The application of characteristic 
methods in commutative
algebra, which is a synthesis of some areas of commutative
algebra and algebraic geometry.
Tight Closure
See also
Algebraic Geometry, Commutative AlgebraExplore with Wolfram|Alpha
References
Bruns, W. "Tight Closure." Bull. Amer. Math. Soc. 33, 447-457, 1996.Huneke, C. "An Algebraist Commuting in Berkeley." Math. Intell. 11, 40-52, 1989.Referenced on Wolfram|Alpha
Tight ClosureCite this as:
Weisstein, Eric W. "Tight Closure." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TightClosure.html