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    • On the triviality of higher-derivative theories 

      Andrzejewski, Krzysztof; Gonera, Joanna; Machalski, Piotr; Bolonek-Lasoń, Katarzyna (North-Holland, 2012)
      The higher-derivative theories with degenerate frequencies exhibit BRST symmetry [V.O. Rivelles, Phys. Lett. B 577 (2003) 147]. In the present Letter meaning of BRST-invariance condition is analyzed. The BRST symmetry is ...