# A Simple Haploid-Diploid Evolutionary Algorithm

**Authors:** Larry Bull

arXiv: 1903.11598 · 2019-03-29

## TL;DR

This paper introduces a simple modification to evolutionary algorithms inspired by haploid-diploid cycles in eukaryotic sex, demonstrating improved performance on rugged fitness landscapes modeled by the NK model.

## Contribution

It proposes a straightforward adjustment to standard evolutionary algorithms to leverage haploid-diploid cycling effects, enhancing search in complex landscapes.

## Key findings

- Benefit increases with landscape ruggedness
- Improved search efficiency on NK model landscapes
- Simple modification yields notable performance gains

## Abstract

It has recently been suggested that evolution exploits a form of fitness landscape smoothing within eukaryotic sex due to the haploid-diploid cycle. This short paper presents a simple modification to the standard evolutionary computing algorithm to similarly benefit from the process. Using the well-known NK model of fitness landscapes it is shown that the benefit emerges as ruggedness is increased.

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Source: https://tomesphere.com/paper/1903.11598