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Shijie Gu

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

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4 Twisted Whitehead double of trefoil knot Aug 31 '17
4 Is the intersection of two distinct sufficiently small metric spheres always empty, a point or a metric sphere of lower dimension? May 29 '20
4 Minimal number of generators of satellite knot groups Jul 16
4 Compactification theorem for differentiable manifolds ? Apr 22
3 Commutator length of the fundamental group of some grope Jun 4
3 Does there exist a limit of (infinite) iterated universal abelian covers of a knot group? Sep 14 '17
2 Minimal generators of the fundamental groups of Whitehead doubled knot 2 days ago
1 epimorphisms between perfect groups Nov 10 '17
1 Small codimension 1 ball on the boundary of metric ball in Busemann G-spaces Nov 12 '17
1 Direct product of hopfian groups Dec 5 '17
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