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Browsing Mathematics (Faculty of) by Supervisor "Karigiannis, Spiro"
Now showing items 1-5 of 5
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Deformation theory of nearly G₂-structures and nearly G₂ instantons
(University of Waterloo, 2021-08-30)We study two different deformation theory problems on manifolds with a nearly G₂-structure. The first involves studying the deformation theory of nearly G₂ manifolds. These are seven dimensional manifolds admitting real ... -
Derived Geometry and the Integrability Problem for G-Structures
(University of Waterloo, 2017-08-24)In this thesis, we study the integrability problem for G-structures. Broadly speaking, this is the problem of determining topological obstructions to the existence of principal G-subbundles of the frame bundle of a manifold, ... -
Differential Operators on Manifolds with G2-Structure
(University of Waterloo, 2020-12-16)In this thesis, we study differential operators on manifolds with torsion-free G2-structure. In particular, we use an identification of the spinor bundle S of such a manifold M with the bundle R ⊕ T*M to reframe statements ... -
Topics in G₂ geometry and geometric flows
(University of Waterloo, 2020-05-15)We study three different problems in this thesis, all related to G₂ structures and geometric flows. In the first problem we study hypersurfaces in a nearly G₂ manifold. We define various quantities associated to such a ... -
Weak Moment Maps in Multisymplectic Geometry
(University of Waterloo, 2018-07-04)We introduce the notion of a weak (homotopy) moment map associated to a Lie group action on a multisymplectic manifold. We show that the existence/uniqueness theory governing these maps is a direct generalization from ...