Ramanujan-Petersson conjecture

introduction

• Two dominant themes in the theory of automorphic forms are the Ramanujan conjecture and the Langlands functoriality conjecture

expositions

• http://www.math.ucla.edu/~jonr/eprints/lub.pdf
• Shahidi, Freydoon. 2004. “On the Ramanujan Conjecture for Quasisplit Groups.” The Asian Journal of Mathematics 8 (4): 813–835.
• Blomer, Valentin, and Farrell Brumley. 2013. “The Role of the Ramanujan Conjecture in Analytic Number Theory.” Bulletin of the American Mathematical Society 50 (2): 267–320. doi:10.1090/S0273-0979-2013-01404-6.

articles

• http://www.claymath.org/publications/Harmonic_Analysis/chapter9.pdf

questions

• http://mathoverflow.net/questions/19169/reference-request-for-a-proof-of-ramanujans-tau-conjecture