---
title: "Expert routing probability mathematical notation"
description: "Expert routing probability is a recurring research-paper notation family. Normalizes router logits into expert weights used for selection, combination,…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/router-probability"
md_url: "https://fanout.sh/labs/math-decoder/symbol/router-probability.md"
last_updated: "2026-08-09"
access: "public"
---

# Expert routing probability mathematical notation

Expert routing probability is a recurring research-paper notation family. Normalizes router logits into expert weights used for selection, combination,…

## Public overview

Expert routing probability is a recurring research-paper notation family. Normalizes router logits into expert weights used for selection, combination, or auxiliary balancing statistics.

Expert routing probability: Normalizes router logits into expert weights used for selection, combination, or auxiliary balancing statistics. Example: Distribute routing weight across all experts before sparse selection.

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