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Results tagged with soft-question
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user 8358
Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.
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Widely accepted mathematical results that were later shown to be wrong?
The Euler characteristic $V-E+F$ has an interesting history. It was initially stated that, for all polyhedra:
$$V(\text{vertices})-E(\text{edges})+F(\text{faces})=2$$
and its proof was widely accepte …