1 INTRODUCTION  
  
2 ITERATIVE PROJECTION METHODS – KRYLOV SUBSPACE METHODS  
  
3 SUBSPACE AUGMENTATION AND THE STRATEGY OF DEFLATION  
  
4 SUBSPACE RECYCLING  
  
5 PRACTICAL REALIZATIONS OF THE RECYCLING FRAMEWORK  
  
6 WHAT TO RECYCLE  
  
7 EXPLOITING OPERATOR STRUCTURE AND MULTIPLE RIGHT-HAND SIDES  
  
8 USES IN PRACTICAL APPLICATIONS  
  
9 OUTLOOK AND FUTURE WORK