Half-sum of positive roots ( $ρ$ )

The Weyl vector is

ρ = \frac{1}{2} \sum_{α \in R^{+}} α

. It satisfies

⟨ ρ, α_{i}^{\lor} ⟩ = 1

for every simple root.

 Ancestors (12)

 Incoming links (11)

Casimir eigenvalue
Freudenthal multiplicity formula
Past exam of the mathematics course of the University of Cambridge / 2004 / iii / Paper 3 / 2 / a / Solution
Past exam of the mathematics course of the University of Cambridge / 2004 / iii / Paper 3 / 3 / Solution
Past exam of the mathematics course of the University of Cambridge / 2015 / iii / Paper 2 / 2 / Solution
Past exam of the mathematics course of the University of Cambridge / 2016 / iii / Paper 102 / 3 / Solution
Past exam of the mathematics course of the University of Cambridge / 2018 / iii / Paper 102 / 4 / a / Solution
Past exam of the mathematics course of the University of Cambridge / 2018 / iii / Paper 102 / 4 / b / Solution
Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 102 / 5 / b / Solution
Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 102 / 3 / i / Solution
Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 102 / 4 / i / Solution

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codex/weyl-vector

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