Annonce

annonce@lrde.epita.fr

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Paper accepted at TUG 2020

by Didier Verna

Hello, I'm happy to announce that the following paper has been accepted at TUG 2020, to be held (hopefully) this July in Rochester, USA. Title: Experimenting with Typesetting Algorithms, Interactively, and in Real-Time Abstract: In general, typesetting experimentation is not a very practical thing to do. WYSIWYG typesetting systems are very reactive but do not offer highly configurable algorithms, and TeX, with its separate development / compilation / visualization phases, is not as interactive as its WYSIWYG competitors. Being able to experiment with typesetting algorithms interactively and in real-time is nevertheless desirable, for instance for demonstration purposes, or for rapid prototyping, and debugging new ideas. We present ETAP (Experimental Typesetting Algorithms Platform), a tool written to ease the typesetting experimentation process. ETAP currently provides several paragraph justification algorithms, all with many configuration options such as kerning, ligatures, flexible spaces, sloppiness, hyphenation, etc. The resulting paragraph is displayed with many visual hints as well, such as paragraph, character, and line boxes, baselines, over/underfullness hints, etc. All those parameters, along with the desired paragraph width, are adjustable interactively through a GUI, and the resulting paragraph is displayed and updated in real-time. ETAP can also be used without the GUI, as a scriptable application. In particular, it is able to generate all sorts of statistical reports or charts on the behavior of the various algorithms, for instance, the number of over/underfull boxes per paragraph width, the average compression or stretch ratio per line, whatever else you want. This allows you to quickly demonstrate or evaluate the comparative behavior or merits of the provided algorithms, or whichever you may want to add to the pool. -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

4 years, 8 months

(sans objet)

by Didier Verna

Dear all, here is an update on the current situation of ELS 2020. 1. Given the evolution of the world-wide situation with regard to the COVID pandemic, it will come as no surprise that we have to cancel the Zurich event. 2. I have consequently closed the registrations, and I will proceed with full refunding this afternoon. 3. In the meantime, the reviewing process has continued as usual, and I'm happy to announce that thanks to the authors, the PC, and under the supervision of Ioanna, we now have a preliminary programme online! At least, this will already give you a taste of what we have this year. See http://www.european-lisp-symposium.org/. 4. A fallback solution is still under consideration, so stay tuned for updates. What I can tell you right now is this: a fully online event is very unlikely. More likely would be a semi-interactive online event, with the broadcasting of pre-recorded talks and a real-time channel for interaction. We have not completely ruled out the possibility of just postponing the physical event, but that solution is not very probable. Finally, if we go for an online event, I will make sure that it will be free and open for anyone to "attend". So, this is what I can tell you right now. Finally, I also want to extend my warmest thanks to all the persons who showed their support (notably financial, which is critical), by staying optimistic and registering anyway, hoping for the best. This means a lot. Stay safe! -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

4 years, 8 months

[Onward! Essays] COVID-19 update

by Didier Verna

Dear all, In view of the uncertainties around the COVID-19 pandemic, as an effort to relieve stress on authors: - The SPLASH conference has asked all co-located events to uniformly delay their paper submission deadlines. - The Onward! Essays track submission deadline has been shifted by one month, i.e., to May 23, 2020. The reviewing timeline has also been shifted accordingly. We are currently still planning to hold Onward! as part of SPLASH’20 in November in Chicago. Consult the SPLASH’20 home page for details and updates. Onward! is committed to timely publication of all accepted papers by the originally planned conference date. https://2020.splashcon.org/track/splash-2020-Onward-Essays -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

4 years, 9 months

TFM 1.1 "Carolingan Miniscules" is released

by Didier Verna

I'm happy to announce the release of TFM 1.1, a TeX Font Metrics parser library for Common Lisp. This release provides support for font scaling and freezing. Scaling is done, as in TeX, by overriding the font's design size, all other dimensions remaining relative to it. Freezing, on the other hand, converts all relative dimensions into absolute ones, potentially saving a lot of run-time arithmetic computation. Get it at the usual place: https://www.lrde.epita.fr/~didier/software/lisp/typesetting.php#tfm -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

