Ｊ. Ｍ.
Reputation
106/100 score
 Jun1 reviewed Close Irreducibility issue May31 reviewed Close How to calculate a result based on an exponentially changing pattern/sequence. May3 reviewed Leave Closed Why is $\;n^2-\frac{n^2}{2} =\frac{n^2}{2}\;$? Apr24 reviewed Reject Help evaluating long definite integral. Apr17 reviewed Looks OK Solve the trigonometrical product Apr14 reviewed Close Is it better to learn math before physics? Apr9 reviewed Reopen span set and min distance of a code Apr9 reviewed Approve Coding Theory - Fourier/Walsh/Hadamard Transform Apr9 reviewed Approve How to prove ${{a}^{a}}{{b}^{b}}\ge {{\left(\frac{a+b}{2}\right)}^{a+b}}$ ?thanks. Apr9 reviewed Close $\tau:=\{Y\in P(X) | A\subseteq Y\}\cup\{\emptyset\}$ topological space Apr6 reviewed Leave Open Finding a context-free grammar for $a^i b^j : 2i < j$ Apr5 reviewed Looks OK Cauchy-Schwarz Inequality for Integrals for any two functions clarification Apr5 reviewed Edit Choosing countries for a council Apr4 reviewed Edit Trigonometrical limit $\lim\limits_{ x\to 0 } \frac{\sin x - x\cos x}{x^3}?$ Apr3 reviewed Reject Evaluate $\int\limits_0^\infty \frac{\cos(ax)}{\cos(bx)}\frac{1}{1+x^2}dx$ Apr3 reviewed Leave Open Does $G\times K\cong H\times K$ imply $G\cong H$? Apr3 reviewed Approve Easiest and most complex proof of $\gcd (a,b) \times \operatorname{lcm} (a,b) =ab.$ Aug15 reviewed Edit Limit of $\frac{1}{x} - \frac{1}{\sin{(x)}}$ Jul30 reviewed Approve Three problems with binomial coefficients Jul27 reviewed Approve A circle on the plane