4 papers
Quantum codes do not fix isotropic errors
Jesús GarcÃa López de Lacalle, Luis Miguel Pozo Coronado, André L. Fonseca de Oliveira
In this work we prove that quantum error correcting codes do not fix isotropic errors, even assuming that their correction circuits do not introduce new errors. We say that a quant…
Variance of the sum of independent quantum computing errors
Jesús Lacalle, Luis Miguel Pozo Coronado
The sum of quantum computing errors is the key element both for the estimation and control of errors in quantum computing and for its statistical study. In this article we analyze…
Structure of cycles in Minimal Strong Digraphs
Miguel Arcos Argudo, Jesús GarcÃa López de Lacalle, Luis Miguel PozoCoronado
This work shows a study about the structure of the cycles contained in a Minimal Strong Digraph (MSD). The structure of a given cycle is determined by the strongly connected compon…
Differential -forms and -vector fields with constant coefficients
Jaime Muñoz Masqué, Luis Miguel Pozo Coronado, MarÃa Eugenia Rosado MarÃa
Differential -forms and -vector fields with constant coefficients are studied. Differential -forms of degrees with constant coefficients on a smooth -dime…