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February 28th, 2013, 05:20 AM   #1
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representation of permutation

Let . Fix first elements from and consider permutations and , where permute each element to itself.

Question: How to introduce in terms of ?

Work so far: Ofcourse, , but now, how to introduce in terms of .... Maybe one should use projections... I am stuck here.

Thank you.
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February 28th, 2013, 07:47 AM   #2
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Re: representation of permutation

When you write something like this p = p1p2, then supposedly all the three permutations act on the same set, unlike in your example.
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