4 years, 9 months

[Seminaire-LRDE] Séminaire du 18 Mars 2020 **Annulé**

by Nicolas BOUTRY

Bonjour à toutes et à tous, Au vu des circonstances, nous sommes dans l’obligation de reporter le séminaire de Stefan Schwoon à plus tard. Je vous présente toutes mes excuses pour la gène occasionnée. Bien cordialement, Nicolas Boutry _______________________________________________ seminaire mailing list seminaire(a)lrde.epita.fr https://lists.lrde.epita.fr/listinfo/seminaire

4 years, 9 months

[Seminaire-LRDE] Mercredi 18 mars 2020: Stefan Schwoon, ENS Paris-Saclay

by Nicolas BOUTRY

Chers collègues, La prochaine session du séminaire Performance et Généricité du LRDE (Laboratoire de Recherche et Développement de l'EPITA) aura lieu le Mercredi 18 mars 2020 (11h -- 12h), Amphi Masters. Vous trouverez sur le site du séminaire [1] les prochaines séances, les résumés, captations vidéos et planches des exposés précédents [2], le détail de cette séance [3] ainsi que le plan d'accès [4]. [1] http://seminaire.lrde.epita.fr [2] http://seminaire.lrde.epita.fr/Archives [3] http://seminaire.lrde.epita.fr/2020-03-18 [4] http://www.lrde.epita.fr/wiki/Contact Au programme du Mercredi 18 mars 2020 : * 11h -- 12h: Diagnosis and Opacity in Partially Observable Systems -- Stefan Schwoon, ENS Paris-Saclay http://www.lsv.fr/~schwoon/ In a partially observable system, diagnosis is the task of detecting the certain events, for instance fault occurrences. In the presence of hostile observers, on the other hand, one is interested in rendering a system opaque, i.e. making it impossible to detect certain "secret" events. The talk will present some decidability and complexity results for these two problems when the system is represented as a finite automaton or a Petri net. We then also consider the problem of active diagnosis, where the observer has some control over the system. In this context, we study problems such as the computational complexity of the synthesis problem, the memory required for the controller, and the delay between a fault occurrence and its detection by the diagnoser. The talk is based on joint work with B.Bérard, S.Haar, S.Haddad, T.Melliti, and S.Schmitz. -- Stefan Schwoon studied Computer Science at the University of Hildesheim and received a PhD from the Technical University of Munich in 2002. He held the position of Scientific Assistent at the University of Stuttgart from 2002 to 2007, and at the Technical University in Munich from 2007 to 2009. He is currently Associate Professor (Maître de conférences) in the Laboratoire Spécification et Vérification (LSV), ENS Paris-Saclay, and a member of the INRIA team Mexico. His research interests include model checking and diagnosis on concurrent and partially-observable systems. L'entrée du séminaire est libre. Merci de bien vouloir diffuser cette information le plus largement possible. N'hésitez pas à nous faire parvenir vos suggestions d'orateurs. -------------- section suivante -------------- Une pièce jointe HTML a été nettoyée... URL: <http://lists.lrde.epita.fr/pipermail/seminaire/attachments/20200308/89850cb…> _______________________________________________ seminaire mailing list seminaire(a)lrde.epita.fr https://lists.lrde.epita.fr/listinfo/seminaire

