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Eric Ley's user avatar
Eric Ley's user avatar
Eric Ley's user avatar
Eric Ley
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I'm an undergraduate at BNU. I'm interested in low dimensional topology.

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7
How to solve $\int_0 ^1 \left( \frac{x^2}{1+x^2} \right)\frac{1-x\tan(x)+ \tan(x)-x}{1 -x\tan(x)-\tan(x)-x}dx$?
Mar 2
4
When is $\text{gr}(V)\cong V$?
Mar 6
4
Prove that the polynomial $f(x)=P\left(x\right)+P'\left(x\right)+...+P^{(n+1)}\left(x\right)$ has no real roots
Feb 3
3
Action of symmetry group on homology?
Nov 13, 2023
3
Why the bridge index of $8_{10}$ is 3?
Nov 26, 2023
3
When can a homotopy lift to its compactification?
Mar 11
3
Generic intersection of hyperplanes
Apr 6
2
Sylow $p$-Subgroups of $GL_n(\mathbb F_q)$
Jan 30
2
Is this quotient space a manifold?
Feb 14
2
How to show complete reducibility from this special case?
Feb 22