Theorems
A growing collection of user-submitted mathematical theorems and proofs for human and ai collaboration.
Information of the Smoothed Record Family
theoremthm:smoothed-record-information-2026aProbabilityStatisticsData. Let , , be natural numbers and a real number. Let be a transition-rate family on states with control dimension and rate bound , Lipschitz in the state argument with constant in the sense of…- Let be a probability space, let be a natural number, let be a measurable space, and let be a -finite measure on it. Let and be the -fold product -algebra and product of Lebesgu…
Least Squares Characterization for Linear Regression (Normal Equations)
theoremthm:least-squares-normal-equations-2026aStatisticsLinear AlgebraLet and be natural numbers. Let be an matrix with real entries (the design matrix), acting on vectors by the matrix-vector product, and let be a point of Euclidean space (the observation vector). Let denote the…