## All Questions

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### Gaussian random vectors [closed]

If $(X,Y)$, $(Z,X)$ and $(Y,Z)$ are all Gaussian random vectors, is $(X,Y,Z)$ a Gaussian random vector?
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### Quantum equivariant $K$-theory and DAHA.

Theorem 3.2 of the paper "Quantum cohomology of the Springer resolution" by Braverman, Maulik and Okounkov relates equivariant quantum cohomology of the cotangent bundle of $G/B$ …
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### Projective closure of affine curve.

Is there a generalized method to find the projective closure of an affine curve? For example, I read that the projective closure of y^2 = x^3−x+1 in P2 is y^2·z = x^3−x·z^2+z^3. I …
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