Space-time trade-off


The solution came from a pair of recent papers that complemented each other. 

“These papers resolve the long-standing open question about the best possible space-time trade-offs, yielding deeply surprising results that I expect will have a significant impact for many years to come,” said Michael Mitzenmacher, a computer scientist at Harvard University who was not involved in either study.

“I would definitely say it is a big deal,” added Rasmus Pagh, a computer scientist at the University of Copenhagen. “A lot of people have worked on this problem, trying to see how much you can squeeze space, while also having time-efficient operations. This is the one I would have loved to solve.”

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