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Apr
27
awarded  Popular Question
Apr
21
reviewed No Action Needed Measure of the set $\{(x+f(x), x-f(x)):x\in \mathbb R\}$ in $\mathbb R^2$ is 0
Apr
21
reviewed No Action Needed Exponential Function Equation and inverse Pre-Cal
Apr
21
reviewed Looks OK Let $p_n$ denote the $n$th prime and $c_n$ the $n$th composite number. Determine all positive integers $n$ such that $|p_n − c_n| = 1$.
Apr
18
reviewed Looks OK Negation of “Diane rode her bicycle 100 miles on Sunday”
Apr
17
reviewed Looks OK If $r$ is a primitive root of an odd prime $p$, then $s$ is a residue of $p$ iff $s \equiv r^{2n} \pmod{p}$.
Apr
17
reviewed Approve Finding a homeomorphism between $ B $ and $ B \times B $.
Apr
17
asked Find the distribution function of bivariate distribution
Mar
22
reviewed Reject and Edit How come, in this problem, the maximum product is always achieved using only $2$s and $3$s?
Mar
22
revised How come, in this problem, the maximum product is always achieved using only $2$s and $3$s?
edited body
Mar
22
reviewed Reject and Edit Can anyone help me rationalize De Morgan's Law in terms of Venn Diagram?
Mar
13
reviewed Approve Using complex analysis to evaluate $\int_0^\infty\frac{(\ln x)^3}{1+x^2}d x$
Mar
9
awarded  Taxonomist
Feb
23
revised Does there exist a nicer form for $\beta(x + a, y + b) / \beta(a, b)$?
deleted 2 characters in body
Dec
4
reviewed Close How $1 + \cos(4 \pi t + \pi) = 1 - \cos 4 \pi t$
Dec
4
reviewed Approve Discrete Math Probability and Random Variable review question
Dec
4
reviewed Approve An interesting series $\sum_{n=2}^{\infty} \sum_{k=0}^{\infty} \frac{1}{(2k+3)^n-1}$
Dec
4
comment What are the good books for learning Integral equations
@mixedmath : I mainly want to learn this topics: Linear integral equation of the first and second kind of Fredholm and Volterra type, Solutions with separable kernels. Characteristic numbers and eigenfunctions, resolvent kernel.
Dec
4
reviewed Approve How long an investment will take to compund to a target amount
Dec
4
asked What are the good books for learning Integral equations