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The concept of hyperconvexity in metric spaces was introduced by Aronszajn and Panichpakdi in 1956. This concept was then generalised to the framework of quasi-metric spaces by John Isbell in 1964, which he called Isbell convexity. In 2019, Yi git and Efe generalised this concept of...

The Government of the Republic of Zambia has been implementing a number of rural development programs through agricultural strategies but statistics indicate that there is serious rural-urban divide in terms of poverty levels. This poses a suspicion that planning approaches and interventions in...

This study investigates selected aspects of the population biology of Tylochromis bangwelensis that included: reproductive biology, growth and mortality in Bangweulu Lakes and Swamps Complex Fishery. The main objective was to determine if stocks of the species are under or over exploited in the...

Community participation in solid waste management is currently seen as a determinant of successful solid waste management. Cases of failed solid waste management are common in areas where waste management is regarded as a responsibility of local authorities while the community remains...

Aquaculture site selection involves the identification of areas that are economically, socially, and environmentally suitable and available for fish farming. Site selection using conventional method is rather inefficient because it is slow, financially costly and it covers a very small area. Due...

Some informal settlement dwellers use candles and kerosene for lighting. However, kerosene and candles are hazardous to health and property. Burning candles and kerosene in indoor emits toxic carbon monoxide (CO), nitrogen oxide (NOx) and sulfur dioxide (SO2). The aim of the study was to...

A commutatively ordered Banach algebra (COBA) is a complex unital Banach algebra A containing a subset C, called an algebra c-cone, such that C contains the unit of A and is closed under addition, positive scalar multiplication and multiplication by commuting positive elements. If the...

The aviation industry is one of the fastest growing sources of greenhouse gases (GHGs) emissions and accounts for about two percent of the global GHGs emissions. This study therefore endeavoured to assess on how a low carbon aviation industry could be enhanced in Zambia. Thus the study estimated...

Most peanut butter brands on the Zambian market have been reported to contain high levels of aflatoxins (AFs). It is not clear whether these high levels are from the use of contaminated raw peanuts, proliferation during processing or storage. The changes in fungal community and AF levels during...

Woodfuel (charcoal and firewood) is a crucial component of the energy supply chain in sub-Saharan Africa with over 80 percent of the population depending on it as their primary energy source (Sepp, 2008; Njenga, et. el., 2013). In Zambia, it accounts for more than 70 percent of total energy...