Test ideal

From HandWiki

A test ideal is a positive characteristic analog of a multiplier ideal in, say, the field of complex numbers.[1] Test ideals are used in the study of singularities in algebraic geometry in positive characteristic.[2]

References

  1. Henriques, Inês B.; Varbaro, M. (2014). "Test, multiplier and invariant ideals". arXiv:1407.4324 [math.AC].
  2. Hassett, Brendan; McKernan, James; Starr, Jason; Vakil, Ravi (September 11, 2013). A Celebration of Algebraic Geometry. American Mathematical Society. ISBN 9780821889831. https://books.google.com/books?id=4UDeAAAAQBAJ. Retrieved 3 March 2017.