CURRICULUM VITA

Shair Ahmad
Professor of Mathematics
The University of Texas at San Antonio
Office: 210-458-4758
E-Mail: sahmad@utsa.edu

EDUCATION

B.S. (Math), University of Utah, June, 1960
M.S. (Math), University of Utah, June, 1962
Ph.D. (Math), Case Western Reserve University, January, 1968.

PROFESSIONAL EXPERIENCE

Professor, Mathematics University of Texas at San Antonio               

1995 – Present

Head, Mathematics and Statistics Department Mississippi State University

January – May, 1999

Director, Mathematics Computer Science, Statistics University of Texas at San Antonio               

1989 – 1995

Chair, Department of Mathematics and Computer Sciences University of Miami

1987 – 1989

Dean of Arts and Sciences University of West Florida

1986 – 1987

Chair, Department of Mathematics and Computer Science University of Miami

1980 – 1986

Chair, Department of Mathematics Oklahoma State University

1978 – 1980

Professor, Department of Mathematics Oklahoma State University

1975 – 1978

Associate Professor Oklahoma State University

1970 – 1975

Assistant Professor Oklahoma State University

1968 – 1970

Instructor Case Western Reserve University

1966 – 1968

Assistant Professor University of North Dakota

1965 – 1966

Instructor South Dakota State University

1962 – 1964

SERVING ON EDITORIAL BOARDS OF

Advanced Nonlinear Studies (Managing Editor)
Nonlinear Analysis-Theory, Methods & applications
Nonlinear Analysis-RWA
Dynamic Systems and Applications
Dynamics of Continuous, Discrete and Impulsive Systems, Ser.A
Global J. Math. And Math. Sc. (GJMMS)
International J. Pure and Applied Math. Sc. (IJPAMS)
Journal of Contemporary Mathematics (new)

