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Aug
12
reviewed Close Solve for $x$/Lambert $W$ Function
Aug
12
reviewed Close algebra problem, Solve the equation
Aug
12
reviewed Close Breaking a stick randomly at two points: Expected value of the largest piece.
Aug
12
reviewed Close Can math be learned backwards?
Aug
12
reviewed Close Find all polynomials $P \in \mathbb{R}[x]$
Aug
12
reviewed Leave Open Finding real roots of a Polynomial Equation without graphs.
Aug
12
reviewed No Action Needed Why i am getting a wrong answer while solving this probability question.
Aug
12
reviewed Reviewed Please help me this hard circle geometry question
Aug
11
reviewed Approve What is the value of $-(-6)$?
Aug
11
reviewed Reviewed Given a sequence of n numbers how to count all contiguous subsequences containing a particular number.
Aug
11
reviewed No Action Needed Showing a $\mathbb{R}^2 \rightarrow \mathbb{R}$ function attains a global maximum
Aug
11
reviewed Leave Closed Why there is no “Nobel Prize” in mathematics however it is one of the most important fields in sciences in the side of research?
Aug
11
reviewed Reopen Problem Solving Positive Integers
Aug
10
comment Cohomology of $K(\mathbb{Z}_2, n)$
See doc.rero.ch/record/482/files/Clement_these.pdf (including tables in Appendix C). In particular, yes, $H^5(K(Z/2,2))$ has 4-torsion, and no, I don't think there is a really simple and explicit answer.
Aug
10
reviewed Reopen What is the degree of the field extension $\mathbb Q(\sqrt 2, \sqrt[4] 2,\sqrt[8] 2)$ over $\mathbb Q$?
Aug
9
comment A Geometric Proof of $\zeta(2)=\frac{\pi^2}6$? (and other integer inputs for the Zeta)
related: math.stackexchange.com/q/1284161
Aug
9
comment A Geometric Proof of $\zeta(2)=\frac{\pi^2}6$? (and other integer inputs for the Zeta)
the link is dead...
Aug
6
awarded  Revival
Aug
1
reviewed Leave Closed Are there any open mathematical puzzles?
Jul
22
reviewed Leave Closed Can $1=0$ ever make sense?