Monthly Archives: August 2018

Folds on lists

The previous post turned out to be rather complicated. In this one, I return to much simpler matters: and on lists, and list homomorphisms with an associative binary operator. For simplicity, I’m only going to be discussing finite lists. Fold … Continue reading

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Asymmetric Numeral Systems

The previous two posts discussed arithmetic coding (AC). In this post I’ll discuss a related but more recent entropy encoding technique called asymmetric numeral systems (ANS), introduced by Jarek Duda and explored in some detail in a series of 12 … Continue reading

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