TY - GEN AU - Salcedo Moreno, Lorenzo Luis PY - 2024 UR - https://hdl.handle.net/10481/102430 AB - Given a unitary operator in a finite dimensional complex Hilbert space, its unitary reduction to a subspace is defined. The application to quantum graphs is discussed. It is shown how the reduction allows to generate the scattering matrices of new... LA - eng PB - IOPScience TI - Reduction of unitary operators, quantum graphs and quantum channels DO - 10.1088/1751-8121/ada2c8 ER -