APPLICATION OF THE BANACH FIXED POINT THEOREM ON FUZZY QUASI-METRIC SPACES TO STUDY THE COST OF ALGORITHMS WITH TWO RECURRENCE EQUATIONS Topics: Mathematical Foundations: Fuzzy Set Theory and Fuzzy Logic In Proceedings of the International Conference on Fuzzy Computation and 2nd International Conference on Neural Computation - Volume 0IJCCI, 105-109, 2010 , Valencia, Spain