Open unit ball ( $B_{X}$ )

The open unit ball of a normed vector space

X

is

B_{X} = {x \in X : ∥ x ∥ < 1}

.

 Ancestors (9)

 Incoming links (5)

Coordinate-projection atlas of an ellipsoid
Past exam of the mathematics course of the University of Cambridge / 2015 / iii / Paper 56 / 1 / Solution
Past exam of the mathematics course of the University of Cambridge / 2017 / ib / Paper 2 / 12G / ii / Solution
Past exam of the mathematics course of the University of Cambridge / 2017 / ib / Paper 2 / 12G / i / Solution
Past exam of the mathematics course of the University of Cambridge / 2019 / ii / Paper 3 / 21H / a / Solution

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