We set out a general protocol for steering the state of a quantum system from an arbitrary
initial state toward a chosen target state by coupling it to auxiliary quantum degrees of …

We consider the evolution of an arbitrary quantum dynamical semigroup of a finite-
dimensional quantum system under frequent kicks, where each kick is a generic quantum …

A general approach to obtain reduced models for a wide class of discrete-time quantum
systems is proposed. The obtained models not only reproduce exactly the output of a given …

In laboratory and numerical experiments, physical quantities are known with a finite
precision and described by rational numbers. Based on this, we deduce that quantum …

We present a general approach to measurement-based quantum feedback that employs
proportional and quantum state–(PaQS-) based feedback components to obtain locally …

We compare discrete-time quantum walks on graphs to their natural classical equivalents,
which we argue are lifted Markov chains (LMCs), that is, classical Markov chains with added …

We formalize the problem of dissipative quantum encoding, and explore the advantages of
using Markovian evolution to prepare a quantum code in the desired logical space, with …

We consider the problem of characterizing states of a multipartite quantum system from
restricted, quasi-local information, with emphasis on uniquely determined pure states. By …

The standard quantum formalism introduced at the undergraduate level treats measurement
as an instantaneous collapse. In reality however, no physical process can occur over a truly …

Stabilizing control synthesis is one of the central subjects in control theory and engineering,
and it always has to deal with unavoidable uncertainties in practice. In this study, we …