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Ultra-Short Multivariate Public Key Signatures – with Public Keys of Degree 2 –
Ultra-Short Multivariate Public Key Signatures { with Public Keys of Degree 2 { Jacques Patarin1, Gilles Macario-Rat2, Maxime Bros3, and Eliane Koussa1 1 Versailles Laboratory of Mathematics, UVSQ, CNRS, University of Paris-Saclay [email protected], [email protected] 2 Orange, Orange Gardens, 46 avenue de la R´epublique,F-92320 Ch^atillon,France [email protected] 3 University of Limoges, CNRS, XLIM, UMR 7252, F-87000 Limoges, France [email protected] Abstract. In this paper, we study and construct multivariate schemes with \ultra-short" signatures. We focus on the classic case where the public key is a set of multivariate polynomials of degree 2. To design ultra-short signature schemes, we consider that signing a mes- sage and verifying a signature could require up to 1 minute of computa- tion on a modern personal computer. Shorter time could be considered but at the cost of a few additional bits in the signatures, more generally, a trade-off may be found between computation time and signature size, depending on the applications one is targeting. Despite the fact that a time of 1 minute is far bigger than the time re- quired by general purpose multivariate-based signature schemes, such as Rainbow, GeMMS, and Quartz, it enables us to reach ultra-short signa- ture lengths; for instance, around 70 bit-long signatures for a security of 80 bits. In a first part, we describe generic and specific attacks against multivari- ate public key signature schemes and use them to derive the minimal parameters that an ultra-short signature scheme could have. -
L'université De Bretagne Occidentale
KEY PARTNERSHIPS RESEARCH ORGANISATIONS French National Centre for Scientific Research (CNRS) National Institute of Health and Medical Research (INSERM) French Research Institute for Exploration of the Sea (IFREMER) Institute of Research for Development (IRD) HIGHER EDUCATION INSTITUTIONS University of South Brittany (UBS) Universities of Rennes 1 and Rennes 2 University of Nantes École Centrale de Nantes [Higher school of engineering] ESC Bretagne Brest [Higher school of Management] 3, rue des Archives Institute of Nursing Training (IFSI) CS 93837 Brittany Higher National School of Advanced Techniques 29238 Brest Cedex 3 (ENSTA Bretagne) Télécom Bretagne Brest National Engineering School (ENIB) École Navale [French Naval Academy] CONTACT/ École d’ingénieurs généralistes des hautes technologies T +33 (0)2 98 01 60 00 (ISEN) [College of high technology engineering] F +33 (0)2 98 01 60 01 [email protected] École Européenne Supérieure d’Art de Bretagne (EESAB) [Brittany European School of Art] univ-brest.fr OTHER PARTNERS Regional University Hospital of Brest (CHRU) Agence des Aires Marines Protégées (Marine Protected Areas Agency) L’UNIVERSITÉ Centre d’Études Techniques Maritimes et Fluviales (CETMEF)[Centre for Maritime and Riverine Technical Studies] National Botanical Conservatory, Brest (CBN) Naval Hydrographic and Oceanographic Service (SHOM) DE BRETAGNE SUPPORT OCCIDENTALE Brest Quimper Morlaix Vannes Saint-Brieuc Rennes Regional Council of Brittany Finistère County Council Brest Métropole Océane (BMO) [Brest City Council] Quimper -
William Bishop – Paris Landscapes Will Bishop Received His Phd in French from the University of California, Berkeley in December, 2003
William Bishop – Paris Landscapes Will Bishop received his PhD in French from the University of California, Berkeley in December, 2003. His dissertation addresses questions of translation in texts by Beckett, Genet, Celan and Rimbaud. Several sections of his dissertation have been published in the journal diacritics (35:4 2005) as an article on "The Marriage Translation and the Contexts of Common Life: From the PACS to Benjamin and Beyond". He has taught French language and literature classes at the University of California, Berkeley, at the UC Center program, and a course on translation at Columbia University's program in Paris at Reid Hall. Vincent Bloch – Tastes of Paris Vincent Bloch received both his M.A. in Anthropology (1999) and his PhD in Sociology (2012) from l’École des Hautes Études en Sciences Sociales in Paris. His dissertation relied primarily on oral history, non-directive interviews and participant observation to account