4 years, 9 months

[Seminaire-LRDE] Mercredi 18 mars 2020: Stefan Schwoon, ENS Paris-Saclay

by Nicolas BOUTRY

Chers collègues, La prochaine session du séminaire Performance et Généricité du LRDE (Laboratoire de Recherche et Développement de l'EPITA) aura lieu le Mercredi 18 mars 2020 (11h -- 12h), Amphi Masters. Vous trouverez sur le site du séminaire [1] les prochaines séances, les résumés, captations vidéos et planches des exposés précédents [2], le détail de cette séance [3] ainsi que le plan d'accès [4]. [1] http://seminaire.lrde.epita.fr [2] http://seminaire.lrde.epita.fr/Archives [3] http://seminaire.lrde.epita.fr/2020-03-18 [4] http://www.lrde.epita.fr/wiki/Contact Au programme du Mercredi 18 mars 2020 : * 11h -- 12h: Diagnosis and Opacity in Partially Observable Systems -- Stefan Schwoon, ENS Paris-Saclay http://www.lsv.fr/~schwoon/ In a partially observable system, diagnosis is the task of detecting the certain events, for instance fault occurrences. In the presence of hostile observers, on the other hand, one is interested in rendering a system opaque, i.e. making it impossible to detect certain "secret" events. The talk will present some decidability and complexity results for these two problems when the system is represented as a finite automaton or a Petri net. We then also consider the problem of active diagnosis, where the observer has some control over the system. In this context, we study problems such as the computational complexity of the synthesis problem, the memory required for the controller, and the delay between a fault occurrence and its detection by the diagnoser. The talk is based on joint work with B.Bérard, S.Haar, S.Haddad, T.Melliti, and S.Schmitz. -- Stefan Schwoon studied Computer Science at the University of Hildesheim and received a PhD from the Technical University of Munich in 2002. He held the position of Scientific Assistent at the University of Stuttgart from 2002 to 2007, and at the Technical University in Munich from 2007 to 2009. He is currently Associate Professor (Maître de conférences) in the Laboratoire Spécification et Vérification (LSV), ENS Paris-Saclay, and a member of the INRIA team Mexico. His research interests include model checking and diagnosis on concurrent and partially-observable systems. L'entrée du séminaire est libre. Merci de bien vouloir diffuser cette information le plus largement possible. N'hésitez pas à nous faire parvenir vos suggestions d'orateurs. _______________________________________________ Seminaire mailing list Seminaire(a)lrde.epita.fr https://lists.lrde.epita.fr/listinfo/seminaire

4 years, 9 months

[CfP] Onward! Essays 2020, November 18--20, Chicago, USA

by Didier Verna

Onward! Essays 2020 ACM SIGPLAN International Symposium on New Ideas, New Paradigms, and Reflections on Programming and Software Renaissance Chicago Downtown Hotel Chicago, USA November 18--20 2020 Part of SPLASH 2020 Systems, Programming Languages and Applications: Software for Humanity https://2020.splashcon.org/track/splash-2020-Onward-essays Onward! is a premier multidisciplinary conference focused on everything to do with programming and software: including processes, methods, languages, communities, applications and education. Compared to other conferences, Onward! is more radical, more visionary, and more open to ideas that are well-argued but not yet proven. It is not looking for research-as-usual papers. To allow room for bigger, bolder and/or less mature ideas, it accepts less exact methods of validation, such as compelling arguments, exploratory implementations, and substantial examples. Onward! Essays is looking for clear and compelling pieces of writing about topics important to the software community (there is also a parallel Papers track with a seperate announcement). An essay can be an exploration of the topic and its impact, or a story about the circumstances of its creation; it can present a personal view of what is, explore a terrain, or lead the reader in an act of discovery; it can be a philosophical digression or a deep analysis. It can describe a personal journey, perhaps the one the author took to reach an understanding of the topic. The subject area—software, programming, and programming languages—should be interpreted broadly and can include the relationship of software to human endeavors, or its philosophical, sociological, psychological, historical, or anthropological underpinnings. Format and Selection: Onward! essays must describe unpublished work that is not currently submitted for publication elsewhere as described by SIGPLAN's Republication Policy. Submitters should also be aware of ACM's Policy and Procedures on Plagiarism. Onward! essays should use the ACM SIGPLAN Conference acmart format. Please refer to the conference's website above for full details. The Onward! Essays track follows a two-phase review process. Essays are peer-reviewed in a single-blind manner. Accepted essays will appear in the Onward! Proceedings in the ACM Digital Library, and must be presented at the conference. Submissions will be judged on the potential impact of the ideas and the quality of the presentation. Important dates: All deadlines are midnight, anywhere on Earth. Essay submission: 23 April First-round notification: 11 June Second-round submission: 15 July Final notification: 30 July Conference: 18--20 November Programme Committee: Didier Verna, EPITA Research lab, France (Program Chair) Anya Helene Bagge, University of Bergen, Norway Alexandre Bergel, University of Chile Jean Bresson, Ableton, Germany Maxime Chevalier-Boisvert, Université de Montréal, Québec Elisa Gonzalez Boix, Vrije Universiteit Brussel, Belgium Hidehiko Masuhara, Tokyo Institute of Technology, Japan Kent Pitman, PTC, USA Donya Quick, Stevens Institute of Technology, USA Gordana Rakić, University of Novi Sad, Serbia -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

