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As the role of computers in pure mathematics grows, researchers debate their reliability.
An infinitesimal advance in the traveling salesman problem breathes new life into the search for improved approximate solutions.
Computer scientists are finding that “thinking quantumly” can lead to new insights into long-standing problems in classical computer science, mathematics and cryptography, regardless of whether quantum computers ever materialize.
A mathematical technique called “differential privacy” gives researchers access to vast repositories of personal data while meeting a high standard for privacy protection.