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Article #14437

Re: 4D (Re: 3D rotation group )

#14437
From: inoue kouichi
Date: Fri, 12 Jun 1992 03:03
36 lines
2080 bytes
  $@0f>e!wBg:eI\N)9b@l$G$9!#(J2^n$@$O4JC1$G$9!#(J

In article <2026@rdnew4.roland.co.jp> kusakabe@roland.co.jp (Satoshi Kusakabe) writes:
>$@!!;M<!$ND>8r72!!(JO(4)$@!!$NMWAG#M$G!"F1$8LdBj$r9M$($^$9!#(J
>
>$@!!$:$P$j!"(J
>    {
>	{   -1/2,  1/2,  1/2,  1/2 },
>	{    1/2, -1/2,  1/2,  1/2 },
>	{    1/2,  1/2, -1/2,  1/2 },
>	{    1/2,  1/2,  1/2, -1/2 }
>    }
>

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  A=(a_{i,j}),B=(b_{i,j}) (1<=i,j<=n) $@$KBP$7!"(J
  A*B=(a_{i/n,j/n}b_{i mod n,j mod n}) $@$H$$$&(Jn^2$@<!9TNs$rM?$($k$b$N$G$9!#(J

$@$G!"#2<!$N;~$N2r!"(JA=1/sqrt(2){(1,1)(1,-1)} $@$N(Jn$@8D$N%F%s%=%k$,5a$a$k$b$N(J
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>
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>$@!t;M<!85$N>l9g$,FC$K0W$7$$$N$+!)(J

$@#3<!$N;~$OFq$7$$$G$9$M$(!#!J$^$@9M$($F$$$^$9!#!K(J


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Message-ID: <1992Jun12.030303.19003@kudpc.kyoto-u.ac.jp>
Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!sh.wide!wnoc-kyo!kuis!kudpc!sakura.kudpc.kyoto-u.ac.jp!f51323
References: <1992Jun6.065509.26291@kudpc.kyoto-u.ac.jp> <TAKAHATA.92Jun8161313@atr-hr.atr-hr.atr.co.jp> <2026@rdnew4.roland.co.jp>

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X-Google-ArrivalTime: 1992-06-11 13:57:22 PST
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From: f51323@sakura.kudpc.kyoto-u.ac.jp (inoue kouichi)
Subject: Re: 4D (Re: 3D rotation group )
Message-ID: <1992Jun12.030303.19003@kudpc.kyoto-u.ac.jp>
Sender: news@kudpc.kyoto-u.ac.jp
Nntp-Posting-Host: sakura.kudpc.kyoto-u.ac.jp
Organization: Osaka Prefectural College of Technology
References: <1992Jun6.065509.26291@kudpc.kyoto-u.ac.jp> <TAKAHATA.92Jun8161313@atr-hr.atr-hr.atr.co.jp> <2026@rdnew4.roland.co.jp>
Distribution: fj
Date: Fri, 12 Jun 1992 03:03:03 GMT
Lines: 36