76 citations · 234 across the 19 of their papers we have counts for
8 papers · 1 filter
An operator algebraic approach for generalized Cardano polynomials
Leonard Mada, Maria Anastasia Jivulescu
We develop an operator algebraic framework for generalized Cardano polynomials and show how their structure naturally leads to an operator formulation of Cardano method that is com…
Thresholds for reduction-related entanglement criteria in quantum information theory
Maria Anastasia Jivulescu, Nicolae Lupa, Ion Nechita
We consider random bipartite quantum states obtained by tracing out one subsystem from a random, uniformly distributed, tripartite pure quantum state. We compute thresholds for the…
On the reduction criterion for random quantum states
Maria Anastasia Jivulescu, Nicolae Lupa, Ion Nechita
In this paper we study the reduction criterion for detecting entanglement of large dimensional bipartite quantum systems. We first obtain an explicit formula for the moments of a r…
Extending quantum operations
Teiko Heinosaari, Maria A. Jivulescu, David Reeb +1
For a given set of input-output pairs of quantum states or observables, we ask the question whether there exists a physically implementable transformation that maps each of the inp…
Exact dynamics of XX central spin models
M. A. Jivulescu, E. Ferraro, A. Napoli +1
The dynamical behavior of a star network of spins, wherein each of N decoupled spins interact with a central spin through non uniform Heisenberg XX interaction is exactly studied.…
Elementary symmetric functions of two solvents of a quadratic matrix equation
M. A. Jivulescu, A. Napoli, A. Messina
Quadratic matrix equations occur in a variety of applications. In this paper we introduce new permutationally invariant functions of two solvents of the n quadratic matrix equation…