Yoshinori Yamasaki. Ramanujan Cayley Graphs of the Generalized Quaternion Groups and the Hardy-Littlewood Conjecture. In Tsuyoshi Takagi, Masato Wakayama, Keisuke Tanaka, Noboru Kunihiro, Kazufumi Kimoto, Dung Hoang Duong, editors, Mathematical Modelling for Next-Generation Cryptography: CREST Crypto-Math Project. Mathematics for Industry, pages 159-175, Springer Singapore, 2017. [doi]
Abstract is missing.