product ring

Noun

 * 1)  A ring that is the direct product of rings.
 * 2) * 2007, Catriona Maclean (translator), Daniel Perrin, Algebraic Geometry: An Introduction, [1995, D. Perrin, Géométrie algébrique], Springer, page 101,
 * Then $$A_\lambda$$ is isomorphic to the product ring $$k \times k$$ via the homomorphism sending $$X$$ to $$(\alpha,-\alpha)$$.
 * 1) * 2007, Catriona Maclean (translator), Daniel Perrin, Algebraic Geometry: An Introduction, [1995, D. Perrin, Géométrie algébrique], Springer, page 101,
 * Then $$A_\lambda$$ is isomorphic to the product ring $$k \times k$$ via the homomorphism sending $$X$$ to $$(\alpha,-\alpha)$$.

Translations

 * French: produit d'anneaux