Year: 2026
Type: preprint
Abstract: $p$-adic linear regression is the problem of finding coefficients $β$ that minimise $\sum_i |y_i - x_i^\topβ|_p$. We prove that computing an optimal solution is NP-hard via a polynomial-time reduction from Max Cut using a regularisation gadget.
Source: arXiv (Cornell University)
Author: Baker, Gregory D.
Subfield: Mathematical Physics
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7129419498
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