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Oct
9
reviewed Approve Prove that x has two base p decimal expansions
Oct
9
reviewed Edit What is the difference between the terms 'equation' and 'algorithm'?
Oct
9
revised What is the difference between the terms 'equation' and 'algorithm'?
added tags
Oct
9
reviewed No Action Needed Let p be a prime. Prove that there are ϕ(p−1) many primitive roots mod p.
Oct
9
reviewed No Action Needed If p is prime and p|$a^n$ prove that $p^n|a^n$
Oct
8
reviewed Looks OK Integer values of $a$ for which the expression $(x+a)(2013+x)+1$ is a Perfect Square
Oct
8
reviewed Reviewed Multiplication of negative numbers is always positive
Oct
8
reviewed No Action Needed Framed Cobordism Classes of links in $\mathbb R^3$
Oct
7
reviewed Close Finding a certain subsemigroup of $(\mathbb R,+)$
Oct
7
reviewed Close Solve for a and b? $a = \frac 1{20}(b^2 + 2b + 25)$ and $-a-1=-b$
Oct
2
reviewed Leave Open How to prove that $\frac{\eta^{14}(q^4)}{\eta^{4}(q^8)}=4\eta^4(q^2)\eta^2(q^4)\eta^4(q^8)+\eta^4(q)\eta^2(q^2)\eta^4(q^4)$?
Sep
28
reviewed Reviewed If two norms are equivalent on a dense subspace of a normed space, are they equivalent?
Sep
28
reviewed No Action Needed How to understand the solution to an exponential variable equation?
Sep
28
reviewed No Action Needed Choosing the best estimator
Sep
28
reviewed Edit Inequality Proof, need help simplifying
Sep
28
revised Inequality Proof, need help simplifying
improved formatting
Sep
28
reviewed Approve Prove this statement…
Sep
28
reviewed Leave Open What are Aleph numbers intuitively?
Sep
27
reviewed Leave Open Categories, whose objects are morphisms
Sep
27
reviewed Close Example of a group in which the equation $x^2=e$ has more than two solutions