PUBLICATIONS

S. Ahmad, A.C. Lazer, and A. Tineo, Traveling waves for a system, to appear In Nonlinear Analysis.
S. Ahmad, A. Tineo, Three-dimensional population systems, to appear in Non-linear Analysis -RWA.
S. Ahmad and I. Stamova, Asymptotic stability of an N-dimensional impulsive competitive systems, Nonlinear Analysis- RWA 8 (2007).
S. Ahmad and I. Stamova, Survival and extinction in competitive systems, to appear in Nonlinear Analysis-RWA.
S. Ahmad and A.C. Lazer, Average growth and total permanence, Annali di Matematica Pura ed Applicata 185, S47-S67 (2006).
S. Ahmad and I. Stamova, Partial persistence and survival in N-dimensional competitive systems, Nonlinear Analysis- 60 (2005).
S. Ahmad and A.C. Lazer, Average growth and extinction in a competitive Lotka-Volterra System, Nonlinear Analysis 62 (2005).
S. Ahmad and I. Stamova, Almost necessary and sufficient conditions for survival of Species, Nonlinear Analysis-Real World Applications 5 ( 2004).
S. Ahmad and A.C. Lazer, On persistence and extinction of species, Summer School on Mathematical Biology, Centro Internacionale de Matematica 20, Portugal (2002).
S. Ahmad and F.M. de Oca, Average growth and extinction in a two dimensional Lotka-Volterra system, Dynamics of Continuous, Discrete, and Impulsive Systems 9 No.2 (2002).
S. Ahmad and A.C. Lazer, Average conditions for global asymptotic stability in a nonautonomous Lotka-Volterra system, Nonlinear Analysis 40 (2000).
S. Ahmad, Extinction of species in nonautonomous Lotka-Volterra systems, Proc. Amer. Math. Soc 127 No.10 (1999).
S. Ahmad and M. R. M. Rao, Ordinary Differential Equations (book), Affiliated East-West Press PVT, Ltd., India (1999).
S. Ahmad and A.C. Lazer, On a property of nonautonomous Lotka-Volterra competition model, Nonlinear Analysis 37 (1999).
__________. Necessary and sufficient average growth in a Lotka-Volterra system, Nonlinear Analysis 34 (1998).
S. Ahmad and F. M. de Oca, Extinction in nonantonomous T-periodic competitive Lotka-Volterra systems, Applied Mathematics and Computation 90 (1998).
S. Ahmad and M.R.M. Rao, Stability of Volterra diffusion equations with time delay to appear in Applied Mathematics and Computations 90 (1998).
S. Ahmad and A. Tineo, Almost periodic solutions of second order systems Applicable Analysis 63 (1996).
S. Ahmad and A.C. Lazer, One species extinction in an autonomous competition model, Proceedings of The First World Congress on Nonlinear Analysis, Walter de Gruyter, Berlin, 1996.
Proceedings of Dynamic Systems and Applications, Vol. 2, Dynamic Publishers Inc., 1996 (member of editorial committee).
S. Ahmad and A. C. Lazer, On the nonautonomous N-competing species problem, Applicable Analysis 57 (1995).
S. Ahmad and M. R. M. Rao, Asymptotically periodic solutions of N-competing species problem with time delay, J. of Math. Anal. and Appl., 186 No. 2 (1994).
__________, Stability criteria for N-competing species problem with time delays, Nonlinear World 1 (1994).
S. Ahmad, On the nonautonomous Volterra - Lotka competition equations, Proc. of the AMS 117, No. 1 (1993).
__________, A nonstandard resonance problem for ODE, Trans. of the AMS 323, No. 2 (1991).
S. Ahmad and A. C. Lazer, An elementary approach to traveling front solutions to a system of N competition - diffusion equations, J. of Nonlinear Analysis 16 No. 10 (1991).
__________, The No Retraction Theorem and comparison of focal points of second-order nonselfadjoint systems, Revista de Matematicas Aplicadas No. 11 (1990).
__________, Asymptotic behavior of solutions of periodic competition diffusion systems, J. of Nonlinear Analysis 13, No. 3 (1989).
S. Ahmad, On almost periodic solutions of the competing species problems, Proc. of the AMS, 102 No. 4 (1988).
__________, Convergence and ultimate bounds of solutions of nonautonomous Volterra-Lotka competition equations, J. of Math. Anal. and Appl., 127, No. 2 (1987).
__________, Multiple nontrivial solutions of resonant and nonresonant asymptotically linear problems, Proc. of the AMS 96, No. 3 (1986).
__________, Nonselfadjoint resonance problems with unbounded perturbations, J. of Nonlinear Analysis 10, No. 2 (1986). (Also published as a technical report, Sonderforschungsbereich 72, University of Bonn).
__________, A resonance problem in which nonlinearity may grow linearly, Proc. of the AMS 92, No. 3 (1984).
S. Ahmad and A. C. Lazer, Critical point theory and a theorem of Amaral and Pera, Boll. U. M. I. 6 3-B (1984).
