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Can anyone explain what is "the distributive property of addition over max" as Σ Σ max(Ai+Bj,Aj+Bi) can be written as Σ Σ[max(Ai-Bi ... ... <看更多>

The distributive property is needed to have a ring, so the question sounds like why are rings so important in math? Well, because they allow ... ... <看更多>