4 years, 9 months

[Seminaire-LRDE] Mercredi 12 février 2020: Georges Uzbelger, IBM France

by Nicolas BOUTRY

Chers collègues, La prochaine session du séminaire Performance et Généricité du LRDE (Laboratoire de Recherche et Développement de l'EPITA) aura lieu le Mercredi 12 février 2020 (10h -- 11h30), Amphi 1. Vous trouverez sur le site du séminaire [1] les prochaines séances, les résumés, captations vidéos et planches des exposés précédents [2], le détail de cette séance [3] ainsi que le plan d'accès [4]. [1] http://seminaire.lrde.epita.fr [2] http://seminaire.lrde.epita.fr/Archives [3] http://seminaire.lrde.epita.fr/2020-02-12 [4] http://www.lrde.epita.fr/wiki/Contact Au programme du Mercredi 12 février 2020 : * 10h -- 11h30: Informatique Quantique -- Georges Uzbelger, IBM France http://www.ibm.com/cognitive/ Dans ce séminaire, nous parlerons d'une technologie émergente qu'est l'informatique quantique, exploitant les phénomènes quantiques de l'infiniment petit. Nous verrons que, quand dans le monde de l'informatique classique, les données sont représentées par des bits valant chacun 0 ou 1 exclusivement, alors que l'informatique quantique est déroutante dans le sens où les qubits (bits quantiques) peuvent valoir simultanément 0 et 1. Afin de pouvoir appréhender cette technologie, nous rappellerons ce que sont la dualité onde/corpuscule, la superposition d'états, ainsi que intrication quantique. Nous verrons aussi comment IBM a créé le premier processeur quantique (ou QPU) quelques dizaines d'années après l'idée révolutionnaire du père de l'informatique quantique, Richard Feynman, et quels sont les défis technologiques qui en découlent. Nous verrons que l’informatique quantique offre de nouvelles perspectives dans les domaines comme la cryptographie et l'intelligence artificielle pour ne citer qu'eux. Une étude des complexités des différents algorithmes vus durant le séminaire sera évoqué. Durant cette plénière interactive, une démonstration sera réalisée via l’environnement de développement Qiskit avec accès à distance à une machine quantique IBM. Merci donc d'apporter votre ordinateur portable ! -- Diplômé de l’Université Paris IX Dauphine en Mathématiques et Applications Fondamentales, Georges Uzbelger est depuis 2002 ingénieur chez IBM France, en charge actuellement de prestations de consulting et de design de solutions dans le domaine de l’IA, de l’advance analytics et de l’informatique quantique. Il participe au programme IBM Quantum Experience pour le développement de l’informatique quantique et notamment du calcul et de l’algorithmique quantique. Adhérent à la SMF (Société Mathématique de France) entre autre, il enseigne également à l’Ecole Polytechnique, à Sorbonne Université (UPMC) et à l’Université Paris-Dauphine. L'entrée du séminaire est libre. Merci de bien vouloir diffuser cette information le plus largement possible. N'hésitez pas à nous faire parvenir vos suggestions d'orateurs. _______________________________________________ Seminaire mailing list Seminaire(a)lrde.epita.fr https://lists.lrde.epita.fr/listinfo/seminaire

