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Approximating Probability Distributions Using Small Sample Spaces (1995)  (Make Corrections)  (1 citation)
Yossi Azar, Rajeev Motwani, Joseph (Seffi) Naor
Combinatorica



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Abstract: We formulate the notion of a "good approximation" to a probability distribution over a finite abelian group G . The quality of the approximating distribution is characterized by a parameter ffl which is a bound on the difference between corresponding Fourier coefficients of the two distributions. It is also required that the sample space of the approximating distribution be of size polynomial in log jGj and 1=ffl. Such approximations are useful in reducing or eliminating the use of... (Update)

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...we get smaller sample spaces. Our considerations are motivated by a problem which was mentioned in recent work of Azar, Motwani and Naor [AMN], namely, how to construct in time polynomial in n a good approximation to the joint probability distribution of the random variables X 1...

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BibTeX entry:   (Update)

Y. Azar, R. Motwani and J. Naor, Approximating Probability Distributions Using Small Sample Spaces, preprint, 1995. http://citeseer.ist.psu.edu/azar95approximating.html   More

@article{ azar98approximating,
    author = "Yossi Azar and Rajeev Motwani and Joseph Naor",
    title = "Approximating Probability Distributions Using Small Sample Spaces",
    journal = "Combinatorica",
    volume = "18",
    number = "2",
    pages = "151-171",
    year = "1998",
    url = "citeseer.ist.psu.edu/azar95approximating.html" }
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