for the way different groups and individuals react to changing environments, new rules and, sometimes, extreme situations, in Castroist Cuba. When focusing on food scarcity in Havana, he became interested in the Anthropology of Food. Carole Viers-Andronico – Paris Scenes and French 1 Carole Viers-Andronico received her PhD in Comparative Literature from the University of California, Los Angeles in 2008 with a dissertation applying methodologies from translation studies and philosophies of aesthetics to texts produced by members of the Parisian literary group OULIPO. She is currently Academic Coordinator for the UC Paris Center programs in French Language and Culture and French and European Studies and has taught French language and literature courses at the UC Paris Center program, Comparative Literature courses at the University of California, Los Angeles and California State University, Long Beach, as well as French and Italian language and literature courses at Tulane University. -
Report from the 26Th Meeting on Toxinology,“Bioengineering Of
toxins Meeting Report Report from the 26th Meeting on Toxinology, “Bioengineering of Toxins”, Organized by the French Society of Toxinology (SFET) and Held in Paris, France, 4–5 December 2019 Pascale Marchot 1,* , Sylvie Diochot 2, Michel R. Popoff 3 and Evelyne Benoit 4 1 Laboratoire ‘Architecture et Fonction des Macromolécules Biologiques’, CNRS/Aix-Marseille Université, Faculté des Sciences-Campus Luminy, 13288 Marseille CEDEX 09, France 2 Institut de Pharmacologie Moléculaire et Cellulaire, Université Côte d’Azur, CNRS, Sophia Antipolis, 06550 Valbonne, France; [email protected] 3 Bacterial Toxins, Institut Pasteur, 75015 Paris, France; michel-robert.popoff@pasteur.fr 4 Service d’Ingénierie Moléculaire des Protéines (SIMOPRO), CEA de Saclay, Université Paris-Saclay, 91191 Gif-sur-Yvette, France; [email protected] * Correspondence: [email protected]; Tel.: +33-4-9182-5579 Received: 18 December 2019; Accepted: 27 December 2019; Published: 3 January 2020 1. Preface This 26th edition of the annual Meeting on Toxinology (RT26) of the SFET (http://sfet.asso.fr/ international) was held at the Institut Pasteur of Paris on 4–5 December 2019. The central theme selected for this meeting, “Bioengineering of Toxins”, gave rise to two thematic sessions: one on animal and plant toxins (one of our “core” themes), and a second one on bacterial toxins in honour of Dr. Michel R. Popoff (Institut Pasteur, Paris, France), both sessions being aimed at emphasizing the latest findings on their respective topics. Nine speakers from eight countries (Belgium, Denmark, France, Germany, Russia, Singapore, the United Kingdom, and the United States of America) were invited as international experts to present their work, and other researchers and students presented theirs through 23 shorter lectures and 27 posters. -
A Web-Based Collaborative Virtual Reality Environment for Distance Learning Richard Ngu Leubou*, Benoit Crespin*, Marc Trestini**, Marthe Aurelie Zintchem***
International Journal of Scientific and Research Publications, Volume 11, Issue 3, March 2021 ISSN 2250-3153 182 A web-based collaborative virtual reality environment for distance learning Richard Ngu Leubou*, Benoit Crespin*, Marc Trestini**, Marthe Aurelie Zintchem*** * University of Limoges - XLIM (UMR CNRS 7252), France ** University of Strasbourg - LISEC (EA 2310), France *** University of Yaoundé - Cameroon Abstract- Recent years have seen the emergence of virtual Our work focuses on the creation of a new virtual collaborative reality environments intended for learning activities. This platform designed for the DL context, with a double objective. situation gives rise to new innovative teaching practices and First, we seek to define a set of features and virtual behavioral tools which exploit the possibilities offered by immersion, 3D primitives (VBP) in order to create collaborative VR environ- interaction, sense of presence and virtual reality flow. The ad- ments specifically targeted at DL. The goal is to strengthen vantages for using these environments have been demonstrated the feeling of co-presence between the learners in a DL in several scientific studies for general learning activities. context and address such problems as isolation, commitment We present the specifications of a web-based virtual reality and motivation of learners linked to distance training. These environment designed specifically for collaborative learning features and VBP are identified through existing works on situations in a distance learning context. The environment collaborative VR environments, and user feedbacks collected makes it possible to address the issue of learner isolation from the users of a collaborative VR environment produced as caused by spatial and temporal distance, and to improve the part of our work. -
