Group representation theory MOC

Direct sum of representations

Given two representations Γ :𝐺 →GL(𝑉) and ˜Γ :𝐺 →GL(𝑊), the direct sum Γ ⊕˜Γ :𝐺 →GL(𝑉 ⊕𝑊) is defined using the Direct sum of linear maps as

(Γ⊕˜Γ)(𝑔)=Γ(𝑔)⊕˜Γ(𝑔)


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