Mathematics
Lotka-Volterra System
89%
Positive Solution
62%
Nonlinear Diffusion
43%
Coexistence States
28%
Prey-predator System
25%
Prey-predator Model
24%
Positive Cone
24%
Competition Model
24%
Degree Theory
24%
Nonlinear Diffusion Equation
23%
Lotka-Volterra
23%
Multiple Positive Solutions
23%
Bifurcation Theory
21%
Steady-state Solution
20%
Reaction-diffusion System
19%
Population Model
19%
Biology
18%
A Priori Estimates
18%
Diffusion Coefficient
18%
Maximum Principle
18%
Elliptic Equations
17%
Nonexistence
16%
Existence Results
15%
Bifurcation
14%
Unknown
12%
Denote
11%
Coefficient
9%
Class
5%
Engineering & Materials Science
Predator prey systems
25%
Maximum principle
20%
Bifurcation (mathematics)
19%
Population Density
18%
Cones
14%
Nonlinear systems
13%