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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 Reviewed Find area of an isosceles triangle with medians perpendicular to each other and base of length 4.
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 How to solve $\;3x^2-2\sqrt x+2=0\;$
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?