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Feb
18
awarded  Revival
Jan
7
awarded  Yearling
Dec
31
awarded  Popular Question
Oct
30
reviewed Close Bounded and Complete Lattices
Oct
30
reviewed Leave Open Ordered pair definition
Oct
30
reviewed Leave Open The galois group of the polynomial $x^9+x^3+1$
Oct
29
reviewed Close For any integer a, if $6|(3−a)$, then $3| (a−2)$.
Oct
29
reviewed Approve Find arc centerpoint(x,y) with start(x,y) and end(x,y) in a conical helix
Oct
29
reviewed Approve Exercise on a quotient group over $\mathbb{Z}^2$
Oct
23
reviewed No Action Needed Trajectory With Air Resistance
Oct
23
reviewed No Action Needed How to differentiate this negative power?
Oct
23
reviewed Approve How to prove or understand this linear algebra assertion?
Oct
21
comment Which is true for a sequence $(x_n)$ such that $x_n\in (o,\frac{1}{n})$?
@Flip The key point is the sentence “it has a continuous extension to [0,1]”. Do you understand it?
Oct
21
reviewed Approve Real numbers: powers inequality
Oct
21
comment Which is true for a sequence $(x_n)$ such that $x_n\in (o,\frac{1}{n})$?
@Flip - $x_n$ is convergent in $[0,1]$. Mustafa's answer is perfectly right.
Oct
21
comment Metric for subset of $\mathbb{R}^n$
I am not sure to understand the question. Isn't the induced Riemannian metric fine ?
Oct
21
awarded  Custodian
Oct
21
reviewed Leave Open statements of matrix analysis
Oct
21
reviewed Leave Open Proof of a formula for generalized Fibonacci numbers
Oct
21
asked A continuous map from $\mathbb S(\mathbb C^{n})$ to $U(n)$