Which mathematical concept forms the foundation of collaborative filtering algorithms commonly used in e-commerce product recommendation systems?

E-commerce platforms rely heavily on mathematical algorithms to enhance user experience and drive sales. These algorithms power everything from product recommendations to pricing strategies. This trivia tests your knowledge about how mathematics intersects with modern e-commerce technology - a crucial aspect for product managers and marketers in the digital retail space.

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Matrix factorization and linear algebra
Differential calculus and rate optimization
Boolean algebra and propositional logic
Fractal geometry and chaos theory