arXiv:2610.36281v1 Announce Type: new Abstract: Summing vectors is a basic task in differentially private data analysis. Standard private sum algorithms clip vectors to some bound, sum them, and add noise scaled to the bound. The differential privacy literature has developed a deep library of noise addition mechanisms, but it offers few tools for privately choosing a clipping bound based on the data.
Privately Clipping Heavy-Tailed Data
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