æz ɐ nˈɑːvəl tˈaɪp ʌv sˈɛmaɪdɪskɹˈiːt daɪnˈæmɪkəl sˈɪstəmz, bˈuːliən dᵻlˈeɪ ᵻkwˈeɪʒənz bˈiːdˈɛs ɑːɹ mˈɑːdəlz wɪð bˈuːliənvˈæljuːd vˈɛɹɪəbəlz ðæt ɪvˈɑːlv ɪn kəntˈɪnjuːəs tˈaɪm.
As a novel type of semi-discrete dynamical systems, Boolean delay equations (BDEs) are models with Boolean-valued variables that evolve in continuous time.