Mathematics
Backward Bifurcation
39%
Coexistence
32%
Competitive Exclusion
21%
Continuum
13%
Deterministic Model
17%
Endemic Equilibrium
16%
Exceed
27%
Globally Asymptotically Stable
32%
Infection
29%
Influenza
100%
Lyapunov Function
13%
Model
24%
Nonlinear Function
15%
Numerical Simulation
11%
Reproduction number
76%
Volterra
15%
Medicine & Life Sciences
Birds
20%
Infections
18%
Influenza in Birds
92%
Reproduction
72%
Agriculture & Biology
avian influenza
91%
birds
9%
competitive exclusion
19%
deterministic models
21%
infection
15%
simulation models
15%
Engineering & Materials Science
Birds
14%
Computer simulation
6%
Lyapunov functions
12%