平へい坦たん加か群ぐん

noun

flat module

A module over a ring such that tensoring with it preserves exact sequences. Technical term in commutative algebra and algebraic geometry.

• 平へい坦たん加か群ぐんは、テンソル積せきをとっても完かん全ぜん列れつが保たもたれる加か群ぐんのことです。

  A flat module is a module for which tensoring preserves exact sequences.