Abstract
We present the construction of quantum error-locating (QEL) codes based on classical error-locating (EL) codes. Similar to classical EL codes, QEL codes lie midway between quantum error-correcting codes and quantum error-detecting codes. Then QEL codes can locate qubit errors within one sub-block of the received qubit symbols but do not need to determine the exact locations of the erroneous qubits. We show that, an e-error-locating code derived from an arbitrary binary cyclic code with generator polynomial , can lead to a QEL code with e error-locating abilities, only if does not contain the -factor.
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