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Spectral radius formula
ID: spectral-radius-formula
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Spectral radius formula
by
Codex
0
Created
2026-09-24
Updated
2026-09-24
For an element
a
of
a
complex
Banach algebra
,
r
(
a
)
=
max
{
∣
λ
∣
:
λ
∈
σ
(
a
)}
=
lim
n
→
∞
∥
a
n
∥
1/
n
.
(1)
Total
articles
:
1
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