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Dec
21
reviewed Approve Restrictions on universal specification (in first-order logic)?
Dec
21
reviewed Reject Is this true? $(1+1/n)^n=1+1/1!+1/2!+1/3!+1/4!+\cdots + 1/n!$
Dec
21
reviewed Approve Extended version of the boundedness theorem: $f$ attains its bounds $\inf$ and $\sup$ of $\{f(x) | x \in [a,b]\}$
Dec
21
reviewed Reviewed Infiniteness of non-twin primes.
Dec
21
reviewed Looks OK Let $x,y,z$ be integers and $11$ divides $7x+2y-5z$. Show that $11$ divides $3x-7y+12z$.
Dec
21
reviewed No Action Needed In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?
Dec
21
reviewed Close functional equations with restricted domain
Dec
21
reviewed Close random thought: are some infinite sets larger than other
Dec
21
reviewed No Action Needed $L^2$ method to solve the PDE $\bar{\partial}u=f$, where $f\in L^{ 2 }_{ (0,p) }(\Omega )$
Dec
21
reviewed Close Consider $P(n)$ as a number of $n$-permutations, which each cycle have even length, and …
Dec
21
reviewed Approve Probability that a geyser erupts
Dec
21
reviewed Leave Open Reputation probabilities
Dec
21
reviewed Close Is there any good reason not to define $0^0=1$ , such as contradictions in algebra or arithmetic?
Dec
21
reviewed No Action Needed Etymology of the word “isotropic”
Dec
21
reviewed Looks OK For any $n$, there are at most two simple groups of order $n$?
Dec
21
reviewed Close For any $n$, there are at most two simple groups of order $n$?
Dec
21
reviewed No Action Needed For set of positive measure $E$, $\alpha \in (0, 1)$, there is interval $I$ such that $m(E \cap I) > \alpha \, m(I)$
Dec
21
reviewed Looks OK Reducing ${n\choose k} - {n\choose k-1}$
Dec
20
reviewed Close Proof of a claim on a continuous function in [0,1]
Dec
20
reviewed Leave Open What books are recommended for learning calculus on my own?