S. Ahmad and F. M. de Oca, Nonconstant periodic solutions of second order autonomous systems, Proceedings of the Vth International Conference on Trends in Theory and Practice on Nonlinear Differential Equations, Marcel Dekker, Inc. (1983).
__________, On existence of nonconstant periodic solutions I, J. of Nonlinear Analysis 7, No. 11 (1983).
S. Ahmad, On existence of nonconstant periodic solutions II, J. of Nonlinear Analysis 7, No. 11 (1983).
__________, On Sturmian theory for second order systems, Proc. of the AMS 87, No. 4 (1983).
S. Ahmad and A. C. Lazer, On an extension of Sturm’s Comparison Theorem, SIAM J. of Math. Anal. 12, No. 1 (1981).
S. Ahmad and A. S. Vatsala, Comparison results or reaction-diffusion equations with delay in abstract cones, Rend. Sem. Math. Univ. Padova 65 (1981).
S. Ahmad and J. Salazar, Conjugate points and second order systems, J. of Math. Anal. and Appl. 84, No. 1 (1981).
__________, On existence of periodic solutions of nonlinearly perturbed conservative systems, Proc. of the Eighth Fall Conference on Differential Equations, Academic Press (1980).
S. Ahmad and A. C. Lazer, On nth order Sturmian theory, J. of Differential Equations 35, No. 1 (1980).
S. Ahmad, M. S. Keener and A. C. Lazer, eds., Proc. of the Eighth Fall Conference on Differential Equations, Academic Press (1980).
S. Ahmad and A. C. Lazer, On the role of Hopf’s Maximum Principle in elliptic Sturmian theory, Houston J. of Math. 5, No. 2 (1979).
S. Ahmad, On positivity of solutions and conjugate points of nonselfadjoint systems, Bull. de l’Academie Polonaise des Sciences, XXVII, No. 1 (1970).
S. Ahmad and A. C. Lazer, A new generalization of the Sturm comparison theorem to selfadjoint systems, Proc. of the AMS 68, No. 2 (1978).
S. Ahmad and C. Travis, Oscillation criteria for second-order differential systems, Proc. of the AMS 71, No. 2 (1978).
S. Ahmad and J. Sarabia, On nonwandering continuous flows, Funck. Ekvac. 21, No. 3 (1978).
S. Ahmad and A. C. Lazer, An N-dimensional extension of the Sturm Separation and Comparison theorems to a class of nonselfadjoint systems, SIAM J. of Math. Anal. 9, No. 6 (1978).
__________, Positive operators and Sturmian theory of nonselfadjoint second-order systems, Nonlinear Equations in Abstract Spaces, Academic Press (1978).
__________, On the components of extremal solutions of second-order systems, SIAM J. of Math. Anal., 8, No. 1 (1977).
S. Ahmad, Asymptotic properties of linear fourth order differential equations, Proc. of the AMS 59, No. 1 (1976).
S. Ahmad, A. C. Lazer and J. L. Paul, Elementary critical point theory and perturbations of elliptic boundary value problems at resonance, Indiana Univ. Math. J. 25, No. 10 (1976).
S. Ahmad and A. C. Lazer, Component properties of second order linear systems, Bull. of the AMS, 82, No. 2 (1976).
S. Ahmad and Abdelali Benharbit, Some oscillation properties of third order linear homogeneous differential equations, Annal. Polon. Math. 31 (1975).
S. Ahmad, Oscillation properties of third order linear differential equations and their adjoints, J. of Math. and Phys. Sci. 8, No. 3 (1974).
__________, Periodically perturbed conservative systems, Bull. of the AMS 80, No. 1 (1974).
__________, An existence theorem for periodically perturbed conservative systems, Mich. Math. J., 20 (1973).
__________, Strong attraction and classification of certain continuous flows, Lecture Notes in Math., Springer-Verlang 5, No. 2 (1971).
__________, Flows of Characteristic O+, Math. Systems Th. 5, No. 1 (197
__________, Dynamical systems of characteristic O+, Pac. Math. J. 32, No. 3 (1970).
__________, On the oscillation of solutions of a class of linear fourth order differential equations, Pac. Math. J. 34, No. 2 (1970).
__________, Split dilations of finite groups with applications to finite fields, Duke Math. J., 38, No. 3 (1970).
__________, On Ura’s axioms and local dynamical systems, Funck. Ekvac. 12, No. 2 (1969).
S. Ahmad and A. C. Lazer, On the oscillatory behavior of a class of linear third order differential equations, J. of Math. Anal. and Appl. 28, No. 3 (1969).
S. Ahmad, Cycle structure of finite cyclic groups, Combinatorial Theory 6, No. 4 (1969).
__________, Absolute independency axioms for the derived set operator, Amer. Math. Monthly 73, No. 4 (1966).
__________, The Kuratowski closure axioms, Math. Magazine 37, No. 5 (1964).