Before revision:  These circulations are derived by computing a regularized version of the standard Newton step, which can be done efficiently due to recent developments on computing \ell_p-norm minimizing flows (Kyng-Peng-Sachdeva-Wang  ).
After revision:  These circulations are derived by computing a regularized version of the standard Newton step, which can be done efficiently due to recent developments on computing \ell_p-norm minimizing flows (Kyng-Peng-Sachdeva-Wang , 2019 ).