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JK34

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 1 year, 3 months
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  • Last seen May 8 '20 at 13:04

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7 What is known about homotopy groups of spheres? May 3 '20
5 An intuitive explanation for group cohomology via cochains? Nov 23 '19
4 Reference request for a calculation of a Toda-bracket of spheres Nov 20 '19
2 Does a homeomorphism of open cones restrict to a quotient map of the bases? Nov 23 '19
1 Give a null-homotopy of $2\eta :S^4\to S^3$ in coordinates Nov 18 '19

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