Supported by the National Natural Science Foundation of China (No.10371037), and by Chinese Academy Scicnces (KZCX2-SW-118)
Duffing equation with fifth nonlinear-restoring force, one external forcing and a phase shift is investigated, The conditions of existences for primary resonance, second-order, third-order subharmonics, morder subharm...
Supported by Chinese Academy Sciences (KZCX2-SW-118);by the National Natural Science Foundation of China (No. 10371037).
A discrete predator-prey system with Holling type-IV functional responseobtained by the Euler method is first investigated. The conditions of existence for foldbifurcation, flip bifurcation and Hopf bifurcation are de...