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arxiv: 1404.3633 · v3 · pith:K4U6M25Bnew · submitted 2014-04-14 · 💻 cs.LO · math.CT· quant-ph

The ZX-calculus is incomplete for quantum mechanics

classification 💻 cs.LO math.CTquant-ph
keywords zx-calculusincompletemechanicsquantumadditionanalyticalcolor-swapcomplete
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We prove that the ZX-calculus is incomplete for quantum mechanics. We suggest the addition of a new 'color-swap' rule, of which currently no analytical formulation is known and which we suspect may be necessary, but not sufficient to make the ZX-calculus complete.

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