Which mathematical concept is MOST frequently used in retail analytics systems to predict seasonal demand fluctuations for inventory management?

Modern retail analytics relies heavily on mathematical models to optimize operations and maximize profits. From inventory forecasting to customer behavior prediction, retailers are increasingly adopting sophisticated mathematical algorithms to gain competitive advantages. This trivia question explores how specific mathematical concepts are being applied in cutting-edge retail analytics solutions.

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Time series analysis with Fourier transformations
Euclidean geometry for store layout optimization
Purely Bayesian inference models
Algebraic topology for customer segmentation