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Tensors, the geometric tool that solved Einstein's relativity problem
Tensors are used all over math and science to reveal hidden geometric truths. What are they?
Einstein found the solution in a new geometric theory published a few years earlier by the Italian mathematicians Gregorio Ricci-Curbastro and Tullio Levi-Civita. “Tensors are the most efficient packaging device we have to organize our equations,” said Dionysios Anninos, a theoretical physicist at King’s College London. Tensors can help mathematicians explore complicated symmetries, analyze properties of special shapes called manifolds, and probe the relationships between different functions, among other things.
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