Test ideal explained

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]

Notes and References

  1. 1407.4324. Henriques. Inês B.. Varbaro. M.. Test, multiplier and invariant ideals. 2014. math.AC.
  2. Book: A Celebration of Algebraic Geometry. Hassett. Brendan. McKernan. James. Starr. Jason. Vakil. Ravi. American Mathematical Society. September 11, 2013. 9780821889831. 3 March 2017.

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