Back to Minimum overlap problem

*n* = 15

f(x) = 0 | for 0 | ≤ x < 2/15 | ||

f(x) = 0.09938602 | for 2/15 | ≤ x < 4/15 | ||

f(x) = 0.64299877 | for 4/15 | ≤ x < 6/15 | ||

f(x) = 0.36104582 | for 6/15 | ≤ x < 8/15 | ||

f(x) = 0.69536426 | for 8/15 | ≤ x < 10/15 | ||

f(x) = 0.59241335 | for 10/15 | ≤ x < 12/15 | ||

f(x) = 0.89573331 | for 12/15 | ≤ x < 14/15 | ||

f(x) = 0.92611694 | for 14/15 | ≤ x ≤ 1 | ||

f(x) = f(2-x) | for 1 | < x ≤ 2 |

α(

maximal for 2/15
≤ |k| ≤ 12/15 |