3 papers
math.NA2018
Simplified convergence proof in Bézier finite elements on D-dimensional simplex
G. Steinbrecher, N. Pometescu
By using a general formalism, we expose a simplified proof of the convergence of the Bézier polynomials attached to a continuous function defined in arbitrary dimensional simplex.…
physics.plasm-ph2017
Minimization algorithm in the simulation of the Wall Touching Kink Modes
Gyorgy Steinbrecher, Nicolae Pometescu
In this paper the discretized variational principle in the simulation of the Wall Touching Kink Modes (WTKM) is reformulated in terms of independent variables and a corresponding c…
cond-mat.stat-mech2016
Maximal entropy distribution functions from generalized Rényi entropy
György Steinbrecher, Giorgio Sonnino, Nicolae Pometescu
New class of reference distribution functions for numerical approximation of the solution of the Fokker-Planck equations associated to the charged particle dynamics in tokamak are…