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Consortium of Swiss Academic Libraries

Volume expansion enhances plasma endothelin-1

Abdel-Sayed, Saad ; Brunner, Hans Rudolf ; Nussberger, Juerg

In: American Journal of Hypertension, 2003, vol. 16, no. 12, p. 1057-1061

Université de Fribourg

The linear barycentric rational method for a class of delay Volterra integro-differential equations

Abdi, Ali ; Berrut, Jean-Paul ; Hosseini, Seyyed Ahmad

In: Journal of Scientific Computing, 2018, vol. 75, no. 3, p. 1757-1775

A method for solving delay Volterra integro-differential equations is introduced. It is based on two applications of linear barycentric rational interpolation, barycentric rational quadrature and barycentric rational finite differences. Its zero–stability and convergence are studied. Numerical tests demonstrate the excellent agreement of our implementation with the predicted convergence...

Université de Fribourg

Nondiffusive fluxes in a Brownian system with Lorentz force

Abdoli, I. ; Vuijk, H. D. ; Sommer, J. U. ; Brader, Joseph M. ; Sharma, Abhinav

In: Physical Review E, 2020, vol. 101, no. 1, p. 012120

The Fokker-Planck equation provides a complete statistical description of a particle undergoing random motion in a solvent. In the presence of Lorentz force due to an external magnetic field, the Fokker-Planck equation picks up a tensorial coefficient, which reflects the anisotropy of the particle's motion. This tensor, however, cannot be interpreted as a diffusion tensor; there are...