FINAL-PROGRAM-2.Pdf
About This Symposium If diplomacy and violence appear a priori to be contradictory, or even mutually exclusive, it is because the current definition of these two terms relies on the theorization of diplomatic practices that is taking shape in the modern era. Diplomacy, also called “the art of negotiation,” is increasingly standing out from the other forms of action in international relations to become — at least in theory — the peaceful means par excellence to resolving conflicts between states. It is this apparent contradiction between diplomacy and violence that we wish to examine in an international symposium bringing historical sources and approaches together in a global perspective, so as in particular to measure the degree of violence present during diplomatic relations between two “civilizations.” INTERNATIONAL RELATIONS, DIPLOMACY AND VIOLENCE FROM THE MEdiEVAL Organizers Makhroufi Ousmane Traoré TO THE EARLY MODERN ERA: [email protected] TOWARDS A GLOBAL APPROACH Indravati Félicité [email protected] INTERNATIONAL SYMPOSIUM Thanks to The Center for Intercultural Advancement; Cosponsored by Wagner College (New York) The Office of the Provost; ACE; Department of History; Department of Government and Politics; and the University of Paris-Sorbonne Department of Art, Art History, and Film; Department of Business Administration; Department of Education; STATEN ISLAND, NEW YORK Department of Modern Languages, Literatures, and Cultures; and The Evelyn L. Spiro School of Nursing April 19–20, 2016 Cover image: The Emperor conducting the King of France and the Sultan as captives bound together, Caricature, 17th Century, Musée National de la Renaissance, Écouen (France). Photo credit: Uploadalt / CC-BY-SA-3.0 One Campus Road • Staten Island, New York 10301 wagner.edu Makhroufi Ousmane Traoré PROGRAM Title of the Paper: The Symbolic Violence of Conversion: Bumi Jeleen’s Embassy to Lisbon (1488) Tuesday, April 19, 2016 Dr. -
Arthur Dyevre
Current as of 20 October 2007 ARTHUR DYEVRE Max Weber Programme [email protected] European University Institute tel ++39 055 4685 647 Villa la Fonte fax ++39 055 4685 647 Via delle Fontanelle, 10 I-50014 San Domenico di Fiesole (FI) Italy FACULTY POSITIONS 2007-2008: Max Weber Fellow, European University Institute, Florence (Italy) 2005-2007: Teaching Assistant, Law Faculty, University of Paris X, Nanterre (France). 2004-2005: Teaching Assistant, Law Faculty, University of Versailles/St Quentin (France). May-July 2001: Privatdozent, Law School, Johannes Gutenberg University, Mainz (Germany). Visiting positions Summer 2006: Guest Researcher, Max Planck Institute for International and Comparative Law, Heidelberg (Germany). Summer 2004: Guest Researcher, Max Planck Institute for International and Comparative Law, Heidelberg (Germany). October 2003 – March 2004: (informal) visiting researcher University of Texas at Austin School of Law, Austin TX (USA). Summer 2003: Guest Researcher, Institut für allgemeine Staatslehre und Politikwissenschaften, University of Göttingen (Germany). HIGHER EDUCATION 2007: Ph. D., Public Law, University of Paris I Pantheon Sorbonne 2002: Master’s Comparative Law (with honours, first of the class), University of Paris I Pantheon Sorbonne (first semester as affiliate graduate at St John’s College, University of Oxford) 2001: LL.M. Magister Legum (Magna Cum Laude), Johannes Gutenberg University, Mainz (Germany) / Master’s European Law (with honours), Montesquieu University, Bordeaux (France) Current as of 20 October 2007 CV for Arthur Dyevre, Page 2 of 5 2000: Licence-Maîtrise (BA), University of Nantes (France)/Johannes Gutenberg University, Mainz (Germany). LANGUAGES French: mother tongue. Portuguese: fair reading, writing, and speaking ability. English: proficient. Italian: fair reading and speaking ability. -
World Scientists' Warning of a Climate Emergency
