activity
20072026
most citedGenerating random density matrices

188 citations · 1.3k across the 84 of their papers we have counts for

collaborators
Showing math.PRShow all

11 papers · 1 filter

math.PR2023

The -circular limit of random tensor flattenings

Stéphane Dartois, Camille Male, Ion Nechita

The tensor flattenings appear naturally in quantum information when one produces a density matrix by partially tracing the degrees of freedom of a pure quantum state. In this paper…

math.PR2018★ 6 cited

On the joint distribution of the marginals of multipartite random quantum states

Stephane Dartois, Luca Lionni, Ion Nechita

We study the joint distribution of the set of all marginals of a random Wishart matrix acting on a tensor product Hilbert space. We compute the limiting free mixed cumulants of the…

math.PR2018

de Finetti reductions for partially exchangeable probability distributions

Ivan Bardet, Cécilia Lancien, Ion Nechita

We introduce a general framework for de Finetti reduction results, applicable to various notions of partially exchangeable probability distributions. Explicit statements are derive…

math.PR2015★ 13 cited

On the asymptotic distribution of block-modified random matrices

Octavio Arizmendi, Ion Nechita, Carlos Vargas

We study random matrices acting on tensor product spaces which have been transformed by a linear block operation. Using operator-valued free probability theory, under some mild ass…

math.PR2012★ 18 cited

Realigning random states

Guillaume Aubrun, Ion Nechita

We study how the realignment criterion (also called computable cross-norm criterion) succeeds asymptotically in detecting whether random states are separable or entangled. We consi…

math.PR2012★ 3 cited

Random pure quantum states via unitary Brownian motion

Ion Nechita, Clément Pellegrini

We introduce a new family of probability distributions on the set of pure states of a finite dimensional quantum system. Without any a priori assumptions, the most natural measure…

math.PR2012★ 5 cited

Block-modified Wishart matrices and free Poisson laws

Teodor Banica, Ion Nechita

We study the random matrices of type , where is a complex Wishart matrix of parameters , and is a self-ad…

math.PR2011★ 2 cited

Asymptotic eigenvalue distributions of block-transposed Wishart matrices

Teodor Banica, Ion Nechita

We study the partial transposition of a Wishart matrix of parameters . Our main resu…

math.PR2010★ 31 cited

Laws of large numbers for eigenvectors and eigenvalues associated to random subspaces in a tensor product

S. Belinschi, B. Collins, I. Nechita

Given two positive integers and and a parameter , we choose at random a vector subspace of dimension $N\sim t…

math.PR2009★ 39 cited

Random quantum channels II: Entanglement of random subspaces, Renyi entropy estimates and additivity problems

Benoît Collins, Ion Nechita

In this paper we obtain new bounds for the minimum output entropies of random quantum channels. These bounds rely on random matrix techniques arising from free probability theory.…

math.PR2008★ 2 cited

A permutation model for free random variables and its classical analogue

Florent Benaych-Georges, Ion Nechita

In this paper, we generalize a permutation model for free random variables which was first proposed by Biane in \cite{biane}. We also construct its classical probability analogue,…