Evectant
In mathematical invariant theory, an evectant is a contravariant constructed from an invariant by acting on it with a differential operator called an evector. Evectants and evectors were introduced by James Sylvester.[1]
References
- ^ Sylvester, James (1854). The Cambridge and Dublin mathematical journal. Macmillan. p. 95.
Further reading
- Sylvester, James Joseph (1853), "On the calculus of forms, otherwise the theory of invariants", The Cambridge and Dublin Mathematical Journal, 8: 257–269