Research Output per year

## Fingerprint Fingerprint is based on mining the text of the persons scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

Lotka-Volterra system
Mathematics

Asymptotic stability
Engineering & Materials Science

Competitive system
Mathematics

Sufficient conditions
Mathematics

Differential equations
Engineering & Materials Science

Coefficient
Mathematics

Linear systems
Engineering & Materials Science

Imply
Mathematics

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Network
Recent external collaboration on country level. Dive into details by clicking on the dots.

## Research Output 1969 2017

### Separated solutions of logistic equation with nonperiodic harvesting

Ahmad, S. & Lazer, A. C. Jan 1 2017 In : Journal of Mathematical Analysis and Applications. 445, 1, p. 710-718 9 p.Research output: Contribution to journal › Article

Logistics

6
Citations

### Global and blow up solutions to cross diffusion systems

Ahmad, S. & Le, D. Aug 1 2015 In : Advances in Nonlinear Analysis. 4, 3, p. 209-219 11 p.Research output: Contribution to journal › Article

Cross-diffusion system

Blow-up of solutions

Blow-up solution

Classical solution

Global existence

2
Citations

### On a property of a generalized Kolmogorov population model

Ahmad, S. & Lazer, A. C. Jan 2013 In : Discrete and Continuous Dynamical Systems- Series A. 33, 1, p. 1-6 6 p.Research output: Contribution to journal › Article

Orbits

### Stability criteria for impulsive kolmogorov-type systems of nonautonomous differential equations

Ahmad, S. & Stamova, I. 2012 In : Rendiconti dell'Istituto di Matematica dell'Universita di Trieste. 44, 1, p. 19-32 14 p.Research output: Contribution to journal › Article

Stability criteria

Kolmogorov system

Uniform asymptotic stability

Uniform stability

Nonautonomous differential equations

### A comparison result for discontinuous lienard systems

Ahmad, S., Granados, B. & Tineo, A. 2011 In : Nonlinear Studies. 18, 4, p. 541-547 7 p.Research output: Contribution to journal › Article

Liénard system

Comparison result

Linear systems

Discontinuous systems

Liénard equation