The Weinstein-Aronszajn identity is a result in linear algebra stating that for two matrices A and B of compatible sizes m by n and n by m, where either or both may be infinite, provided the product AB is of trace class, the matrices I plus AB and I plus BA have the same determinant. It is closely related to the matrix determinant lemma and its generalizations, and it serves as the determinant analogue of the Woodbury matrix identity for matrix inverses. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Classification
Statement Form Connections
Has Statement Form
Entity-backed identity for the statement-form enum value this theorem already carries, resolved to a mathematics concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The statement-form fact itself stays on the theorem unchanged.
Entity-backed identity for the statement-form enum value this theorem already carries, resolved to a mathematics concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The statement-form fact itself stays on the theorem unchanged.
Sources
1. Weinstein-Aronszajn identity (Wikipedia)
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