Supplemental File S1 for the article “World Scientists’ Warning of a Climate Emergency” published in BioScience by William J. Ripple, Christopher Wolf, Thomas M. Newsome, Phoebe Barnard, and William R. Moomaw. Contents: List of countries with scientist signatories (page 1); List of scientist signatories (pages 1-319). List of 153 countries with scientist signatories: Albania; Algeria; American Samoa; Andorra; Argentina; Australia; Austria; Bahamas (the); Bangladesh; Barbados; Belarus; Belgium; Belize; Benin; Bolivia (Plurinational State of); Botswana; Brazil; Brunei Darussalam; Bulgaria; Burkina Faso; Cambodia; Cameroon; Canada; Cayman Islands (the); Chad; Chile; China; Colombia; Congo (the Democratic Republic of the); Congo (the); Costa Rica; Côte d’Ivoire; Croatia; Cuba; Curaçao; Cyprus; Czech Republic (the); Denmark; Dominican Republic (the); Ecuador; Egypt; El Salvador; Estonia; Ethiopia; Faroe Islands (the); Fiji; Finland; France; French Guiana; French Polynesia; Georgia; Germany; Ghana; Greece; Guam; Guatemala; Guyana; Honduras; Hong Kong; Hungary; Iceland; India; Indonesia; Iran (Islamic Republic of); Iraq; Ireland; Israel; Italy; Jamaica; Japan; Jersey; Kazakhstan; Kenya; Kiribati; Korea (the Republic of); Lao People’s Democratic Republic (the); Latvia; Lebanon; Lesotho; Liberia; Liechtenstein; Lithuania; Luxembourg; Macedonia, Republic of (the former Yugoslavia); Madagascar; Malawi; Malaysia; Mali; Malta; Martinique; Mauritius; Mexico; Micronesia (Federated States of); Moldova (the Republic of); Morocco; Mozambique; Namibia; Nepal; -
Reproducing Indolent B-Cell Lymphoma Transformation with T-Cell Immunosuppression in LMP1/CD40-Expressing Mice
www.nature.com/cmi Cellular & Molecular Immunology CORRESPONDENCE OPEN Reproducing indolent B-cell lymphoma transformation with T-cell immunosuppression in LMP1/CD40-expressing mice Christelle Vincent-Fabert1, Alexis Saintamand2, Amandine David1, Mehdi Alizadeh3, François Boyer 1, Nicolas Arnaud1, Ursula Zimber-Strobl4, Jean Feuillard 1 and Nathalie Faumont1 Cellular & Molecular Immunology (2019) 16:412–414; https://doi.org/10.1038/s41423-018-0197-6 Indolent B-cell lymphomas are a group of incurable cancers of absolute numbers (Fig. 1b), which was mainly due to B-cell the elderly that encompass various entities, such as chronic compartment expansion (Fig. 1c). Three weeks of immunosup- lymphocytic leukemia (CLL), follicular lymphoma (FL), and pression with CsA had no significant effect on spleen size (not marginal zone lymphoma (MZL). All indolent lymphomas may shown). After 3 months, the spleens of the control LMP1/CD40- evolve towards aggressive transformation with an increased expressing mice were further enlarged due to aging (Fig. 1a). proliferation index and decreased tumor doubling time. This However, three months of immunosuppression with CsA transformation, which is called Richter’s syndrome in CLL, is inducedmorepronouncedsplenomegaly(Fig.1a) with a associated with an aggressive clinical course and poor survival. significant increase in the absolute numbers of spleen cells At least in CLL, transformation of an indolent B-cell clone is (Fig. 1b) that was also due to an increase in the splenic B-cell molecularly different from that of de novo diffuse large B-cell content (Fig. 1c). lymphomas.1 Aging is known to be associated with immune B-cell clonality was analyzed by high-throughput sequencing of decline, with increased inflammation, decreased immune the VDJ regions (Fig. -
Université De Nantes Are Pleased to Welcome Students Already Accepted and Especially Those Who Have Just Received Their High School Diploma
2017-2018 STUDENT GUIDE 2017-2018 Welcome ! www.univ-nantes.fr/welcome [ EDITORIAL ] [ CONTENTS ] Dear students, As a new academic year begins, all of us at Université de Nantes are pleased to welcome students already accepted and especially those who have just received their high school diploma. 3 WELCOME Every year, there are more than 38,000 students preparing one of our 357 degrees within one of our 20 components. Around 4,200 international students, representing a wide range of countries, will be joining us this year and we are pleased and proud to count 13 GETTING STARTED them as part of the University. Pursuing a degree, whether in a university program, a technical or vocational field, always requires a strong personal investment. Whatever your goal may be, all of us at Université de Nantes are committed to helping you carry it out in the best conditions. 