Binomial Convolution Preserves Log-Concavity.
WASHINGTON UNIV ST LOUIS MO DEPT OF COMPUTER SCIENCE
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A sequence f f0, f1,... of nonnegative numbers is log-concave if ln fi is a concave function of i. If two sequences f and g are both log-concave, then so is their binomial convolution. This complements the similar, well-known result for ordinary convolution. Modified author abstract
- Numerical Mathematics