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Computational Complexity

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Computational Complexity and other fun stuff in math and computer science from Lance Fortnow and Bill Gasarch

Computational Complexity Wednesday, June 17, 2026 The Tech of Silk Road Last week I saw a talk by Northwestern professor Nina Wieda on the history of the Silk Road , a network of trading routes across Asia active from the second century BCE until the mid-15th century. I knew of the Silk Road but was surprised by how much it used and fostered various technologies. It started with a technology that allowed for traveling long distances with limited access to water, better known as a camel. Travel was slow, it could take nearly two years to get from one end (modern day Turkey) to the other (China)

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