By mswatcher
via cacm.acm.org
Submitted: Mar 18 2013 / 09:26
Many computational problems have been shown to be intractable, either in the strong sense that no algorithm exists at all—the canonical example being the undecidability of the Halting Problem—or that no efficient algorithm exists. From a theoretical perspective perhaps the most intriguing case occurs with the family of NP-complete problems, for which it is not known whether the problems are intractable.
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