Negative eddy viscosity in isotropically forced two-dimensional flow: linear and nonlinear dynamics S Gama, M Vergassola, U Frisch Journal of fluid mechanics 260, 95-126, 1994 | 137 | 1994 |
Time and scale Hurst exponent analysis for financial markets JAO Matos, SMA Gama, HJ Ruskin, A Al Sharkasi, M Crane Physica A: Statistical Mechanics and its Applications 387 (15), 3910-3915, 2008 | 126 | 2008 |
A new approach to the Pontryagin maximum principle for nonlinear fractional optimal control problems HM Ali, FL Pereira, SMA Gama Mathematical Methods in the Applied Sciences 39 (13), 3640-3649, 2016 | 59 | 2016 |
Eddy viscosity of three-dimensional flow A Wirth, S Gama, U Frisch Journal of Fluid Mechanics 288, 249-264, 1995 | 46 | 1995 |
Dependence of magnetic field generation by thermal convection on the rotation rate: A case study R Chertovskih, SMA Gama, O Podvigina, V Zheligovsky Physica D: Nonlinear Phenomena 239 (13), 1188-1209, 2010 | 28 | 2010 |
An econophysics approach to the Portuguese Stock Index—PSI-20 JAO Matos, SMA Gama, HJ Ruskin, JAMS Duarte Physica A: Statistical Mechanics and its Applications 342 (3-4), 665-676, 2004 | 27 | 2004 |
Proving the existence of negative isotropic eddy viscosity. M Vergassola, S Gama, U Frisch Solar and Planetary Dynamos, 321-327, 1993 | 27 | 1993 |
The two-dimensional Navier-Stokes equations with a large-scale instability of the Kuramoto-Sivashinsky type: numerical exploration on the Connection Machine S Gama, U Frisch, H Scholl Journal of scientific computing 6, 425-452, 1991 | 21 | 1991 |
Small-scale anisotropy and intermittence in high-and low-latitude solar wind A Bigazzi, L Biferale, SMA Gama, M Velli The Astrophysical Journal 638 (1), 499, 2006 | 20 | 2006 |
Local helicity, a material invariant for the odd-dimensional incompressible Euler equations. S Gama, U Frisch Solar and Planetary Dynamos, 115-119, 1993 | 14 | 1993 |
Optimal multi-process control of a two vortex driven particle in the plane FL Pereira, T Grilo, S Gama IFAC-PapersOnLine 50 (1), 2193-2198, 2017 | 11 | 2017 |
Time evolution of the eddy viscosity in two-dimensional Navier-Stokes flow M Chaves, S Gama Physical Review E 61 (2), 2118, 2000 | 11 | 2000 |
Computation of Kinematic and Magnetic α-Effect and Eddy Diffusivity Tensors by Padé Approximation SMA Gama, R Chertovskih, V Zheligovsky Fluids 4 (2), 110, 2019 | 8 | 2019 |
Two-dimensional simulation of the Navier-Stokes equations for laminar and turbulent flow around a heated square cylinder with forced convection RDC Santos, SMA Gama, RGR Camacho Applied Mathematics 9 (3), 291-312, 2018 | 8 | 2018 |
Eddy diffusivity in convective hydromagnetic systems M Baptista, SMA Gama, VA Zheligovsky The European Physical Journal B 60, 337-351, 2007 | 8 | 2007 |
Origin of multifractality in solar wind turbulence: the role of current sheets LF Gomes, TFP Gomes, EL Rempel, S Gama Monthly Notices of the Royal Astronomical Society 519 (3), 3623-3634, 2023 | 6 | 2023 |
Eddy diffusivity of quasi-neutrally-buoyant inertial particles MM Afonso, P Muratore-Ginanneschi, SMA Gama, A Mazzino Physical Review Fluids 3 (4), 044501, 2018 | 6 | 2018 |
Long-term memory in Euronext stock indexes returns: An econophysics approach LMP Gomes, VJS Soares, SMA Gama, JAO Matos Business and Economic Horizons 14 (4), 862-881, 2018 | 6 | 2018 |
Combined role of molecular diffusion, mean streaming and helicity in the eddy diffusivity of short-correlated random flows MM Afonso, A Mazzino, S Gama Journal of Statistical Mechanics: Theory and Experiment 2016 (10), 103205, 2016 | 6 | 2016 |
Short-wave instabilities in the Benjamin-Bona-Mahoney-Peregrine equation: theory and numerics SM Gama, RA Kraenkel, MA Manna Inverse problems 17 (4), 863, 2001 | 6 | 2001 |