Questions tagged [debunking]

For questions about finding the truth in claims that give good reason to be skeptical.

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Did Kontsevich start a lecture with “one I will not define, the other nobody knows how to define, and we will be proving that they are equivalent”?

The story was circulating in early 2000s, so presumably it happened in 1990s. Kontsevich, it goes, opened a lecture course on mirror symmetry with:"This course is about two categories. One I will not ...
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Is it true that Empress Elisabeth of Austria did math?

I have encountered a user on Math Stack Exchange with writing in his bio that Empress Elisabeth of Austria ("Sisi") did some math and she was famous for an unsolvable integral: $$\int_{0}^{1}...