---
title: "Reference policy mathematical notation"
description: "Reference policy is a recurring research-paper notation family. Names a fixed policy used to measure or constrain how far a trained policy moves from a…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/reference-policy"
md_url: "https://fanout.sh/labs/math-decoder/symbol/reference-policy.md"
last_updated: "2026-08-09"
access: "public"
---

# Reference policy mathematical notation

Reference policy is a recurring research-paper notation family. Names a fixed policy used to measure or constrain how far a trained policy moves from a…

## Public overview

Reference policy is a recurring research-paper notation family. Names a fixed policy used to measure or constrain how far a trained policy moves from a chosen baseline behavior.

Reference policy: Names a fixed policy used to measure or constrain how far a trained policy moves from a chosen baseline behavior. Example: Measure how much the trained policy departs from the baseline distribution.

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