Braids and links in dimension four
Seiichi Kamada
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Braid theory and knot theory are related to each other via the Alexander and Markov theorem. This situation is generalized into dimension four; namely the theories of
$2$-dimensional braids and $2$-dimensional knots (or knotted surfaces) in $4$-space. I will give an introduction to this
and discuss some of recent results in this field.
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