LazyAlgebra: What do you call something like a vector space, but where the vectors only form a semigroup rather than a group? /cc @posco
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Replying to @tixxit
@avibryant@posco Out of interest, what's the instance you're working with?1 reply 0 retweets 0 likes
Replying to @tixxit
@tixxit @posco I'd like to generalize https://github.com/twitter/algebird/blob/develop/algebird-core/src/main/scala/com/twitter/algebird/DecayedVector.scala … a bit. It asks for a VectorSpace but could easily take a subset.
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