Definition:Alexander Polynomial
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Definition
For a knot $K$ with Seifert matrix $V$, the Alexander polynomial of $K$ is defined as:
- $\map {\Delta_K} t = \map \det {V - t V^\intercal}$
Also see
- Results about Alexander polynomials can be found here.
Source of Name
This entry was named for James Waddell Alexander II.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Alexander polynomial
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Alexander polynomial
- 2021: Richard Earl and James Nicholson: The Concise Oxford Dictionary of Mathematics (6th ed.) ... (previous) ... (next): Alexander, James Waddell (1888-1971)