We survey four variants of RSA designed to speed up RSA decryption and signing. We only consider variants that are backwards compatible in the sense that a system using one of these variants can interoperate with systems using standard RSA.

This paper reports an experiment testing whether strategically equivalent representations of a social situation produce equivalent behavior when actually played by human subjects. The investigation was limited to representative members of the class of generic 2×2 extensive form games of perfect information, which include widely studied games in the experimental literature, and the resulting cla...