Professional Interests
statistics
financial and actuarial mathematics

Education
B.Sc. (Hons,Maths), University of Sri Lanka,Colombo,1964.
Diploma in Statistics, University of Manchester, U.K,1966.
Ph.D., University of Manchester,U.K,1970.
Associate of the Institute of Actuaries (A.I.A), 1975.
Associate of the Institute of Actuaries of Australia (A.I.A.A), 1985.

Previous Academic Appointments
Institute of Mathematical Statistics (IMS) member.
Previous Academic Positions
University of Michigan
University of Iowa
University of Georgia
Brigham Young University
Griffith University, Australia
University of Singapore
University of Sri Lanka

Selected Publications
Billard, L., Dayananda, P. and Zhao, Z., Epidemics of Plant Diseases: A Stochastic Model of Leaf and Stem lesion growth, In Epidemic Models (ed.D.Mollison),NATO,Cambridge University Press (1994).

Dayananda, P., Optimal Reinsurance, J.Appl. Prob. ,7, 134-156 (1970).

Dayananda, P., Optimal reinsurance with several portfolios, Skand. Aktuartidskr,56,13-24 (1973).

Dayananda, P., Approximate chain-binomial model for simple epidemics, Biometrics, 30,705-708 (1974).

Dayananda, P., and Hogarth, W. L., Optimal health programs of immunizations and isolation for some approximations to chain-binomial epidemic models, Math. BioScieneces,41,241-251 (1978).

Dayananda, P. and Billard, L., A drug addiction model, J.Appl.Prob. , 25 ,649-662 (1988).

Dayananda, P., Billard, L. and Chakraborty, S., Estimation of rate parameter and its relationship with latent and infections periods in plant disease epidemics, Biometrics, 51, 284-292 (1995).

Adiku, S.G.K., Dayananda, P.W.A., Rose, C.W. and Dowuona, G.N.N., An analysis of within-season rainfall characteristics and simulation of daily rainfall in two savanna zones in Ghana, Agricultural and Forest Meteorology, 86, 51-62 (1997).

Billard, L., Dayananda, P. and Elms.S., Assessment of plant stress due to the presence of disease, Biometrics, 54, 297-307 (1998).

Dayananda, P., Evaluation of Life Insurance Functions for AIDS Risk Groups, Australian Actuarial Journal, 4, 97-108 (2000).

Dayananda, P., Executive Stock Options: Valuation based on targeted performance, North American Actuarial Journal, 4, 1, 20-30 (2000).
 
Dayananda, P., Taylor, J.M.G., & Whiting, D.G. , Prostate cancer:  progression of prostate-specific antigen after external beam irradiation; Mathematical Biosciences 182 127-134 (2003).