Results 11 to 20 of about 168,902 (328)

The Fundamental Theorem of Tropical Differential Algebraic Geometry [PDF]

open access: yesPacific Journal of Mathematics, 2015
Let $I$ be an ideal of the ring of Laurent polynomials $K[x_1^{\pm1},\ldots,x_n^{\pm1}]$ with coefficients in a real-valued field $(K,v)$. The fundamental theorem of tropical algebraic geometry states the equality $\text{trop}(V(I))=V(\text{trop}(I ...
F. Aroca   +2 more
semanticscholar   +4 more sources

On the Relationship Between Differential Algebra and Tropical Differential Algebraic Geometry [PDF]

open access: green, 2021
This paper presents the relationship between differential algebra and tropical differential algebraic geometry, mostly focusing on the existence problem of formal power series solutions for systems of polynomial ODE and PDE. Moreover, it improves an approximation theorem involved in the proof of the fundamental theorem of tropical differential ...
François Boulier   +3 more
openalex   +5 more sources

Nonassociative algebras: a framework for differential geometry [PDF]

open access: goldInternational Journal of Mathematics and Mathematical Sciences, 2003
A nonassociative algebra endowed with a Lie bracket, called a torsion algebra, is viewed as an algebraic analog of a manifold with an affine connection. Its elements are interpreted as vector fields and its multiplication is interpreted as a connection. This provides a framework for differential geometry on a formal manifold with a formal connection. A
Lucian M. Ionescu
openalex   +4 more sources

Algebraic characterizations in complex differential geometry [PDF]

open access: bronzeTransactions of the American Mathematical Society, 1935
1. In the treatment of differential geometry from the modern invariantive standpoint it is usually unnecessary that the coordinates and the functions which define the structure of the space under consideration be real quantities. Adopting the more general hypothesis of complex coordinates and structure functions we arrive at the concept of generalized ...
T. Y. Thomas
openalex   +3 more sources

Non-smooth differential geometry and algebras of generalized functions [PDF]

open access: greenJournal of Mathematical Analysis and Applications, 2003
17 pages, typos ...
Michael Kunzinger
openalex   +4 more sources

Graded differential geometry of graded matrix algebras [PDF]

open access: greenJournal of Mathematical Physics, 1999
We study the graded derivation-based noncommutative differential geometry of the Z2-graded algebra M(n|m) of complex (n+m)×(n+m)-matrices with the “usual block matrix grading” (for n≠m). Beside the (infinite-dimensional) algebra of graded forms, the graded Cartan calculus, graded symplectic structure, graded vector bundles, graded connections and ...
H. Grosse, G. Reiter
openalex   +4 more sources

C*algebras and differential geometry [PDF]

open access: green, 2001
Translated Comptes Rendus Note of March ...
Alain Connes
openalex   +3 more sources

Restrictions of Pfaffian systems for Feynman integrals

open access: yesJournal of High Energy Physics, 2023
This work studies limits of Pfaffian systems, a class of first-order PDEs appearing in the Feynman integral calculus. Such limits appear naturally in the context of scattering amplitudes when there is a separation of scale in a given set of kinematic ...
Vsevolod Chestnov   +3 more
doaj   +1 more source

Differential algebras in non-commutative geometry [PDF]

open access: yesJournal of Geometry and Physics, 1995
We discuss the differential algebras used in Connes' approach to Yang-Mills theories with spontaneous symmetry breaking. These differential algebras generated by algebras of the form functions $\otimes$ matrix are shown to be skew tensorproducts of differential forms with a specific matrix algebra.
Kalau, W.   +3 more
openaire   +2 more sources

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