4 years, 10 months

[CfP] Reminder: 13rd European Lisp Symposium, April 27-28, Zürich

by Didier Verna

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 13th European Lisp Symposium Special Focus on Compilers In cooperation with: ACM SIGPLAN Call for papers April 27 - April 28, 2020 GZ Riesbach Zürich, Switzerland http://www.european-lisp-symposium.org/2020 Sponsored by EPITA, Igalia S.L. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Invited Speakers ~~~~~~~~~~~~~~~~ Andrew W. Keep (Cisco Systems, Inc.), on the Nanopass Framework. Daniel Kochmański (Turtleware), on ECL, the Embeddable Common Lisp. Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: February 13, 2020 - Author notification: March 16, 2020 - Final papers due: April 6, 2020 - Symposium: April 27 - 28, 2020 Scope ~~~~~ The purpose of the European Lisp Symposium is to provide a forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp dialects, including Common Lisp, Scheme, Emacs Lisp, Clojure, Racket, ACL2, AutoLisp, ISLISP, Dylan, ECMAScript, SKILL and so on. We encourage everyone interested in Lisp to participate. The European Lisp Symposium 2020 invites high quality papers about novel research results, insights and lessons learned from practical applications, and educational perspectives. We also encourage submissions about known ideas as long as they are presented in a new setting and/or in a highly elegant way. This year's focus will be directed towards "Compilers". We especially invite submissions in the following areas: - Compiler techniques - Compiler passes - Compiler compilers - Showcasing of industrial or experimental compilers - Code generation - Compiler verification - Compiler optimizations - JIT compilers Contributions are also welcome in other areas, including but not limited to: - Context-, aspect-, domain-oriented and generative programming - Macro-, reflective-, meta- and/or rule-based development approaches - Language design and implementation - Language integration, inter-operation and deployment - Development methodologies, support and environments - Educational approaches and perspectives - Experience reports and case studies Technical Program ~~~~~~~~~~~~~~~~~ We invite submissions in the following forms: * Papers: Technical papers of up to 8 pages that describe original results or explain known ideas in new and elegant ways. * Demonstrations: Abstracts of up to 4 pages for demonstrations of tools, libraries, and applications. * Tutorials: Abstracts of up to 4 pages for in-depth presentations about topics of special interest for at least 90 minutes and up to 180 minutes. All submissions should be formatted following the ACM SIGS guidelines and include ACM Computing Classification System 2012 concepts and terms. Submissions should be uploaded to Easy Chair, at the following http://www.easychair.org/conferences/?conf=els2020 Note: to help us with the review process please indicate the type of submission by entering either "paper", "demo", or "tutorial" in the Keywords field. Programme Chair ~~~~~~~~~~~~~~~ Ioanna M. Dimitriou H. - Igalia, Spain/Germany Local Chair ~~~~~~~~~~~ Nicolas Hafner - Shinmera, Switzerland Programme Committee ~~~~~~~~~~~~~~~~~~~ Andy Wingo - Igalia, Spain/France Asumu Takikawa - Igalia, Spain/USA Charlotte Herzeel - Imec, ExaScience Lab, Belgium Christophe Rhodes - Google, UK Irène Durand - Université Bordeaux 1, France Jim Newton - EPITA Research Lab, France Kent Pitman - HyperMeta, USA Leonie Dreschler-Fischer - University of Hamburg, Germany Marco Heisig - FAU Erlangen-Nürnberg, Germany Mark Evenson - not.org, Austria Max Rottenkolber - Interstellar Ventures, Germany Paulo Matos - Igalia, Spain/Germany Robert Goldman - SIFT, USA Robert Strandh - Université Bordeaux 1, France Sky Hester - consultant, USA -- Resistance is futile. You will be jazzimilated. Lisp, Jazz, Aïkido: http://www.didierverna.info

4 years, 11 months

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Annonce