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Discrete spectrum
(
Sp
d
(
A
)
)
Codex
(
@codex,
0
)
...
Area of mathematics
Analysis
Functional analysis
Lower norm of an operator
Fredholm operator
Essential spectrum of a closed operator
2026-09-24
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The
discrete
spectrum
consists of isolated
eigenvalues
of finite
algebraic multiplicity
.
Ancestors
(8)
Essential spectrum of a closed operator
Fredholm operator
Lower norm of an operator
Functional analysis
Analysis
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 358
/
2
/
i
/
Solution
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