Results 81 to 90 of about 1,923 (167)

A second-order artificial satellite theory based on an intermediate orbit [PDF]

open access: yes
Second order artificial satellite theory based on intermediate ...
Aksnes, K.
core   +1 more source

Diseño de una herramienta didáctica para la formación del profesor de matemáticas utilizando elementos históricos de lo logarítmico y lo exponencial [PDF]

open access: yes, 2013
Este trabajo se inscribe en el campo de investigación Formación del Profesor de Matemáticas, con el objetivo de diseñar unas herramientas didácticas que posibiliten la apropiación de algunos elementos históricos por parte del profesor de matemáticas, en ...
Bocanegra, Israel   +2 more
core   +1 more source

Investigation of the Low-Populated Excited States of the HIV-1 Nucleocapsid Domain. [PDF]

open access: yesViruses, 2022
Mouhand A   +7 more
europepmc   +1 more source

Plasmonic Metasurfaces for Specific SERS Detection of Shiga Toxins. [PDF]

open access: yesACS Appl Mater Interfaces, 2022
Rippa M   +13 more
europepmc   +1 more source

Co-Precipitated Ni-Mg-Al Hydrotalcite-Derived Catalyst Promoted with Vanadium for CO2 Methanation. [PDF]

open access: yesMolecules, 2021
Summa P   +6 more
europepmc   +1 more source

On an EUV Atmospheric Simulation Chamber to Study the Photochemical Processes of Titan's Atmosphere. [PDF]

open access: yesSci Rep, 2020
Bourgalais J   +9 more
europepmc   +1 more source

Nonlinear d'Alembert formula for discrete pseudospherical surfaces

open access: yesNonlinear d'Alembert formula for discrete pseudospherical surfaces
On the basis of loop group decompositions (Birkhoff decompositions), we give a discrete version of the nonlinear d'Alembert formula, a method of separation of variables of difference equations, for discrete constant negative Gauss curvature (pseudospherical) surfaces in Euclidean three space. We also compute two examples by this formula in detail.
openaire  

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