Jagath Wijerathna

Jagath Wijerathna
University of Colombo · Department of Mathematics

About

10
Publications
4,874
Reads
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24
Citations
Citations since 2016
5 Research Items
21 Citations
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468

Publications

Publications (10)
Article
The water-in-glass evacuated collectors are made up of parallel circular tubes. They are installed with some inclination angle to the horizontal. The thermal performance of water-in-glass evacuated tube solar water heater heavily depends on weather conditions. The analysis of the sensitivity of the model parameter and weather conditions on heat tra...
Article
Full-text available
The water-in-glass evacuated collectors are made up of parallel circular tubes. They are installed with some inclination angle to the horizontal. The thermal performance of water-in-glass evacuated tube solar water heater heavily depends on weather conditions. The analysis of the sensitivity of the model parameter and weather conditions on heat tra...
Article
Space exploration is a mechanism whereby, with the use of astronomy and space technology, humans are able to explore outer space and the universe at large. In this article, the authors address space debris issues with a discussion of future space law issues along with a brief elaboration of how the adaptation took place for space debris mitigation...
Article
Full-text available
Various quantum walk-based algorithms have been developed, aiming to distinguish non-isomorphic graphs with polynomial scaling, within both the discrete-time quantum walk (DTQW) and continuous-time quantum walk (CTQW) frameworks. Whilst both the single-particle DTQW and CTQW have failed to distinguish non-isomorphic strongly regular graph families...
Article
Full-text available
In this paper we present a lemma, which helps us to establish a link between the distribution of success probabilities from quantum walk based search and the symmetries of the underlying graphs. With the aid of the lemma, we identified certain graph structures of which the quantum walk based search provides high success probabilities at the marked...
Article
Full-text available
During the 2011 dengue outbreak, health care providers in Colombo, Sri Lanka noticed a slow rise in platelet counts in patients recovering from dengue fever when compared to the 2010 outbreak. This study was carried out to confirm this observation. The platelet recovery rates of two groups of patients from 2010 and 2011 (n=28 and n=25 respectively)...
Article
The need for debris mitigation is illustrated in the context of historic launch activates and operational practices. This has led to the existing space debris environment, with consequent collision flux levels that are based on detailed population and evolution models. Therefore mitigation of space debris has become a major concern for us humans la...

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