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Differential algebra on lattice Green functions and Calabi Yau operators
This note explains miscellaneous linear differential operators mostly associated with lattice Green functions in arbitrary dimensions, but also Calabi-Yau operators and order-seven operators corresponding to exceptional differential Galois groups.
Author(s): Salah Boukraa, Saoud Hassani, Jean-Marie Maillard, Jacques-Arthur Weil
62 Pages 
This PDF book covers the following topics related to Differential Algebra : Foundations of Differential Algebra, the Ring of Differential Polynomials and Its Ideals, Differential Algebraic Extensions, Differential Galois Theory, Linear Algebraic Groups, Liouvillian Extensions.
Author(s): Alexey Ovchinnikov, Maxwell Shapiro, Peter Thompson
41 Pages
Stability criteria for nonlinear fully implicit differential algebraic systems
The goal of this note is to contribute to the qualitative theory of differential-algebraic systems by providing new asymptotic stability criteria for a class of nonlinear, fully implicit DAEs with tractability index two. Topics covered includes: State space analysis of differential-algebraic equations, Properly formulated DAEs with tractability index 2, The state space form, Index reduction via differentiation, Stability criteria for differential-algebraic systems, Asymptotic stability of periodic solutions, Lyapunov’s direct method regarding DAEs.
Author(s): Michael Menrath
191 Pages
Differential algebra on lattice Green functions and Calabi Yau operators
This note explains miscellaneous linear differential operators mostly associated with lattice Green functions in arbitrary dimensions, but also Calabi-Yau operators and order-seven operators corresponding to exceptional differential Galois groups.
Author(s): Salah Boukraa, Saoud Hassani, Jean-Marie Maillard, Jacques-Arthur Weil
62 Pages
Asymptotic Differential Algebra
This note introduces both, state some of their basic properties, and explain connections to o-minimal structures. Also describe a common algebraic framework for these examples: the category of H-fields. This unified setting leads to a better understanding of Hardy fields and transseries from an algebraic and model-theoretic perspective.
Author(s): Matthias Aschenbrenner
38 PagesAdvertisement
