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quant-ph2026★ 1 cited
SpiderCat: Optimal Fault-Tolerant Cat State Preparation
Andrey Boris Khesin, Sarah Meng Li, Boldizsár Poór +3
The ability to fault-tolerantly prepare CAT states, also known as multi-qubit GHZ states, is an important primitive for quantum error correction. It is required for Shor-style synd…
quant-ph2021★ 4 cited
Generators and Relations for the Group On(Z[1/2])
Sarah Meng Li, Neil J. Ross, Peter Selinger
We give a finite presentation by generators and relations for the group O_n(Z[1/2]) of n-dimensional orthogonal matrices with entries in Z[1/2]. We then obtain a similar presentati…