The study of operators in Hilbert spaces holds significant importance, finding broad applications in diverse fields such as computer programming, financial mathematics and quantum physics. Many authors have extended normal ...

The study of unitary quasi-equivalence was pioneered by Othman in 1996. Two operators, de- noted as F and K, both bounded and linearly defined on a Hilbert space H, are considered unitary quasi-equivalent if there exists ...

Fingerprints are the most reliable biometric tools for individual identification. However, there is inconsistent information on association between gender, ethnicity and familial relationship status with fingerprint patterns. ...

The Government of Kenya has made great attempts at fighting corruption. However, document fraud and manipulation are still rampant. This study aimed to determine the profile of the ink of blue and black ballpoint pens ...

This study navigates the intricate landscape of credit ratings and their impact on financial markets, particularly during the 2007-2009 financial crisis. It conducts a comprehensive review of research on credit ratings, ...

In recent years, construction sector has been under increasing pressure to adopt sustainable practices to mitigate environmental impacts. One promising avenue is utilization of biodegradable composite materials, which offer ...

Corporate governance practices adopted by principals play a key role in achievement of educational and curriculum objectives. However, in many public secondary schools in Kirinyaga County, realization of educational goals ...

Over the years, corporate social responsibility (CSR) has evolved from a practice adopted by a limited number of companies to a global phenomenon. Today, CSR is widely recognized as a company's responsibility to its diverse ...

The study aimed at evaluating the influence of opinion leaders in interpersonal communication on alcohol consumption among students in government tertiary colleges in Kenya. The study was anchored on the two-step flow of ...

Escherichia coli (E.coli) contamination is a worldwide issue and comprehending its behaviour plays a part in tackling global concerns and attainment of sustainable development goals(SDG6) . SDG6 on clean water and sanitation ...