3 Search Results for "Stoll, Michael"

Document
DOI: 10.4230/LIPIcs.ITP.2023.6
An Elementary Formal Proof of the Group Law on Weierstrass Elliptic Curves in Any Characteristic

Authors: David Kurniadi Angdinata and Junyan Xu

Published in: LIPIcs, Volume 268, 14th International Conference on Interactive Theorem Proving (ITP 2023)

Abstract
Elliptic curves are fundamental objects in number theory and algebraic geometry, whose points over a field form an abelian group under a geometric addition law. Any elliptic curve over a field admits a Weierstrass model, but prior formal proofs that the addition law is associative in this model involve either advanced algebraic geometry or tedious computation, especially in characteristic two. We formalise in the Lean theorem prover, the type of nonsingular points of a Weierstrass curve over a field of any characteristic and a purely algebraic proof that it forms an abelian group.
Cite as

David Kurniadi Angdinata and Junyan Xu. An Elementary Formal Proof of the Group Law on Weierstrass Elliptic Curves in Any Characteristic. In 14th International Conference on Interactive Theorem Proving (ITP 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 268, pp. 6:1-6:19, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2023)

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@InProceedings{angdinata_et_al:LIPIcs.ITP.2023.6,
  author =	{Angdinata, David Kurniadi and Xu, Junyan},
  title =	{{An Elementary Formal Proof of the Group Law on Weierstrass Elliptic Curves in Any Characteristic}},
  booktitle =	{14th International Conference on Interactive Theorem Proving (ITP 2023)},
  pages =	{6:1--6:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-284-6},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{268},
  editor =	{Naumowicz, Adam and Thiemann, Ren\'{e}},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2023.6},
  URN =		{urn:nbn:de:0030-drops-183817},
  doi =		{10.4230/LIPIcs.ITP.2023.6},
  annote =	{Keywords: formal math, algebraic geometry, elliptic curve, group law, Lean, mathlib}
}
Document
DOI: 10.4230/LITES-v003-i001-a001
Programming Language Constructs Supporting Fault Tolerance

Authors: Christina Houben and Sebastian Houben

Published in: LITES, Volume 3, Issue 1 (2016). Leibniz Transactions on Embedded Systems, Volume 3, Issue 1

Abstract
In order to render software viable for highly safety-critical applications, we describe how to incorporate fault tolerance mechanisms into the real-time programming language PEARL. Therefore, we present, classify, evaluate and illustrate known fault tolerance methods for software. We link them together with the requirements of the international standard IEC 61508-3 for functional safety. We contribute PEARL-2020 programming language constructs for fault tolerance methods that need to be implemented by operating systems, and code-snippets as well as libraries for those independent from runtime systems.
Cite as

Christina Houben and Sebastian Houben. Programming Language Constructs Supporting Fault Tolerance. In LITES, Volume 3, Issue 1 (2016). Leibniz Transactions on Embedded Systems, Volume 3, Issue 1, pp. 01:1-01:20, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2016)

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@Article{houben_et_al:LITES-v003-i001-a001,
  author =	{Houben, Christina and Houben, Sebastian},
  title =	{{Programming Language Constructs Supporting Fault Tolerance}},
  booktitle =	{LITES, Volume 3, Issue 1 (2016)},
  pages =	{01:1--01:20},
  journal =	{Leibniz Transactions on Embedded Systems},
  ISSN =	{2199-2002},
  year =	{2016},
  volume =	{3},
  number =	{1},
  editor =	{Houben, Christina and Houben, Sebastian},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LITES-v003-i001-a001},
  doi =		{10.4230/LITES-v003-i001-a001},
  annote =	{Keywords: Fault tolerance, Functional safety, PEARL, Embedded systems, Software engineering}
}
Document
DOI: 10.4230/DagSemProc.09221.5
Rational Points on Curves of Genus 2: Experiments and Speculations

Authors: Michael Stoll

Published in: Dagstuhl Seminar Proceedings, Volume 9221, Algorithms and Number Theory (2009)

Abstract
I will present results of computations providing statistics on rational points on (small) curves of genus 2 and use them to present several conjectures. Some of them are based on heuristic considerations, others are not.
Cite as

Michael Stoll. Rational Points on Curves of Genus 2: Experiments and Speculations. In Algorithms and Number Theory. Dagstuhl Seminar Proceedings, Volume 9221, pp. 1-4, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2009)

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@InProceedings{stoll:DagSemProc.09221.5,
  author =	{Stoll, Michael},
  title =	{{Rational Points on Curves of Genus 2: Experiments and Speculations}},
  booktitle =	{Algorithms and Number Theory},
  pages =	{1--4},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9221},
  editor =	{Johannes A. Buchmann and John Cremona and Michael E. Pohst},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09221.5},
  URN =		{urn:nbn:de:0030-drops-21246},
  doi =		{10.4230/DagSemProc.09221.5},
  annote =	{Keywords: Rational points, genus 2}
}
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