*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
What Determines an Algebraic Variety?: (AMS-216)/en-ca/what-determines-an-algebraic-variety-ams-216/C380A0A2-557C-4BBE-81BB-50F0E9A17CDD.htmlC380A0A2-557C-4BBE-81BB-50F0E9A17CDD