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Dual Space of V=W(+)Z

  1. Nov 12, 2012 #1

    WWGD

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    Hi, All:

    Let V be a finite-dimensional space, which can be decomposed as:

    V=Z(+)W . How can we express the dual of V in terms of the duals of

    Z, W?

    I think this has to see with tensor products, but I'm kind of rusty here.

    Any ideas, please?
     
  2. jcsd
  3. Nov 12, 2012 #2
    The dual of the direct sum is the direct sum of the duals.
     
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