Shair Ahmad

发表

A Textbook on Ordinary Differential Equations

A. Ambrosetti, Shair Ahmad, 2014 .

On almost periodic processes in impulsive competitive systems with delay and impulsive perturbations

Shair Ahmad, G. Stamov, 2009 .

Global and blow up solutions to cross diffusion systems

Shair Ahmad, D. Le, 2015 .

Almost necessary and sufficient conditions for survival of species

Ivanka M. Stamova, Shair Ahmad, I. Stamova, 2004 .

Global exponential stability for impulsive cellular neural networks with time-varying delays

Ivanka M. Stamova, Shair Ahmad, I. Stamova, 2008 .

One species extinction in an autonomous competition model

Alan C. Lazer, Shair Ahmad, A. Lazer, 1996 .

Extinction in nonautonomous T-periodic competitive Lotka-Volterra system

Shair Ahmad, F. M. D. Oca, 1998 .

Extinction of species in nonautonomous Lotka-Volterra systems

Shair Ahmad, Shair Ahmad, 1999 .

On the nonautonomous Volterra-Lotka competition equations

Shair Ahmad, Shair Ahmad, 1993 .

On the oscillatory behavior of a class of linear third order differential equations

Shair Ahmad, A. Lazer, 1969 .

An existence theorem for periodically perturbed conservative systems.

Shair Ahmad, 1974 .

ELEMENTARY CRITICAL POINT THEORY AND PERTURBATIONS OF ELLIPTIC BOUNDARY VALUE PROBLEMS AT RESONANCE.

J. L. Paul, Shair Ahmad, A. Lazer, 1976 .

A resonance problem in which the nonlinearity may grow linearly

Shair Ahmad, 1984 .

Multiple nontrivial solutions of resonant and nonresonant asymptotically linear problems

Shair Ahmad, 1986 .

Comparison results of reaction-diffusion equations with delay in abstract cones

Shair Ahmad, A. Vatsala, 1981 .

Survival and extinction in competitive systems

Shair Ahmad, I. Stamova, 2008 .

Asymptotic stability of an N-dimensional impulsive competitive system

Ivanka M. Stamova, Shair Ahmad, I. Stamova, 2007 .

Average growth and total permanence in a competitive Lotka-Volterra System

Shair Ahmad, A. Lazer, 2006 .

On nth-order Sturmian theory

Shair Ahmad, A. Lazer, 1980 .

A nonstandard resonance problem for ordinary differential equations

Shair Ahmad, 1991 .

Asymptotic stability of competitive systems with delays and impulsive perturbations

Ivanka M. Stamova, Shair Ahmad, I. Stamova, 2007 .

Revisiting Roots of Real Numbers.

Shair Ahmad, 2018 .

Asymptotic properties of linear fourth order differential equations

Shair Ahmad, 1976 .

Three-dimensional population systems

Shair Ahmad, A. Tineo, 2008 .

Oscillation criteria for second-order differential systems

C. Travis, Shair Ahmad, 1978 .

An elementary approach to traveling front solutions to a system of N competition-diffusion equations

Shair Ahmad, A. Lazer, 1991 .

On Sturmian theory for second order systems

Shair Ahmad, 1983 .

A new generalization of the Sturm comparison theorem to selfadjoint systems

Shair Ahmad, A. Lazer, 1978 .

Conjugate points and second order systems

Shair Ahmad, J. Salazar, 1981 .

An N-Dimensional Extension of the Sturm Separation and Comparison Theory to a Class of Nonselfadjoint Systems

Shair Ahmad, A. Lazer, 1978 .

On the Components of Extremal Solutions of Second Order Systems

Shair Ahmad, A. Lazer, 1977 .

On an extension of Sturm's comparison theorem to a class of nonselfadjoint second-order systems

Shair Ahmad, A. Lazer, 1980 .

POSITIVE OPERATORS AND STURMIAN THEORY OF NONSELFADJOINT SECOND-ORDER SYSTEMS

Shair Ahmad, A. Lazer, 1978 .

Component properties of second order linear systems

Shair Ahmad, A. Lazer, 1976 .

On the oscillation of solutions of a class of linear fourth order differential equations

Shair Ahmad, 1970 .

On an Extension of the Sturm Comparison Theorem

Shair Ahmad, A. Lazer, 1981 .

Necessary and sufficient average growth in a Lotka-Volterra system

Shair Ahmad, A. Lazer, 1998 .

Cycle structure of automorphisms of finite cyclic groups

Shair Ahmad, Shair Ahmad, 1969 .

Higher order linear equations

A. Ambrosetti, Shair Ahmad, 2014 .

On tridiagonal predator–prey systems and a conjecture

Antonio Tineo, Shair Ahmad, Shair Ahmad, 2010 .

Stability of Volterra diffusion equations with time delays

Shair Ahmad, M. Rao, 1998 .

Dynamical systems of characteristic 0

Shair Ahmad, 1970 .

Flows of characteristic O

Shair Ahmad, 1971 .

Asymptotic behaviour of solutions of periodic competition diffusion system

Shair Ahmad, A. Lazer, 1989 .