שינויים

* ספרות: [http://www.ams.org/journals/bull/2006-43-04/S0273-0979-06-01126-8/ Expander graphs and their applications], by Shlomo Hoory, Nathan Linial and Avi Wigderson* [http://www.wisdom.weizmann.ac.il/~dinuri/mypapers/combpcp.pdf The PCP Theorem by gap amplification] by Irit Dinor