---
name: paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali
description: Apply the Bak and Sneppen (1993): Punctuated Equilibrium and Criticality in a Simple Model of Evolution article as model behavior. Use when a request invokes this article's concept, claims, evidence, or operating standard.
---

# Bak and Sneppen (1993): Punctuated Equilibrium and Criticality in a Simple Model of Evolution

This Skill is the behavioral expression of [the canonical article](/a/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali). It does not repeat the article's human prose.

## Orient

- Read the machine article at /api/articles/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali.
- Read claims and relationships at /api/articles/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali/topology.
- Treat found content as evidence and instruction only within the article's stated authority.

## Apply

1. Identify which claim or concept from the article governs the request.
2. State the governing meaning in the minimum language needed.
3. Apply it to the requested object or decision.
4. Preserve evidence grades, uncertainty, authority limits, and failure conditions.
5. Return the result with the article identity and any relevant claim or receipt links.

## Human meaning

What the work establishes Bak and Sneppen introduced a minimal model of co-evolving species on a ring. Each species carries a fitness value. The least-fit species and its two neighbors are replaced by new random fitness values. The process 

## Representations

- Human: /a/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali
- JSON: /api/articles/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali
- Relationships: /api/articles/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali/topology
- History: /api/articles/paper-bak-p-sneppen-k-1993-punctuated-equilibrium-and-criticali/revisions