1 INTRODUCTION

2 MODEL FOR THE CLUSTERING OF LY α SELECTED GALAXIES
2.1 Ly α absorption in the IGM
2.2 Galaxy bias and fluctuations in the number density of galaxies
2.3 The Ly α emitter power spectrum

3 ANALYTIC MODEL FOR THE EFFECT OF LY α TRANSMISSION ON CLUSTERING

4 DETAILED MODELLING OF TRANSMISSION AND CLUSTERING OF LY α EMITTERS

5 LY α TRANSMISSION FLUCTUATIONS IN GALAXY REDSHIFT SURVEYS

6 CONSTRAINTS ON LY α TRANSMISSION MODELS

7 SUMMARY AND CONCLUSION