Friday - March 27, 2026
Decades-old problem in classical geometry solved
March 13, 2026
MUNICH, Germany, March 13 -- The Technical University of Munich issued the following news:

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Decades-old problem in classical geometry solved

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First compact pair of bonnets found

For over 150 years, a rule of thumb dating back to the French mathematician Pierre Ossian Bonnet has been accepted in surface theory: if the metric and mean curvature of a compact surface are known at every point, then the surface can be uniquely det . . .

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