Results 1 to 10 of about 168,902 (328)

Differential Bundles in Commutative Algebra and Algebraic Geometry

open access: greenTheory and Applications of Categories, 2023
In this paper, we explain how the abstract notion of a differential bundle in a tangent category provides a new way of thinking about the category of modules over a commutative ring and its opposite category.
G. S. H. Cruttwell   +1 more
semanticscholar   +6 more sources

Poisson algebras via model theory and differential-algebraic geometry [PDF]

open access: yesJournal of the European Mathematical Society, 2017
Brown and Gordon asked whether the Poisson Dixmier–Moeglin equivalence holds for any complex affine Poisson algebra, that is, whether the sets of Poisson rational ideals, Poisson primitive ideals, and Poisson locally closed ideals coincide.
Bell, Jason   +3 more
core   +8 more sources

Bertini theorems for differential algebraic geometry [PDF]

open access: greenProceedings of the American Mathematical Society, 2016
We study intersection theory for differential algebraic varieties. Particularly, we study families of differential hypersurface sections of arbitrary affine differential algebraic varieties over a differential field. We prove the differential analogue of
James Freitag
semanticscholar   +6 more sources

Algebraic geometry and local differential geometry [PDF]

open access: bronzeAnnales scientifiques de l'École normale supérieure, 1979
Phillip Griffiths, Joseph Harris
semanticscholar   +4 more sources

Abelian reduction in differential-algebraic and bimeromorphic geometry [PDF]

open access: greenAnnales de l'Institut Fourier, 2022
A new tool for the model theory of differentially closed fields and of compact complex manifolds is here developed. In such settings, it is shown that a type internal to the field of constants (resp.
Rémi Jaoui, Rahim Moosa
openalex   +3 more sources

Embedding Method by Real Numerical Algebraic Geometry for Structurally Unamenable Differential-Algebraic Equations [PDF]

open access: greenJournal of Systems Science and Complexity, 2021
Existing structural analysis methods may fail to find all hidden constraints for a system of differential-algebraic equations with parameters if the system is structurally unamenable for certain values of the parameters.
Wenqiang Yang, Wenyuan Wu, Greg Reid
openalex   +2 more sources

Regularising Transformations for Complex Differential Equations with Movable Algebraic Singularities [PDF]

open access: yesMathematical physics, analysis and geometry, 2022
In a 1979 paper, Okamoto introduced the space of initial values for the six Painlevé equations and their associated Hamiltonian systems, showing that these define regular initial value problems at every point of an augmented phase space, a rational ...
T. Kecker, G. Filipuk
semanticscholar   +2 more sources

The fundamental theorem of tropical partial differential algebraic geometry [PDF]

open access: yesInternational Symposium on Symbolic and Algebraic Computation, 2020
Tropical Differential Algebraic Geometry considers difficult or even intractable problems in Differential Equations and tries to extract information on their solutions from a restricted structure of the input.
Sebastian Falkensteiner   +5 more
semanticscholar   +1 more source

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