Top network posts

• 11 Completion of $C_0^{\infty}(\mathbb{R}^N)$ with norm $\|u\|= \Bigg(\int_{{\mathbb{R}}^N} |\Delta u |^2 \, \mathrm{d}x \Bigg)^{\frac{1}{2}}. $
• 8 Structure of the Cantor part of the derivative of a BV function
• 7 Is there a measure on the sphere with positive Fourier transform?
• 6 Bound on the joint distribution of three real random variables with given two dimensional marginals
• 6 Continuous right inverse to the Laplacian operator on $C^\infty$
• 6 Can the gradient flow of a harmonic function move from a non-critical point to a critical point?
• 6 Homogeneous fractional Sobolev spaces
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