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Parity is Discrete Transformation?

  1. Dec 18, 2013 #1
    Why parity is discrete transformation?
    when ##x## is continual variable. Could you explain me difference between discrete and continual transformation?
  2. jcsd
  3. Dec 18, 2013 #2


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    Hi LagrangeEuler! :smile:
    "T is a discrete transformation" means that there's no continuous way of changing from the identity transformation to T

    ie there's no system of transformations T(k) with k in [0,1], with T = T(1), I = T(0)

    eg if T is space inversion, there's no half-way stage between say a left foot and a right foot :wink:
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