On Mon, Apr 3, 2017 at 3:16 AM, Harald Schilly wrote:
> -- Forwarded message --
> From: 王晴睿Qing-Rui Wang
> Date: Mon, Apr 3, 2017 at 9:08 AM
> Subject: Thanks and citation of Sage
> To: harald.schi...@gmail.com
>
>
> Dear Harald,
>
> I'm sending you this email to tell you our appreciation of using Sage
> in our recent work: https://arxiv.org/abs/1703.10937.
>
> We spent 2 days in our cluster to calculate the Hermite normal form of
> a matrix with size 2^20*(2^12+1) ~ 100*4000 ! Sage is much faster
> than other mathematical softwares we have tried.
Very nice! This (presumably) used the algorithm that Clement Pernet
and I came up with for asymptotically fast HNF (which we implemented
at Sage Days 7):
http://wstein.org/papers/hnf/
>
> Maybe our work is the first one to use Sage in condense matter
> physics. We use it to solve a system of linear integer equations in
> our group super-cohomology theory, which classifies fermionic symmetry
> protected topological phases. This is a fast-developing field
> originated from Haldane's work on spin-1 chain in 1980s, for which
> Haldane won the Nobel prize of physics in 2016.
>
> Thanks again!
>
> Bests,
> Qingrui
>
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--
William (http://wstein.org)
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