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Difference algebraic geometry: Morphisms of difference schemes with an exceptional property.
King, Rachael Ann (Queen Mary University of London, 2021)In this thesis we generalise the theory of exceptional covers of varieties to the context of difference algebraic geometry. We formulate the notion of difference exceptional covers and prove a difference exceptionality ... -
A Categorical View of Difference-Differential Algebra
Iannazzo, A (2023)We approach differential algebra and differential algebraic geometry from the point of view of topos theory and categorical logic, following the initial steps made by Keigher and Bunge in the early 80s. We consider the ... -
ALGEBRAS AND HOPF-ALGEBRAS IN BRAIDED CATEGORIES
MAJID, S (1994)