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	<title>QETLAB - User contributions [en]</title>
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	<updated>2026-07-19T08:03:57Z</updated>
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		<title>Contributors</title>
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		<updated>2025-07-21T13:36:54Z</updated>

		<summary type="html">&lt;p&gt;Luis M. B. Varona: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;QETLAB started as a project by &#039;&#039;&#039;[https://njohnston.ca Nathaniel Johnston]&#039;&#039;&#039; and is still primarily maintained by him. Several other people have also contributed to its development (see the [https://github.com/nathanieljohnston/QETLAB/graphs/contributors contributors page on github] for more detailed information):&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[https://mateusaraujo.info/about/ Mateus Araújo]&#039;&#039;&#039;: Wrote faster code for computing the classical value of a non-local game in the &amp;lt;tt&amp;gt;[[NonlocalGameValue]]&amp;lt;/tt&amp;gt; function. Also refactored &amp;lt;tt&amp;gt;[[BellInequalityMax]]&amp;lt;/tt&amp;gt; and some other miscellaneous improvements.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[https://cosenal.github.io/ Alessandro Cosentino]&#039;&#039;&#039;: Bug reports, testing, and general guidance for best practices with QETLAB. Also created the &amp;lt;tt&amp;gt;[[LocalDistinguishability]]&amp;lt;/tt&amp;gt; function.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;John D&#039;Errico&#039;&#039;&#039;: Created the &amp;lt;tt&amp;gt;[[unique_perms]]&amp;lt;/tt&amp;gt; function, which was used until QETLAB v0.9 (it has since been removed).&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;Bruno Luong&#039;&#039;&#039;: Created the &amp;lt;tt&amp;gt;[[sporth]]&amp;lt;/tt&amp;gt; and &amp;lt;tt&amp;gt;[[spnull]]&amp;lt;/tt&amp;gt; functions.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;Robert Materi&#039;&#039;&#039;: Improved Octave compatibility, including creation of the &amp;lt;tt&amp;gt;[[dec_to_bin]]&amp;lt;/tt&amp;gt; and &amp;lt;tt&amp;gt;[[pad_array]]&amp;lt;/tt&amp;gt; functions.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[http://bartoszregula.github.io/ Bartosz Regula]&#039;&#039;&#039;: Fixed a bug in &amp;lt;tt&amp;gt;[[PartialMap]]&amp;lt;/tt&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[https://vprusso.github.io/ Vincent Russo]&#039;&#039;&#039;: Bug reports, testing, and contributions to several functions such as &amp;lt;tt&amp;gt;[[Fidelity]]&amp;lt;/tt&amp;gt;, &amp;lt;tt&amp;gt;[[DickeState]]&amp;lt;/tt&amp;gt;, and &amp;lt;tt&amp;gt;[[HorodeckiState]]&amp;lt;/tt&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[https://www.linkedin.com/in/benjamin-talbot4/ Benjamin Talbot]&#039;&#039;&#039;: Updated &amp;lt;tt&amp;gt;[[OperatorSchmidtDecomposition]]&amp;lt;/tt&amp;gt; to work properly on Hermitian inputs. Also wrote &amp;lt;tt&amp;gt;[[CompoundMatrix]]&amp;lt;/tt&amp;gt; and &amp;lt;tt&amp;gt;[[ElemSymPoly]]&amp;lt;/tt&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[https://www.linkedin.com/in/luisvarona87/ Luis M. B. Varona]&#039;&#039;&#039;: Fixed the nested CVX bug in &amp;lt;tt&amp;gt;[[IskIncoherent]]&amp;lt;/tt&amp;gt; causing scoping issues (and updated inconsistencies in the documentation). Also wrote &amp;lt;tt&amp;gt;[[has_band_k_ordering]]&amp;lt;/tt&amp;gt; and integrated it as a a new helper function for &amp;lt;tt&amp;gt;[[IskIncoherent]]&amp;lt;/tt&amp;gt;, allowing for early returns in some cases.&lt;br /&gt;
&lt;br /&gt;
N.J. also thanks the [https://uwaterloo.ca/institute-for-quantum-computing/ Institute for Quantum Computing] for hosting him during QETLAB&#039;s initial development, and the Natural Sciences and Engineering Research Council of Canada for providing funding during QETLAB&#039;s development.&lt;/div&gt;</summary>
		<author><name>Luis M. B. Varona</name></author>
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