Robert Israel
Reputation
975/1000 score
 6h answered How much can I gauge about the domain of a differential equation without actually solving it? 6h answered How to solve $8x^3-6x+6xy^2=0=4y^3-4y+6xy^2$ 1d answered What is the intuitive difference between almost sure convergence and convergence in probability? 2d answered Is a factorable polynomial invertible? 2d answered About the definition of $L^{\infty}$ norm 2d answered How to simplify $\sqrt[3]{7+5\sqrt{2}}+\sqrt[3]{7-5\sqrt{2}}$ 2d answered Solve nonlinear system of equations 2d answered All measures $\alpha,\beta$ on $[0,1]$ satisfying certain moment conditions Feb 4 answered How to calculate the derivative of logarithm of a matrix? Feb 3 answered Showing that if $\lim_{x\to\infty}f'(x)=L$ then $\lim_{x\to\infty}\frac{f(x)}{x} = L$. Feb 3 answered Is there any algorithm to find Isomorphism function between two graphs? Feb 3 answered Discontinuous growth rate in a first-order dynamical system Feb 3 answered Number of integer solutions of $\frac{1}{x}+\frac{1}{y}=\frac{1}{2016}$ Feb 2 answered Maximum of a sum of random variables Feb 2 answered Spectral radius and dense subspace Feb 2 answered If $(z_{n}) \in \mathbb{C}$, $z_{n} \to \infty$ as $n \to \infty$, what happens to $|z_{n}|$, $Re(z_{n})$, $Im(z_{n})$, $Arg(z_{n})$? Feb 1 answered Limit of $h(x)= \frac{f(x)}{g(x)}$ Feb 1 answered How many numbers between $0$ and $1,000,000$ have exactly one digit equal to $9$ and the sum of digits equal $13$? Feb 1 answered P-adic norm/valuation of n! Jan 29 answered How can define analytic function on simply connected domain?