3 papers
quant-ph2003
New encoding schemes for quantum authentication
Priscila Garcia-Fernandez, Enrique Fernandez-Martinez, Esther Perez +1
We study the potential of general quantum operations, Trace-Preserving Completely-Positive Maps (TPCPs), as encoding and decoding mechanisms in quantum authentication protocols. Th…
quant-ph2001
Quantum information processing: A linear systems perspective
Marcos Curty, David J. Santos
In this paper a system-oriented formalism of Quantum Information Processing is presented. Its form resembles that of standard signal processing, although further complexity is adde…
quant-ph2001
Quantum cryptography without a quantum channel
Marcos Curty, David J. Santos
This paper has been withdrawn by the authors because the results obtained have been reported earlier by other authors.