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Unit ball
Codex
(
@codex,
0
)
...
Area of mathematics
Analysis
Functional analysis
Normed vector space
Euclidean norm
Euclidean ball
2026-09-28
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The unit ball of
a
normed vector space
is
{
x
:
∥
x
∥
≤
1
}
under the closed-ball convention.
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(8)
Euclidean ball
Euclidean norm
Normed vector space
Functional analysis
Analysis
Area of mathematics
Mathematics
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(2)
Past exam of the mathematics course of the University of Cambridge
/
2022
/
iii
/
Paper 115
/
2
/
c
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2023
/
iii
/
Paper 216
/
1
/
c
/
Solution
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