We obtained sufficient conditions for the oscillation of all positive solutions of the system N ̇i(t)=Niai- ∑ j=1 mbijNj(t-τ), i = 1, 2, ..., m about its steady state. We also obtained sufficient conditions for the existence of a nonoscillatory solution of this system. © 1990
In this article, we investigate oscillatory nature of all solutions of a class of delay dynamic equa...
AbstractSufficient conditions are obtained for a Lotka-Volterra system of the form dxi(t)dt = xi(t)b...
AbstractA new criterion is established for the existence of positive periodic solutions to the follo...
We obtained sufficient conditions for the oscillation of all positive solutions of the system N ̇i(t...
AbstractWe obtained sufficient conditions for the oscillation of all positive solutions of the syste...
AbstractWe obtained sufficient conditions for the oscillation of all positive solutions of the syste...
For a delay difference equation N( n+1 )−N( n )=N( n ) ...
For a delay difference equation N(n + 1) − N(n) = N(n)∑mk=1 ak(n)(1 − N(gk(n))/K), ak(n) ≥ 0, gk(n...
AbstractFor a scalar delay logistic equationẏ(t)=y(t)∑k=1mrk(t)1−y(hk(t))K,hk(t)⩽t,a connection bet...
For a delay difference equation N(n + 1) − N(n) = N(n)∑mk=1 ak(n)(1 − N(gk(n))/K), ak(n) ≥ 0, gk(n...
AbstractSufficient conditions for the existence of nonoscillatory solutions to the delay logistic eq...
AbstractSufficient conditions are obtained for the global attractivity of a positive periodic soluti...
AbstractFor a scalar delay logistic equationẏt=yt∑k=1mrkt1−yhktK,hkt≤t,the oscillation properties a...
AbstractSufficient conditions are obtained for a Lotka-Volterra system of the form dxi(t)dt = xi(t)b...
AbstractFor a scalar delay generalized logistic equationẏt=∑k=1mrktyt1−yhktK1−yhktKαk−1explicit osc...
In this article, we investigate oscillatory nature of all solutions of a class of delay dynamic equa...
AbstractSufficient conditions are obtained for a Lotka-Volterra system of the form dxi(t)dt = xi(t)b...
AbstractA new criterion is established for the existence of positive periodic solutions to the follo...
We obtained sufficient conditions for the oscillation of all positive solutions of the system N ̇i(t...
AbstractWe obtained sufficient conditions for the oscillation of all positive solutions of the syste...
AbstractWe obtained sufficient conditions for the oscillation of all positive solutions of the syste...
For a delay difference equation N( n+1 )−N( n )=N( n ) ...
For a delay difference equation N(n + 1) − N(n) = N(n)∑mk=1 ak(n)(1 − N(gk(n))/K), ak(n) ≥ 0, gk(n...
AbstractFor a scalar delay logistic equationẏ(t)=y(t)∑k=1mrk(t)1−y(hk(t))K,hk(t)⩽t,a connection bet...
For a delay difference equation N(n + 1) − N(n) = N(n)∑mk=1 ak(n)(1 − N(gk(n))/K), ak(n) ≥ 0, gk(n...
AbstractSufficient conditions for the existence of nonoscillatory solutions to the delay logistic eq...
AbstractSufficient conditions are obtained for the global attractivity of a positive periodic soluti...
AbstractFor a scalar delay logistic equationẏt=yt∑k=1mrkt1−yhktK,hkt≤t,the oscillation properties a...
AbstractSufficient conditions are obtained for a Lotka-Volterra system of the form dxi(t)dt = xi(t)b...
AbstractFor a scalar delay generalized logistic equationẏt=∑k=1mrktyt1−yhktK1−yhktKαk−1explicit osc...
In this article, we investigate oscillatory nature of all solutions of a class of delay dynamic equa...
AbstractSufficient conditions are obtained for a Lotka-Volterra system of the form dxi(t)dt = xi(t)b...
AbstractA new criterion is established for the existence of positive periodic solutions to the follo...