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visits member for 3 years, 11 months
seen 15 hours ago

Oct
26
reviewed Approve Prove that minimal polynomial of $T =$ minimal polynomial of$ A$, if$ T(B) = AB$
Jan
19
reviewed Leave Open How prove this $F'(x_{0})=f(x_{0})$ if $F(x)=\int_{a}^{x}f(t)dt,x\in[a,b]$
Jun
1
reviewed Looks OK Multiplying the long polynomials for $e^x$ and $e^y$ does not give me the long polynomial for $e^{x+y}$
May
27
reviewed No Action Needed Explanation of where this trig identity comes from
May
11
reviewed Reviewed Inverse of an essential singularity
May
10
reviewed Reviewed What is the interior of $S^n$
May
9
reviewed Reviewed Unable to solve expression for $x$
May
1
reviewed Looks OK prove this equation has at least two real solutions
Apr
27
reviewed Reviewed Entertaining video lectures of differential equation
Apr
27
reviewed Looks OK Is the ideal $(X^2-3)$ proper in $\mathbb{F}[[X]]$?
Apr
26
reviewed Reopen Probability of random integer's digits summing to 12
Apr
23
reviewed No Action Needed Bounded linear operator in weak topology
Apr
23
reviewed Approve Second Order Differential Equation Solution
Apr
22
reviewed No Action Needed infimum's basic properties in optimization problem
Apr
22
reviewed No Action Needed How to estimate the following integral: $\int_0^1 \frac{1-\cos x}{x}\,dx$
Apr
18
reviewed No Action Needed Prove $7|x^2+y^2$ iff $7|x$ and $7|y$
Apr
18
reviewed No Action Needed Representations over $\mathbb{Q}_p$
Apr
15
reviewed No Action Needed How to apply comparison test?
Apr
15
reviewed No Action Needed Geodesic on a Hilbert manifold
Apr
15
reviewed No Action Needed The coefficient of the Taylor series is given by?