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cryptography
Privacy by the Numbers: A New Approach to Safeguarding Data
A mathematical technique called “differential privacy” gives researchers access to vast repositories of personal data while meeting a high standard for privacy protection.
Mathematics
Getting Into Shapes: From Hyperbolic Geometry to Cube Complexes and Back
Thirty years after William Thurston articulated a grand mathematical vision, a proof by Ian Agol marks the end of an era in the study of three-dimensional shapes.
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