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Mathematics
Quick fact
The Alexander polynomial was introduced by J. W. Alexander in 1928 and was the first knot invariant that could distinguish knots that share the same fundamental group, such as the granny knot and the square knot.
Why this is interesting
You've probably tied a knot in a shoelace and know it's hopelessly tangled. But how can a mathematician prove that two knots are truly different, even if they look almost identical?
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Subjects · study & training · careers
Choose something you are considering. FACTREE will give you a clear picture of what it contains, how its main parts connect and where it could lead.
This private catalogue connects 31 subjects, study routes and careers across six broad areas. Public Maps and learner routes remain off.
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