Robert Israel

86,499 reputation

52135

bio	website	math.ubc.ca/~israel
	location	Richmond, Canada
	age
visits	member for	2 years, 2 months
	seen	13 mins ago
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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

	86,499 reputation	bio	website	math.ubc.ca/~israel	visits	member for	2 years, 2 months
52135 badges		location	Richmond, Canada		seen	13 mins ago

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Is this way of teaching how to solve equations dangerous somehow?

Help find hard integrals that evaluate to $59$?

The last digit of $2^{2006}$

$\sin 1^\circ$ is irrational but how do I prove it in a slick way? And $\tan(1^\circ)$ is …

What is the larger of the two numbers?

Is there an explicit isomorphism between $L^\infty[0,1]$ and $\ell^\infty$?

“L'Hôpital's rule” vs. “L'Hospital's rule”?

$\frac{a}{b} = \frac{c}{d} $ if $ad = cb$, how to intuitively understand this?

Is there such a thing as proof by example (not counter example)

Theorems with an extraordinary exception or a small number of sporadic exceptions

Approximation for $\pi$

Is $n \sin n$ dense on the real line?

Is Complex Analysis equivalent Real Analysis with $f:\mathbb R^2 \to \mathbb R^2$?

dissection of a $1\times 5$ rectangle to a square

What kind of “symmetry” is the symmetric group about?

What are some examples of a mathematical result being counterintuitive?

A new imaginary number? $x^c = -x$

Is it possible for a function to be in $L^p$ for only one $p$?

When two functions are equal, but not.

Is there a 'far' irrational number?

Behaviour of the series $\exp_p(x)=\sum_{k=0}^{\infty}\frac{x^k}{(k!)^p}$ depending on $p\approx 2$?

Brute force method of solving the cube: How many moves would it take?

What does $2^x$ really mean when $x$ is not an integer?

A Math function that draws water droplet shape?

Can Euler's identity be extended to quaternions?

How to show that this set is compact in $\ell^2$

Solving $5^n > 4,000,000$ without a calculator

Product of adjacency matrices

Examples of results failing in higher dimensions

$(1+\frac{1}{n\log n})^n-1=O(\frac{1}{n})$.