Leonida Tonelli

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Science and technology

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What Wikipedia says

Leonida Tonelli (19 April 1885 – 12 March 1946) was an Italian mathematician, noted for proving Tonelli's theorem, a variation of Fubini's theorem, and for introducing semicontinuity methods as a common tool for the direct method in the calculus of variations.

Excerpt from the Wikipedia article “Leonida Tonelli”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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