Timeline for (Asymptotics of) Sum involving alternating sign Chu-Vandermonde

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Mar 13, 2012 at 22:38	comment	added	Mark Wildon		Thanks: I think the answer is right as it stands, but I twice typed $\binom{n-w}{\delta n} / \binom{n-w}{\delta n-i}$ when I meant its reciprocal. (I have corrected it in the latest version.)
Mar 13, 2012 at 22:32	history	edited	Mark Wildon	CC BY-SA 3.0	Corrected quotient of binomials (as pointed out by Moshe Schwarz)
Mar 13, 2012 at 22:16	vote	accept	Moshe Schwartz
Mar 13, 2012 at 22:15	comment	added	Moshe Schwartz		I may be mistaken, but you should have substituted the reciprocal, i.e., $$S_{\delta n}\sim\binom{n-w}{\delta n}\sum_{i=0}^{w-1}(-1)^i\binom{w-1}{i}\left(\frac{1-\delta}{\delta}\right)^i$$ Anyway, thanks for the quick answer!
Mar 13, 2012 at 20:35	history	edited	Mark Wildon	CC BY-SA 3.0	added 162 characters in body
Mar 12, 2012 at 19:45	history	edited	Mark Wildon	CC BY-SA 3.0	Corrected final asymptotic statement
Mar 12, 2012 at 19:40	history	answered	Mark Wildon	CC BY-SA 3.0