Mathematics – Geometric Topology
Scientific paper
2011-10-10
Mathematics
Geometric Topology
21 pages
Scientific paper
In this note, we investigate genera for the slopes of a knotted torus in the
4-sphere analogous to the genus of a classical knot. We compare various
formulations of this notion, and use this notion to study the extendable
subgroup of the mapping class group of the knotted torus.
Liu Yi
Ni Yi
Sun Hongbin
Wang Shicheng
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