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Representation

3 resources tagged “Representation” across the knowledge library.

3 items

Article7 Aug 2026Multiprecision Integer RepresentationHow arbitrary-precision integers are stored, why the base is chosen to match the machine word, and the consequences for every algorithm above.2 min readRead More Guide6 Aug 2026Lie Algebras and the Universal Enveloping AlgebraLie algebras, representations as modules, the universal enveloping algebra and its universal property, the Poincare-Birkhoff-Witt theorem, and the augmentation ideal.4 min readRead More Guide6 Aug 2026The Subalgebra Lattice as an Algebraic LatticeThe subuniverse lattice as an algebraic lattice, the Birkhoff–Frink representation theorem, and why an exact characterisation closes the question for arbitrary algebras while leaving the finite case open.4 min readRead More