Department of Mathematics and Statistics at the Faculty of Science
University of Calgary
Kok Wah Chang
- Retired Professor
- +1 (403) 220-7225
Research Interests
Currently Teaching
Not currently teaching any courses.
Publications
Book
- Chang, Kok Wah and Liu, G. X.. Boundary and angular layer behavior in singularly perturbed quasilinear systems 1. World Sci. Publishing, 1992. 71-81.
- Chang, Kok Wah. Singular perturbations of boundary problems Hemisphere, 1989. 549-555.
- Chang, Kok Wah and Khau{\`e}s, F. . Nelineinye singulyarno vozmushchennye kraevye zadachi ``Mir'', 1988. 248.
- Chang, Kok Wah and Howes, F. A.. Nonlinear singular perturbation phenomena: theory and applications 56. Springer-Verlag, 1984. viii+180.
- Chang, Kok Wah. Diagonalization method in singular perturbations Academic Press, 1975. 164-184.
Journal Paper
- Chang, Kok Wah and Meng, J. . Some singular singularly-perturbed problems. {II} 15.4 1999. 389-400.
- Chang, Kok Wah and Meng, J. . Some singular singularly-perturbed problems. {I} 15.3 1999. 260-271.
- Chang, Kok Wah and Gao, Rui . Perturbations of nonlinear functional equations of neutral type 6.3 1990. 293-300.
- Chang, Kok Wah. Some insights on singular perturbations of boundary value problems 1986. 309-324.
- Chang, Kok Wah and Liu, G. X.. Boundary and angular layer behavior in singularly perturbed semilinear systems 28.2 1985. 174-183.
- Chang, Kok Wah and Lin, Zong . Singular perturbations of {R}obin boundary value problems for semilinear systems 6.9 1985. 775-779.
- Chang, Kok Wah and Lin, Zong . Singular perturbation for a class of semilinear second order systems with perturbation both in boundary and in operator 5.2 1985. 233-241.
- Chang, Kok Wah and Lin, Zong . Singular perturbation of nonlinear boundary value problems 5.5 1984. 603-612.
- Chang, Kok Wah and Liu, G. X.. Boundary and angular layer behavior in singularly perturbed semilinear systems 5.3 1984. 337-344.
- Chang, Kok Wah. Singular perturbations of a boundary problem for a vector second order differential equation 30.1 1976. 42-54.
- Chang, Kok Wah. Stability of almost periodic solutions of an autonomous equation 18.5 1975. 639-641.
- Chang, Kok Wah. Approximate solutions of nonlinear boundary value problems involving a small parameter 26. 1974. 554-567.
- Chang, Kok Wah. Diagonalization method for a vector boundary problem of singular perturbation type 48. 1974. 652-665.
- Chang, Kok Wah. On {C}oddington and {L}evinson's results for a nonlinear boundary value problem involving a small parameter 54. 1973. 536-543 (1974).
- Chang, Kok Wah. Singular perturbations of a general boundary value problem 3. 1972. 520-526.
- Chang, Kok Wah. Perturbations of nonlinear differential equations 34. 1971. 418-428.
- Chang, Kok Wah. Remarks on a certain hypothesis in singular perturbations 23. 1969. 41-45.
- Chang, Kok Wah. Two problems in singular perturbations of differential equations 10. 1969. 33-50.
- Chang, Kok Wah and Coppel, W. A.. Singular perturbations of initial value problems over a finite interval 32. 1969. 268-280.
- Chang, Kok Wah. Almost periodic solutions of singularly perturbed systems of differential equations 4. 1968. 300-307.
- Chang, Kok Wah. A stability result for the linear differential equation {$x\sp{\prime\prime}+f(t)x=0$} 7. 1967. 7-8.
- Chang, Kok Wah. The existence of forced periodic solutions for second order differential equations 46. 1967. 93-98.
- Daykin, D. E. and Chang, Kok Wah. On the stability of a second-order differential equation 5. 1965. 8-16.
Preprint
Degrees
- 1963 - B.Sc. (Honours) - University of Malaya
- 1965 - M.Sc. - University of Malaya
- 1968 - Ph.D. - Australian National University
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