[quantum-info] Reminder: PIQuDos seminar on Wed, Sept 25: Adam Paetznick

[Gus Gutoski]

Please join us this afternoon at 4pm in the Time Room (294) for a PIQuDos
seminar by Adam Paetznick.  Details below.  -Gus


On Wed, Sep 18, 2013 at 10:46 PM, Gus Gutoski <
ggutoski at perimeterinstitute.ca> wrote:

> Please join us on Wednesday, September 25 at 4pm for our first quantum
> information seminar of the academic year by Adam Paetznick.
>
> Title: *Universal fault-tolerant quantum computation with only
> transversal gates and error correction*
> Speaker: *Adam Paetznick* (Institute for Quantum Computing, University of
> Waterloo)
>
> Abstract:
> Transversal implementations of encoded unitary gates are highly desirable
> for fault-tolerant quantum computation.  It is known, however, that
> transversal gates alone cannot be computationally universal.  I will show
> that the limitation on universality can be circumvented using only
> fault-tolerant error correction, which is already required anyway.  This
> result applies to "triorthogonal" stabilizer codes, which were recently
> introduced by Bravyi and Haah for state distillation.  I will show that
> triothogonal codes admit transversal implementation of the
> controlled-controlled-Z gate, and then demonstrate a transversal Hadamard
> construction which uses error correction to preserve the codespace. I will
> also discuss how to adapt the distillation procedure of Bravyi and Haah to
> Toffoli gates, improving on existing Toffoli distillation schemes.
>
> Date: Wednesday, September 25, 2013 - 4:00 pm
> Location: Time Room (294)
>
> -Gus
>
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