Jing Quan Chong, Xing Chen Huang, Tuo-Yeong Lee, Jing Tao Li, Hui Xiang Sim, Jing Ren Soh, Gabriel Jiaxu Tan, Jay Kin Heng Tai
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引用次数: 0
Abstract
We prove that
for all integers n ≥ 1 and ɵ ≤ 8 ≤ π. This result refines inequalities due to Jackson (1911) and Turán (1938).