Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.
MIT Department of Mathematics researchers David Roe '06 and Andrew Sutherland '90, PhD '07 are among the inaugural recipients ...
This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...
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