Scale-Free correlations

Starling flocks are flying avalanches
Other scale-free correlations are Global ferromagmetism activated by drop in temperature.

ultracold atoms close in on stoner ferromagnetism modle proposed 90 years ago - "In past experiments, it had been difficult to separate signals associated with ferromagnetic interactions from signals associated with the formation of molecular pairs."

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Reverse index

Looking at this overloaded page on typesense , I wanted to understand some of the terms. A good example of reverse index is when you have to search for 234, 235, 236. Here it makes sense to find the differeing last number sooner than the initial long, same numbers. The time to dynamically reconstruct inverted index is important. Levenshtein automaton what-is-tf-idf Term frequency - inverse document frequency. Faceted search vs Filtering

The Clayton M. Christensen Reader

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