603 citations · 1.6k across the 72 of their papers we have counts for
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On the viability of the shearing box approximation for numerical studies of MHD turbulence in accretion disks
O. Regev, O. M. Umurhan
Most of our knowledge on the nonlinear development of the magneto-rotational instability (MRI) relies on the results of numerical simulations employing the shearing box (SB) approx…
Unique Games with Entangled Provers are Easy
Julia Kempe, Oded Regev, Ben Toner
We consider one-round games between a classical verifier and two provers who share entanglement. We show that when the constraints enforced by the verifier are `unique' constraints…
Simulating Quantum Correlations with Finite Communication
Oded Regev, Ben Toner
Assume Alice and Bob share some bipartite -dimensional quantum state. A well-known result in quantum mechanics says that by performing two-outcome measurements, Alice and Bob ca…
Chaos and complexity in astrophysics
Oded Regev
Methods and techniques of the theory of nonlinear dynamical systems and patterns can be useful in astrophysical applications. Some works on the subjects of dynamical astronomy, ste…
A Hypercontractive Inequality for Matrix-Valued Functions with Applications to Quantum Computing and LDCs
Avraham Ben-Aroya, Oded Regev, Ronald de Wolf
The Bonami-Beckner hypercontractive inequality is a powerful tool in Fourier analysis of real-valued functions on the Boolean cube. In this paper we present a version of this inequ…
Hydrodynamic response of rotationally supported flows in the Small Shearing Box model
A. Sternberg, O. M. Umurhan, Y. Gil +1
The hydrodynamic response of the inviscid small shearing box model of a midplane section of a rotationally supported astrophysical disk is examined. An energy functional …
On the nonlinear saturation of the magnetorotational instability near threshold in a thin-gap Taylor-Couette setup
O. M. Umurhan, O. Regev, K. Menou
We study the saturation near threshold of the axisymmetric magnetorotational instability (MRI) of a viscous, resistive, incompressible fluid in a thin-gap Taylor-Couette configurat…