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Hello. Needs help with disjoint cycles.

  1. Aug 27, 2009 #1
    Express as the product of disjoint cycles:
    a. (1,2,3)(4,5)(1,6,7,8,9)(1,5)
    b. (1,2)(1,2,3)(1,2)

    I now how to do in 2 row permutations, with right to - left. can any one tell me , how to express it without transfer it into 2 row permutations.

    One more question, How do we find out it's odd or even permutaions.

    Thank you. I am doing my past exam paper, university doesn't give us answer.
  2. jcsd
  3. Aug 27, 2009 #2
  4. Aug 27, 2009 #3
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