17 citations · 37 across the 14 of their papers we have counts for
14 papers
The Heisenberg-Weyl-parity group its coherent states and a unified Wigner-Weyl function
A. Vourdas
The Heisenberg-Weyl group related to a -dimensional Hilbert space , is enlarged into the Heisenberg-Weyl-parity group that incorporates parity transformat…
Random walks in finite Abelian groups with Birkhoff subpolytopes of doubly stochastic matrices and their physical implementation
A. Vourdas
Random walks in a finite Abelian group are studied. They use Markov chains with doubly stochastic transition matrices, in a Birkhoff subpolytope associated with t…
Effective approach to open systems with probability currents and the Grothendieck formalism
A. Vourdas
An effective approach to open systems and irreversible phenomena is presented, where an open system with -dimensional Hilbert space, is a subsystem of a larger isolated s…
Partial order and topology of Hermitian matrices and quantum Choquet integrals for density matrices with given expectation values
A. Vourdas
The set of Hermitian matrices (observables) is studied as a partially ordered set with the Löwner partial order. Upper and lower sets in it, define the concept of c…
Rescaling transformations and the Grothendieck bound formalism in a single quantum system
A. Vourdas
The Grothedieck bound formalism is studied using `rescaling transformations', in the context of a single quantum system. The rescaling transformations enlarge the set of unitary tr…
Ultra-quantum coherent states in a single finite quantum system
A. Vourdas
A set of coherent states is introduced in a quantum system with -dimensional Hilbert space . It is shown that they resolve the identity, and also have a discrete isotr…