr 24, 2004
9:45 am

Gene, Paul, Graham, > Message 2850 > From: "paulerlich" <paul@s...> > Date: Sun Jan 20, 2002 10:48 pm > Subject: Re: lattices of Schoenberg's rational...
monz
joemonz
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Jan 21, 2002
11:31 am
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