Results 21 to 30 of about 701 (41)

Non-integrability of the Armbruster-Guckenheimer-Kim quartic Hamiltonian through Morales-Ramis theory [PDF]

open access: yes, 2017
We show the non-integrability of the three-parameter Armburster-Guckenheimer-Kim quartic Hamiltonian using Morales-Ramis theory, with the exception of the three already known integrable cases.
Acosta-Humánez, P.   +2 more
core   +1 more source

Extensions of differential representations of SL(2) and tori

open access: yes, 2011
Linear differential algebraic groups (LDAGs) measure differential algebraic dependencies among solutions of linear differential and difference equations with parameters, for which LDAGs are Galois groups.
Alexey Ovchinnikov   +5 more
core   +1 more source

The Differential Counting Polynomial [PDF]

open access: yes, 2015
The aim of this paper is a quantitative analysis of the solution set of a system of polynomial nonlinear differential equations, both in the ordinary and partial case.
Lange-Hegermann, Markus
core  

On the role of differential algebra in biological modeling [PDF]

open access: yes, 2008
Extended abstract of an invited talk at Differential Algebra and related Computer Algebra (Catania, Italy, March 28th, 2008)International audienceDifferential algebra is an algebraic theory for studying systems of polynomial ordinary differential ...
Boulier, François
core   +3 more sources

Streamlining SARS-CoV-2 confirmatory testing to reduce false positive results. [PDF]

open access: yesJ Clin Virol, 2021
Wilson MJ   +8 more
europepmc   +1 more source

Thermal Acclimation to the Highest Natural Ambient Temperature Compromises Physiological Performance in Tadpoles of a Stream-Breeding Savanna Tree Frog. [PDF]

open access: yesFront Physiol, 2021
Longhini LS   +7 more
europepmc   +1 more source

The constants of the Volterra derivation

open access: yesOpen Mathematics, 2012
Hegedűs Pál
doaj   +1 more source

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