TY - JOUR ID - Psarros2018 LB - Psarros2018 AU - Psarros, N. AU - Papaschinopoulos, G. AU - Schinas, C. J. TI - On the stability of some systems of exponential difference equations ST - On the stability of some systems of exponential difference equations JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2018 VL - 38 IS - 1 SP - 95 EP - 115 DO - https://doi.org/10.7494/OpMath.2018.38.1.95 UR - https://doi.org/10.7494/OpMath.2018.38.1.95 AB - In this paper we prove the stability of the zero equilibria of two systems of difference equations of exponential type, which are some extensions of an one-dimensional biological model. The stability of these systems is investigated in the special case when one of the eigenvalues is equal to -1 and the other eigenvalue has absolute value less than 1, using centre manifold theory. In addition, we study the existence and uniqueness of positive equilibria, the attractivity and the global asymptotic stability of these equilibria of some related systems of difference equations. KW - difference equations KW - asymptotic behaviour KW - global stability KW - centre manifold KW - biological dynamics SN - 1232-9274 ER -