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An Introduction to Johnson-Lindenstrauss Transforms

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arxiv 2103.00564 v1 pith:2JT2TZKS submitted 2021-02-28 cs.DS cs.LG

An Introduction to Johnson-Lindenstrauss Transforms

classification cs.DS cs.LG
keywords theydatamanytransformscharacteristicsdeeplydevelopmentdifferential
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Johnson--Lindenstrauss Transforms are powerful tools for reducing the dimensionality of data while preserving key characteristics of that data, and they have found use in many fields from machine learning to differential privacy and more. This note explains what they are; it gives an overview of their use and their development since they were introduced in the 1980s; and it provides many references should the reader wish to explore these topics more deeply.

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