Chih-Hao Fu, Yi-Jian Du, Bo Feng
Note on symmetric BCJ numerator


We present an algorithm that leads to BCJ numerators satisfying manifestly the three properties proposed by Broedel and Carrasco in [35]. We explicitly calculate the numerators at 4, 5 and 6-points and show that the relabeling property is generically satisfied.

LU TP 14-11