In this note, the exact value of the James constant for the l3 - l1 space is obtained, J（l3 - l0 = 1.5573.... This result improves the known inequality, J（13 - 11） ≤4/3√10,which was given by Dhompongsa, Piraisang...In this note, the exact value of the James constant for the l3 - l1 space is obtained, J（l3 - l0 = 1.5573.... This result improves the known inequality, J（13 - 11） ≤4/3√10,which was given by Dhompongsa, Piraisangjun and Saejung.展开更多
基金Supported by National Natural Science Foundation of China(Grant Nos.11271112,11201127)IRTSTHN(Grant No.14IRTSTHN023)
文摘In this note, the exact value of the James constant for the l3 - l1 space is obtained, J（l3 - l0 = 1.5573.... This result improves the known inequality, J（13 - 11） ≤4/3√10,which was given by Dhompongsa, Piraisangjun and Saejung.
