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L.Z. Wong's user avatar
L.Z. Wong's user avatar
L.Z. Wong
  • Member for 14 years, 4 months
  • Last seen more than 2 years ago
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39
Proofs without words
Oct 28, 2015
question
26
Deriving inverse of Hilbert matrix
Nov 28, 2010
answer
25
Deriving inverse of Hilbert matrix
Dec 3, 2010
question
24
Importance of Log Convexity of the Gamma Function
May 2, 2010
question
18
Probability of a point on a unit sphere lying within a cube
Jun 18, 2010
answer
7
Why do Groups and Abelian Groups feel so different?
Jun 11, 2016
answer
3
Algorithm to check is representation irreducible ? Algorithm to decompose the reducible one ?
Jan 28, 2015
answer
3
Pullbacks and pushouts in the category of (small) dg-categories
Sep 24, 2017
answer
3
Does there exist a terminal surjective discrete fibration out of $C$?
Oct 17, 2019
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2
Do weak equivalences in a model category admit a calculus of fractions?
Nov 16, 2016
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IPython notebook and rmagic/rpy2: cannot find module ri2py (OSX 10.8.5, python 2.7, R 3.1)
10
How can an engineer make use of commutative diagram?
5
Converting GAP groups into SAGE permutation groups.