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27 papers · 1 filter
A spectral method for an Optimal Investment problem with Transaction Costs under Potential Utility
Javier de Frutos, Victor Gaton
This paper concerns the numerical solution of the finite-horizon Optimal Investment problem with transaction costs under Potential Utility. The problem is initially posed in terms…
The hyperbolic step potential: Antibound states, SUSY partners and Wigner time delays
M Gadella, S Kuru, J Negro
We study the scattering produced by a one dimensional hyperbolic step potential, which is exactly solvable and shows an unusual interest because of its asymmetric character. The an…
Models for the assessment of treatment improvement: the ideal and the feasible
P. C. Álvarez-Esteban, E. del Barrio, J. A. Cuesta-Albertos +1
Comparisons of different treatments or production processes are the goals of a significant fraction of applied research. Unsurprisingly, two-sample problems play a main role in Sta…
Robustness of QMA against witness noise
Friederike Anna Dziemba
Using the tool of concatenated stabilizer coding, we prove that the complexity class QMA remains unchanged even if every witness qubit is disturbed by constant noise. This result m…
Error analysis of projection methods for non inf-sup stable mixed finite elements. The transient Stokes problem
Javier de Frutos, Bosco García-Archilla, Julia Novo
A modified Chorin-Teman (Euler non-incremental) projection method and a modified Euler incremental projection method for non inf-sup stable mixed finite elements are analyzed. The…
Error analysis of projection methods for non inf-sup stable mixed finite elements. The Navier-Stokes equations
Javier de Frutos, Bosco García-Archilla, Julia Novo
We obtain error bounds for a modified Chorin-Teman (Euler non-incremental) method for non inf-sup stable mixed finite elements applied to the evolutionary Navier-Stokes equations.…