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- n. Plural form of eigenspace.
Sorry, no etymologies found.
The associated eigenvalue equations B | bk = bk | bk and the corresponding eigenmanifolds (the linear manifolds spanned by the eigenvectors associated to a given eigenvalue, also called eigenspaces) play a basic role for the predictive content of the theory.
R-preferred: the eigenspaces of R are among the set of possibly-possessed properties.
Second, it allows one, in principle, to deal with observables generally, including those that do not have (proper) eigenspaces.
Eigenvalues, eigenvectors and eigenspaces are properties of a matrix.