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Mar
22
reviewed Close What function would do this
Mar
22
reviewed Close Mathematical Background for Computer Vision
Mar
22
reviewed Leave Open The Weaver Android app $\rightarrow$ cute combinatorics problem
Mar
22
reviewed Leave Open What is the best way for an amateur Mathematician to get their paper reviewed?
Mar
21
reviewed Close What are the properties of the positive real numbers pair $(a,b)$ for which $a b \geq a + b$?
Mar
20
reviewed Leave Open The expected value of $1/(1+X)$ where $X$ has geometric distribution
Mar
20
reviewed Leave Open $f(x)$ is non-negative and that $ \int_{-a}^b xf(x) dx = 0 $. Show $ \int_{-a}^bx^2f(x)dx \leq ab\int_{-a}^b f(x)dx $
Mar
20
reviewed Close Looking for Open Source Math Software with Poor Documentation
Mar
13
reviewed No Action Needed equivalent ways of writing the spectral norm
Mar
13
reviewed Leave Open A relationship among the first $n+1$ primes
Mar
12
reviewed Close Number of solutions of arithmetic funtion's equation.
Jan
31
reviewed Approve give a counterexample of monoid
Jan
16
reviewed Leave Open Metric $p := p(x,y)= \min(|x-y|, 1- |x-y|)$ $x,y \in [0,1)^2$. Prove metric space is compact.
Jan
13
reviewed Leave Open closure of a convex set in a normed linear space is convex ?
Jan
13
reviewed Leave Open $T^n = 0$ but $T^{n-1} \neq 0$: find basis such that $Ta_j = a_{j+1}$ for $j < n$ and $Ta_n = 0$
Jan
13
reviewed Approve functional-equations tag wiki excerpt
Jan
13
reviewed Reject functional-equations tag wiki
Dec
29
reviewed Reject Is $\{ u \in H^1(\Omega) \mid \Delta u \in L^2(\Omega)\}$ dense in $H^1(\Omega)$?
Dec
19
reviewed Approve Which convex $2n$-gons have symmetry group $D_n$ instead of $D_{2n}$?
Dec
19
reviewed Leave Open Proving function in real analysis