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Documents authored by Vicary, Jamie

Document
DOI: 10.4230/LIPIcs.CALCO.2017.19
A Classical Groupoid Model for Quantum Networks

Authors: David Reutter and Jamie Vicary

Published in: LIPIcs, Volume 72, 7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017)

Abstract
We give a mathematical analysis of a new type of classical computer network architecture, intended as a model of a new technology that has recently been proposed in industry. Our approach is based on groubits, generalizations of classical bits based on groupoids. This network architecture allows the direct execution of a number of protocols that are usually associated with quantum networks, including teleportation, dense coding and secure key distribution.
Cite as

David Reutter and Jamie Vicary. A Classical Groupoid Model for Quantum Networks. In 7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 72, pp. 19:1-19:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{reutter_et_al:LIPIcs.CALCO.2017.19,
  author =	{Reutter, David and Vicary, Jamie},
  title =	{{A Classical Groupoid Model for Quantum Networks}},
  booktitle =	{7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017)},
  pages =	{19:1--19:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-033-0},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{72},
  editor =	{Bonchi, Filippo and K\"{o}nig, Barbara},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CALCO.2017.19},
  URN =		{urn:nbn:de:0030-drops-80391},
  doi =		{10.4230/LIPIcs.CALCO.2017.19},
  annote =	{Keywords: groupoids, networks, quantum, semantics, key distribution}
}
Document
DOI: 10.4230/LIPIcs.CALCO.2017.20
A 2-Categorical Approach to Composing Quantum Structures

Authors: David Reutter and Jamie Vicary

Published in: LIPIcs, Volume 72, 7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017)

Abstract
We present an infinite number of construction schemes for quantum structures, including unitary error bases, Hadamard matrices, quantum Latin squares and controlled families, many of which have not previously been described. Our results rely on the type structure of biunitary connections, 2-categorical structures which play a central role in the theory of planar algebras. They have an attractive graphical calculus which allows simple correctness proofs for the constructions we present. We apply these techniques to construct a unitary error basis that cannot be built using any previously known method.
Cite as

David Reutter and Jamie Vicary. A 2-Categorical Approach to Composing Quantum Structures. In 7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 72, pp. 20:1-20:20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{reutter_et_al:LIPIcs.CALCO.2017.20,
  author =	{Reutter, David and Vicary, Jamie},
  title =	{{A 2-Categorical Approach to Composing Quantum Structures}},
  booktitle =	{7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017)},
  pages =	{20:1--20:20},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-033-0},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{72},
  editor =	{Bonchi, Filippo and K\"{o}nig, Barbara},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CALCO.2017.20},
  URN =		{urn:nbn:de:0030-drops-80389},
  doi =		{10.4230/LIPIcs.CALCO.2017.20},
  annote =	{Keywords: quantum constructions, 2-category, graphical calculus, planar algebra}
}
Document
DOI: 10.4230/LIPIcs.FSCD.2016.34
Globular: An Online Proof Assistant for Higher-Dimensional Rewriting

Authors: Krzysztof Bar, Aleks Kissinger, and Jamie Vicary

Published in: LIPIcs, Volume 52, 1st International Conference on Formal Structures for Computation and Deduction (FSCD 2016)

Abstract
This article introduces Globular, an online proof assistant for the formalization and verification of proofs in higher-dimensional category theory. The tool produces graphical visualizations of higher-dimensional proofs, assists in their construction with a point-and-click interface, and performs type checking to prevent incorrect rewrites. Hosted on the web, it has a low barrier to use, and allows hyperlinking of formalized proofs directly from research papers. It allows the formalization of proofs from logic, topology and algebra which are not formalizable by other methods, and we give several examples.
Cite as

Krzysztof Bar, Aleks Kissinger, and Jamie Vicary. Globular: An Online Proof Assistant for Higher-Dimensional Rewriting. In 1st International Conference on Formal Structures for Computation and Deduction (FSCD 2016). Leibniz International Proceedings in Informatics (LIPIcs), Volume 52, pp. 34:1-34:11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016)

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@InProceedings{bar_et_al:LIPIcs.FSCD.2016.34,
  author =	{Bar, Krzysztof and Kissinger, Aleks and Vicary, Jamie},
  title =	{{Globular: An Online Proof Assistant for Higher-Dimensional Rewriting}},
  booktitle =	{1st International Conference on Formal Structures for Computation and Deduction (FSCD 2016)},
  pages =	{34:1--34:11},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-010-1},
  ISSN =	{1868-8969},
  year =	{2016},
  volume =	{52},
  editor =	{Kesner, Delia and Pientka, Brigitte},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.FSCD.2016.34},
  URN =		{urn:nbn:de:0030-drops-59880},
  doi =		{10.4230/LIPIcs.FSCD.2016.34},
  annote =	{Keywords: higher category theory, higher-dimensional rewriting, interactive theorem proving}
}
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