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Jeffery Ezearn
The researcher's work focuses on integrating approximation theory across diverse mathematical domains such as Divisible Groups, Fixed Point Theorems, and Matrix Theory, with a particular emphasis on techniques like approximation and operator norms within finite-dimensional spaces. This interdisciplinary approach is driven by applications in physical sciences contexts.
Faculty Biography
I am a Lecturer here at the Department of Mathematics, KNUST, where I also obtained my mathematics degrees. I was briefly a Visiting Lecturer at the University of Roehampton, London before joining KNUST. My research interests in mathematics lie primarily in number theory, functional analysis, and convex & discrete geometry, usually concentrated around certain specific areas. I am part of the Algebra and Topology Group here at KNUST, co-organised with Bernard Bainson, and I also organise the semesterly MaTH-Challenge Prize Problems. You can have a look at my papers and preprints. I have, over the past few years, been a Visiting Lecturer at AIMS, Ghana, lecturing variously on number theory, topology and geometry, and functional analysis.(Contact: kindly use the send quick mail link above and I will respond at the earliest). Current teaching (1st Semester, 2024-2025) include: Current research students, KNUST: Some useful (mathematics-related) links
advanced mathematical theories
Approximation Theory and Sequence Spaces
Fixed Point Theorems Analysis
Matrix Theory and Algorithms
A pseudo-euclidean operator norm of linear operators in finite dimensional spaces.
Higher-order Lipschitz mappings
Open AccessAproximations in Divisible Groups: Part I
Open AccessApproximations in Divisible Groups: Part II
Open AccessDepartment of Mathematics
Kwame Nkrumah University of Science and Technology