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Why is a set of functions v(t) dense in L^2

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  1. Dec 6, 2014 #1
    Hello,

    I was going through the following paper: http://www.emis.de/journals/HOA/AAA/Volume2011/142128.pdf

    In page 6, immediately after equation (3.15), its written that "functions of the form v(t) are dense in L^2". I have been looking for proofs online which verifies the above statement but unable to find one. I would appreciate if someone can direct me to a link or explain with proof of how the functions of the form v(t) are dense in L^2.

    Thank you,
     
  2. jcsd
  3. Dec 9, 2014 #2

    Stephen Tashi

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    Since you haven't received any replies yet, I suggest that you at least sketch a definition of the functions v(t) in a post. An expert in the topic might breeze through the paper in your link, but you may need to appeal to non-experts in the topic to get an answer.
     
  4. Dec 10, 2014 #3

    WWGD

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    But it seems like natural courtesy that if you want others' help that you should be the one to lay out the
    definitions for those whose help you seek.
     
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