11

Questions
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Does an origin-centered ellipse in the plane intersect each $L^p$-circle at most 8 times?

jun 12 at 15:28 Ilya Bogdanov 1,964●4●10

 
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58
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Technical question on perimeter of level sets

may 7 at 14:48 Ryan O'Donnell 2,403●8●18

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Proving univariate polynomials (defined by sums, binomial coeffs, etc.) are nonnegative: is it ‘routine’?

aug 11 at 3:19 fedja 20k●2●48●96

 
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Approximation theory reference for a bounded polynomial having bounded coefficients

sep 19 at 20:04 Matthew Badger 111●4

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554
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Uniform approximation of $x^n$ by a degree $d$ polynomial: estimating the error

jul 17 11 at 6:44 Andrew 1,013●1●4●9

 
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Who is L. A. Balashov?

dec 13 11 at 0:50 Boris Novikov 1,401●1●3●9

 
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285
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If $K$ and $L$ are compact convex sets with smooth boundary, does their union have piecewise-smooth boundary?

apr 1 11 at 7:12 ACL 4,285●12●24

 
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What are sufficient conditions on $f, g : \mathbb{R}^n \to \mathbb{R}$ such that `$\{x : f(x) \geq t \} \cup \{ x : g(x) \geq u\}$` has piecewise-smooth boundary?

nov 9 10 at 14:52 Pietro Majer 19.8k●1●25●70

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6
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2k
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What is the time complexity of computing sin(x) to t bits of precision?

jul 16 10 at 5:28 Luke Gustafson 191●1●2

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Inequality in Gaussian space — possibly provable by rearrangement?

dec 17 09 at 14:39 fedja 20k●2●48●96

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