Flip Distance of Convex Triangulations and Tree Rotation Is NP-Complete

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Good morning. Will the attacks on Iran accelerate the push to decentralize global companies? This year’s Edelman Trust Barometer referenced the rise of the “poly-national”—a corporate structure that invests in long-term local relationships, compartmentalizing everything from talent to supply chains in individual countries. To stay ahead in a world that’s shifted from globalization to national interests, the argument goes, companies must “operate as a network of businesses with a U.S. center, but a local face.”

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