Mathematics
James Cheung's user avatar
James Cheung's user avatar
James Cheung's user avatar
James Cheung
  • Member for 6 years, 4 months
  • Last seen more than a week ago
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23
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4
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17
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3
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12
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12
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10
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42
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29
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17
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Top posts
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All Questions Answers
Score Newest
question
2
Character of $i$-th exterior power of a complex semisimple Lie algebra $\mathfrak{g}$
Aug 26, 2019
question
2
A closed plane curve $\gamma$ with positive non-constant curvature $\kappa(s)>0$ and rotation index $1$. Does it implies $\gamma$ is simple?
Jun 13, 2021
question
1
Show $z := H - h$ lies in the center of $\mathfrak{g}^\mathfrak{s}$.
Aug 2, 2017
question
1
A question about tensor product of $M,N\in\mathcal{O}$.
Oct 2, 2018
question
1
Question about $\text{Hom}_{\mathfrak{g}}(M,L)$
Nov 27, 2018
question
1
About parabolic subgroup of a Weyl group
Dec 29, 2018
question
1
About Levi factor of a standard parabolic subalgebra
May 8, 2019
question
1
A standard result from linear algebra on families of commuting operators
Jun 4, 2019
question
1
About expressing $w\rho-\rho$ as a sum of roots
Aug 25, 2019
question
1
Request for open source program for finding reduced row echelon form of an augmented matrix
Apr 19, 2020
Top network posts
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10
Strange formulas that gave rise to Koszul duality
8
History of the study of Verma modules in terms of Kazhdan Lusztig Theory
5
Parabolic Kazhdan-Lusztig polynomial coincide?
5
Progress on the result about montonicity of Kazhdan Lustzig polynomials
5
Maximum number of half great circles of length $\pi$ can be drawn on a sphere without any intersection

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