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Exact ODE Framework for Classical and Quantum Corrections for the Lennard-Jones Second Virial Coefficient. [PDF]

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On Differential Algebraic Systems

IFAC Proceedings Volumes, 1995
Abstract This paper presents a behavioral approach to dynamical systems that can be described by algebraic differential equations and inequalities. The differential algebraic system is defined without reference to input-output maps or relations, and without reference to state variables. The fundamental ideas center around the notions of the behavior (
Michalik, J, Willems, JC
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Algebraic invariants and their differential algebras

Proceedings of the 2010 International Symposium on Symbolic and Algebraic Computation, 2010
We review the algebraic foundations we developed to work with differential invariants of finite dimensional group actions. Those support the algorithms we introduced to operate symmetry reduction with a view towards differential elimination.
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Kahler Differentials and Differential Algebra

The Annals of Mathematics, 1969
The theory of differential modules which is developed in [2] is used here for the study of differential rings containing the rational numbers Q (frequently called Ritt algebras). This is done by introducing differential module structures on certain modules of Kihler differentials.
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DIFFERENTIAL ALGEBRA AND CONTROLLABILITY

IFAC Proceedings Volumes, 1989
Abstract The concept of controllability is generally introduced in control theory by means of definitions in the fields of functional analysis and dynamical systems. In the linear case, this concept can be tested by a well known formal criterion based on rank study of the controllability matrix , without any need to integrate the system. By analogy,
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Differential Graded Algebras

2020
This chapter investigates differential graded algebras. Throughout the chapter, G will be a Lie group with Lie algebra g. On a manifold M, the de Rham complex is a differential graded algebra, a graded algebra that is also a differential complex. If the Lie group G acts smoothly on M, then the de Rham complex Ω‎(M) is more than a differential graded ...
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