25 STUDY In implementing your project and in building your future, you also have the opportunity to get involved on campus. Yet again, we are devoted to supporting your initiatives and to guiding you in your projects. We are proud to welcome 150 student associations from a wide variety of 35 SUCCEED interests on our campuses. These associations promote expression, exchange and citizenship awareness among the student body and are all essential for the high standing of the University. We are committed to enabling project planning, fulfilment of ambition, cultivation of differences and to connecting talents. 49 STUDENT LIFE I hope you have an exciting year, full of audacity, creativity and success and I pledge a strong and unfailing support from our University. -
International Workshop
Faculté des Langues et Cultures Étrangères Chemin de la Censive du Tertre 44300 Nantes How to get there: INTERNATIONAL WORKSHOP • By tram: Line 2, stop at Ecole Centrale Audencia • By car: From Paris: A11 or bypass, Porte de Gesvres exit From Bordeaux, leave bypass, Porte de la Chapelle exit, follow the signs to the University or Petit Port /Facultés, turning left at the roundabout at the Ecole Centrale Audencia stop. WOMEN IN A PROFESSIONAL CONTEXT: UNDERLINGS BY DEFAULT? Contact: CRINI Research Secretary [email protected] (+33) 2 40 14 13 90 October 18, 2014 Room 410, FLCE University of Nantes WOMEN IN A PROFESSIONAL CONTEXT: 18 october, 2014 UNDERLINGS BY DEFAULT? (AXE 2 du CRINI) 09:00 : Opening address by Professor Georges Letissier, CRINI Director, in the presence of Dr Didier Delorme, Dean of Faculty. This international workshop will focus on the different factors, either 09:30 : Professor Miriam Glucksmann, University of Essex historical, political, social or cultural since 1945 which may help to “Thirty year reflections onWomen on the Line: changes and continuities in women’s work.” explain the current professional situation of women in different European Union countries. 10:00 : Dr Louise Dalingwater , Sorbonne Nouvelle University, Paris 3 “Women’s work/life balance and career success in the UK: a necessary trade-off?” Miriam Glucksmann is Professor of Research, 2015) and «Compassionate and Sociology at the University of Essex. She has egalitarian» (Ethnography, 2014). The British Discussion and coffee break (10:30 – 11:00) longstanding interests in work, employment Social Research Association awarded Daniel 11:00 : Dr Eglantine Jamet-Moreau, Paris-Ouest Nanterre University and gender, especially restructuring, and the 2004 Mark Abrams prize. -
Synthesis, Structure and Non-Linear Optical Properties of Tellurium Oxide Based Glasses and Glass-Ceramics
SPC TS Synthesis, structure and non-linear optical properties of tellurium oxide based glasses and glass-ceramics. David HAMANI, Olivier MASSON, Maggy COLAS, Jean-René DUCLERE, Abid BERGHOUT, Gaëlle DELAIZIR, Olivier NOGUERA, Andreï MIRGORODSKY, Philippe THOMAS. Science of Ceramic Processes and of Surface Treatments laboratory, UMR 7315 CNRS, European Ceramic Center, 12 rue Atlantis, 87068 Limoges Cedex, France INDO-FRENCH Workshop on Glasses and Glass-Ceramics. INDO-FRENCH Workshop on Glasses and Glass-Ceramics University of Lille, France, June 6-8, 2012 SPC TS Science of Ceramic Processes and of Surface Treatments UMR CNRS 7315 University of Limoges – ENSCI- CNRS www.unilim.fr/spcts Director : T. Chartier . Paris Limoges European Ceramic Center STAFF 154 people - 84 permanents 47 Professors and Associate Professors 13 CNRS researchers 24 Engineers and Technicians 70 Ph.D. Students and Post-docs INDO-FRENCH Workshop on Glasses and Glass-Ceramics University of Lille, France, June 6-8, 2012 SPC TS SPCTS is a research laboratory Involving in key domains such as: - micro/nanotechnologies ex : «nanostructured materials», MEMs - materials for electronic and optoelectronic (TIC) ex : glass with high factor of non-linearity - new technologies of energy ex : Solid oxide fuel cells (SOFC) Syngaz - Nuclear - biomaterials ex : apatites, carbonates, implants - environment ex : matrix for trapping heavy metals filtration INDO-FRENCH Workshop on Glasses and Glass-Ceramics University of Lille, France, June 6-8, 2012 SPC TS Σ-LIM: LABEX : Ceramic materials