In mathematics, particularly in functional analysis, the spectrum of a bounded linear operator (or, more generally, an unbounded linear operator) is a...

spectrum of a linear operator T {\displaystyle T} that operates on a Banach space X {\displaystyle X} is a fundamental concept of functional analysis...

decomposition for linear operator: spectral theorem Decomposition of spectrum (functional analysis) This disambiguation page lists articles associated with the...

discrete spectrum of T. Spectrum (functional analysis) Resolvent formalism Decomposition of spectrum (functional analysis) Discrete spectrum (mathematics)...

This is a list of functional analysis topics. See also: Glossary of functional analysis. Bra–ket notation Definite bilinear form Direct integral Euclidean...

linear algebra Spectrum (functional analysis), a generalization of the concept of matrix eigenvalues to operators Spectrum of a graph, studied in spectral...

"Resolvent set", Encyclopedia of Mathematics, EMS Press Resolvent formalism Spectrum (functional analysis) Decomposition of spectrum (functional analysis)...

}(L)=\emptyset .} Spectrum (functional analysis) Decomposition of spectrum (functional analysis) Normal eigenvalue Essential spectrum Spectrum of an operator...

spectral analysis Riesz projector Self-adjoint operator Spectrum (functional analysis), Resolvent formalism, Decomposition of spectrum (functional analysis) Spectral...

Autism or autism spectrum disorder (ASD), is a neurodevelopmental disorder characterized by repetitive, restricted, and inflexible patterns of behavior...