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Mathematics
Christopher K's user avatar
Christopher K's user avatar
Christopher K's user avatar
Christopher K
  • Member for 10 years, 11 months
  • Last seen more than a month ago
  • Toronto, Canada
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About

I'm a graduate from the University of Toronto. My hobbies include skiing the steep and deep in the Canadian West and trying to keep fit in the off-season by playing squash.

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View all questions and answers
answer
15
Laurent-series expansion of $1/(e^z-1)$
Nov 5, 2014
answer
10
limit of a sequence $(1+1/\sqrt 2+\dots+1/\sqrt n)/\sqrt n$: Cesaro maybe?
Nov 10, 2013
answer
6
Show that $dX_t=\frac{X_t}{1-t}dt+dW_t$ can be written as $X_t=(1-t)\int_{0}^{t}\frac{1}{1-s}dW_s$
Dec 30, 2020
answer
5
Solve: $(\cos x+i\sin x)(\cos 2x+i\sin 2x)(\cos 5x+i\sin 5x)={i+1\over \sqrt 2 }$
May 11, 2014
answer
5
Simplifying equation of a parabola
Jun 5, 2014
answer
5
Prove the limit $\mathop {\lim }\limits_{x \to {0^ + }} {x^{\sin (x)}} = 1$
Dec 15, 2013
answer
5
Is there an $x$ that can solve for this vector?
Dec 4, 2013
answer
4
Nonhomogeneous Linear ODE
Dec 19, 2013
answer
4
Complex Analysis - Cauchy Principal Value of Improper Integral
Dec 9, 2013
answer
4
Help evaluating $\int e^x \sqrt{1+e^{2x}}dx$
Dec 16, 2014