Tata Institute of Fundamental Research

,"," Unbiased Coin Tossing With a Biased Coin"

Seminar
Speaker: Santanu Dey
Organiser: John Barretto
Date: Friday, 4 May 2012, 15:00 to 16:30
Venue: A-212 (STCS Seminar Room)

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Abstract:  I will discuss some algorithms for simulating a flip of an unbiased coin by flipping a coin of unknown bias. We will discuss efficiency of several algorithms, where the expected number of flips is our measure of efficiency. We will also outline the proof of a conjecture by Hoeffding and Simons that there is no optimal algorithm.