Grigory M
Reputation
11,615
365/400 score
 Aug 13 reviewed Leave Open If $f\otimes_\mathbb{Z}\mathbb{Z}/(p)\colon M\otimes_{\mathbb{Z}}\mathbb{Z}/(p)\to N\otimes_\mathbb{Z} \mathbb{Z}/(p)$ is onto for all $p$, $f$ onto? Aug 13 reviewed Leave Open How to show there are irreducible polynomials of any degree over $\Bbb Z _p$? Aug 13 reviewed Close How to compute $\int_0^1 \frac{1}{1+x^4}\;dx$? Aug 13 reviewed Close Simplifying $\frac{1}{\sqrt{-1}}$ Aug 13 reviewed Close Which numbers are square modulo 9? Aug 12 reviewed No Action Needed Finding locally and globally closing loops in a graph with toroidal topology Aug 12 reviewed Close Last digit of a perfect square must be $0, 1, 4, 5, 6,$ or $9$ Aug 12 reviewed No Action Needed Understanding conversion of the equation of a line into parametric form Aug 12 reviewed Close How to solve trigonometry question Aug 12 reviewed No Action Needed Reducing a higher order nonlinear ODE to a system of first order ODEs Aug 12 reviewed Leave Closed Are the Real numbers really Complete? Aug 12 reviewed Looks OK Stationary points of piecewise function Aug 12 reviewed No Action Needed Intersection of topological manifolds. Aug 12 reviewed Close how many distinct number group possibilities exist in a powerball drawing if you exclude the powerball 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.