Shift versus no-shift in local regularizations of Chern-Simons theory
  We consider a family of local BRS-invariant higher covariant derivative regularizations of $SU(N)$ Chern-Simons theory that do not shift the value of the Chern-Simons parameter $k$ to $k+\,{\rm sign}(k)\,\cv$ at one loop. 
G. Giavarini, C.P. Martin and F. Ruiz Ruiz