I would like to calculate the fundamental group of real and complex quadrics. I've seen it in the projective space, but not in $\mathbb{R}^n$ and $\mathbb{C}^n$. Also, I would like to prove that they are connected (or at least I think they are?), but I can't think about anything...
2026-03-25 19:05:49.1774465549
connection and fundamental group of real and complex quadrics
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