semiprojection

名词 n.

英文释义

名词 n.
  1. A function f of rank k, where k is greater than or equal to three, such that for some index i between one and k (inclusive), f(x₁, x₂, ... xₖ) = xᵢ whenever |{x₁, x₂, ... xₖ}| < k.
    — We now show that closure under a semiprojection operation is not in general a sufficient condition for tractability.

词形变化

semiprojections plural
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