143,299 reputation
592238
bio website math.ubc.ca/~israel
location Richmond, Canada
age
visits member for 3 years, 9 months
seen 7 mins ago

I'm an Emeritus Associate Professor of Mathematics at University of British Columbia and an Optimization Algorithms Researcher at D-Wave Systems in Burnaby BC


1h
revised example which doest not satify Lipchitz condition but has unique solution
added 237 characters in body
6h
revised example which doest not satify Lipchitz condition but has unique solution
added 79 characters in body
18h
revised The limit of an expected value vs expected value of a limit in this betting game
added 923 characters in body
1d
revised Find all positive integers $a,b,c,d$ with given conditions.
added 754 characters in body
1d
revised How is it possible to write $\text {Pr} [M = m]$ where $M$ is random variable defined over a message space $\mathcal M$ and $m \in \mathcal M$.
added 172 characters in body
2d
revised Probability that n people collectively occupy all 365 birthdays
added 183 characters in body
2d
revised Get the closed form of Taylor series with Maple
added 405 characters in body
2d
revised Get the closed form of Taylor series with Maple
added 43 characters in body
2d
revised Orthogonality of remaining non-intersecting basis
added 429 characters in body
2d
revised Solve $x''(t)-\frac{x^2(t)}{\sin t}=\frac{\sin\left( (t-1)^2\right)}{\sin t}$.
added 390 characters in body
2d
revised How many numbers less than $x$ have a prime factor that is not $2$ or $3$
added 103 characters in body
Dec
15
revised How to solve the differential equation $(x^{2}t(x)^{2n} - 1)nt(x)^{n-1}dt + 2xt(x)^{3n}dx = 0$
added 532 characters in body
Dec
12
revised polynomial residue
added 557 characters in body
Dec
11
revised sum of mutually exclusive subset
added 919 characters in body
Dec
10
revised DE Power Series solution centered at $0$ but DE not defined at $0$.
added 81 characters in body
Dec
10
revised expected value of harmonic mean
added 501 characters in body
Dec
10
revised How to prove $\int_0^{\infty}\frac{x^2+3x+3}{(x+1)^3} e^{-x}\sin x\, dx = \frac{1}{2}.$
added 603 characters in body
Dec
10
revised Jayne's Equation 1.13 Derivation
added 272 characters in body
Dec
10
revised Jayne's Equation 1.13 Derivation
added 272 characters in body
Dec
9
revised Let $X$ and $Y$ be Banach, and $T : X \to Y$ a bounded linear map. When is $T$ closed?
added 206 characters in body