Results 1 to 10 of about 689 (41)

Validation of locomotion scoring as a new and inexpensive technique to record circadian locomotor activity in large mammals [PDF]

Heliyon, 2018
Background: The locomotor activity (LA) rhythm, widely studied in rodents, has not been fully investigated in large mammals. This is due to the high cost and the brittleness of the required devices.
H. Farsi, D. Harti, M.R. Achaâban, M. Piro, M. Ouassat, E. Challet, P. Pévet, K. El Allali   +7 more
doaj   +2 more sources

Free Proalgebraic Groups [PDF]

Épijournal de Géométrie Algébrique, 2020
Replacing finite groups by linear algebraic groups, we study an algebraic-geometric counterpart of the theory of free profinite groups. In particular, we introduce free proalgebraic groups and characterize them in terms of embedding problems.
Michael Wibmer
doaj   +1 more source

Galoisian and qualitative approaches to linear Polyanin-Zaitsev vector fields

Open Mathematics, 2018
In this paper we study a particular parametric family of differential equations, the so-called Linear Polyanin-Zaitsev Vector Field, which has been introduced in a general case in [1] as a correction of a family presented in [2].
Acosta-Humánez Primitivo B., Reyes-Linero Alberto, Rodriguez-Contreras Jorge   +2 more
doaj   +1 more source

Algebraic and qualitative remarks about the family yy′ = (αxm+k–1 + βxm–k–1)y + γx2m–2k–1

Open Mathematics, 2019
The aim of this paper is the analysis, from algebraic point of view and singularities studies, of the 5-parametric family of differential ...
Rodríguez-Contreras Jorge, Acosta-Humánez Primitivo B., Reyes-Linero Alberto   +2 more
doaj   +1 more source

Amitsur's theorem, semicentral idempotents, and additively idempotent semirings

Open Mathematics
The article explores research findings akin to Amitsur’s theorem, asserting that any derivation within a matrix ring can be expressed as the sum of an inner derivation and a hereditary derivation.
Rachev Martin, Trendafilov Ivan
doaj   +1 more source

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

J Clin Virol, 2021
Wilson MJ, Sparkes D, Myers C, Smielewska AA, Husain MM, Smith C, Rolfe KJ, Zhang H, Jalal H.   +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]

Front Physiol, 2021
Longhini LS, Zena LA, Polymeropoulos ET, Rocha ACG, da Silva Leandro G, Prado CPA, Bícego KC, Gargaglioni LH.   +7 more
europepmc   +1 more source

The five-variable Volterra system

Open Mathematics, 2011
Zieliński Janusz
doaj   +1 more source

Triviality of differential Galois cohomology of linear differential algebraic groups. [PDF]

Commun Algebra, 2019
Minchenko A, Ovchinnikov A.
europepmc   +1 more source

The constants of the Volterra derivation

Open Mathematics, 2012
Hegedűs Pál
doaj   +1 more source