3 papers
math.OC2022
An Epidemic Compartment Model for Economic Policy Directions for Managing Future Pandemic
Zachariah Sinkala, Vajira Manathunga, Bichaka Fayissa
In this research, we develop a framework to analyze the interaction between the economy and the Covid-19 pandemic using an extension of SIR epidemic model. At the outset, we assume…
math.GT2022
The coefficients of the Jones polynomial
Vajira Manathunga
It has been known that, the coefficients of the series expansion of the Jones polynomial evaluated at are rational valued Vassiliev invariants . In this article, we calculate…
q-fin.MF2021
An Alternative Approach to Evaluate American Options Price Using HJM Approach
Kushantha Fernando, Vajira Manathunga
Developments in finance industry and academic research has led to innovative financial products. This paper presents an alternative approach to price American options. Our approach…