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A comment on The hunt for the missing data type. Parent comment
> matrix multiplication and permanents are known to be non-cheap to compute, requiring worse-than-quadratic time! So any sort of good graph algorithm must dig deeper and be more specialized for the task at hand
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> matrix multiplication and permanents are known to be non-cheap to compute, requiring worse-than-quadratic time! So any sort of good graph algorithm must dig deeper and be more specialized for the task at hand