A-transvections and Witt’s theorem in symplectic A-modules
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Authors
Ntumba, Patrice P.
Anyaegbunam, Adaeze Christiana
Journal Title
Journal ISSN
Volume Title
Publisher
Springer
Abstract
Building on prior joint work by Mallios and Ntumba, we study
transvections (J. Dieudonn´e), a theme already important from the classical
theory, in the realm of Abstract Geometric Algebra, referring herewith
to symplectic A-modules. A characterization of A-transvections, in terms
of A-hyperplanes (Theorem 1.4), is given together with the associated
matrix definition (Corollary 1.5). By taking the domain of coefficients A
to be a PID-algebra sheaf, we also consider the analogue of a form of the
classical Witt’s extension theorem, concerning A-symplectomorphisms
defined on appropriate Lagrangian sub-A-modules (Theorem 2.3 and
2.4).
Description
Keywords
A-homothecy, A-hyperplane, A-transvection, A-transvection of classical type, Transvection matrix, Symplectic A-module, PID-algebra sheaf, Orthogonally convenient pairing
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Citation
Ntumba, PP & Anyaegbunam, AC 2011, 'A-transvections and Witt’s theorem in symplectic A-modules', Mediterranean Journal of Mathematics, doi:10.1007/s00009-010-0102-8. [http://www.springer.com/birkhauser/mathematics/journal/9]