Emolga

# 95 Questions

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### Finding an integer-valued function $f$ such that $\int _0^\infty \frac {f(x)}{3+7a}e^{\frac{-x}{3+7a}}dx=a$ for all $a$

Jul 30 '17 at 17:03 Emolga 1,384

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56
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### Finding a function $f$ such that if $X \sim Poi(\lambda)$, then $E[f(X)]=λ(λ−1)…(λ−k+1)$

Jul 29 '17 at 20:51 Emolga 1,384
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82
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23
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### Minimizing a sum of the form $\sum |b_i-a_{ii}|$ over all matrices of rank $\leq k$

Jun 20 '17 at 22:44 Emolga 1,384

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35
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65
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48
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46
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36
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63
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### What precisely does this version of the No-Free-Lunch theorem say?

Dec 31 '16 at 16:34 Emolga 1,384

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62
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163
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55
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134
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68
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### Find all noncharacteristic curves of the PDE $x_2 \frac {\partial u}{\partial x_1}=x_1 \frac {\partial u}{\partial x_2}$

Oct 30 '15 at 6:38 Emolga 1,384
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117
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110
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129
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161
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89
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178
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78
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753
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242
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41
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### Reducing an approximation claim from a prime ideal to a maximal ideal

Feb 15 at 15:49 user26857 40.2k
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53
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### Bounding $|A+BC|$ for sets of real numbers

Jun 26 '17 at 19:43 Emolga 1,384

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75
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