Classical stability of higher-derivative q-theory in the four-form-field-strength realization
arXiv:1704.05436 · doi:10.1142/S0217751X17500907
Abstract
We show that higher-derivative -theory in the four-form-field-strength realization does not suffer from the Ostrogradsky instability at the classical level.
10 pages, v4: published version, expanded references