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(Stellenbosch : Stellenbosch University, 2003-04)ENGLISH ABSTRACT: Let A and B be unital complex Banach algebras with identities 1 and I' respectively. A linear map T : A -+ B is invertibility preserving if Tx is invertible in B for every invertible x E A. We say that ...
(Stellenbosch : University of Stellenbosch, 2005-12)The surface of a 3D model may be digitally represented as a collection of flat polygons in R3. The collection is known as a polygonal mesh. This representation method has become standard in computer graphics.