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quant-ph2007★ 7 cited
An Explicit Construction of Quantum Expanders
Avraham Ben-Aroya, Oded Schwartz, Amnon Ta-Shma
Quantum expanders are a natural generalization of classical expanders. These objects were introduced and studied by Ben-Aroya and Ta-Shma and by Hastings. In this note we show how…
quant-ph2007★ 30 cited
Quantum expanders and the quantum entropy difference problem
Avraham Ben-Aroya, Amnon Ta-Shma
We define quantum expanders in a natural way. We show that under certain conditions classical expander constructions generalize to the quantum setting, and in particular so does th…