LSZ reduction formula in many-dimensional theory with space-space   noncommutativity
  An analogue of the Lehmann-Symanzik-Zimmermann reduction formula is obtained for the case of noncommutative space-space theory. Some consequences of the reduction formula and Haag's theorem are discussed. 
K. V. Antipin, M. N. Mnatsakanova, Yu. S. Vernov
math-ph hep-th math.MP