{"id":116,"date":"2022-07-26T15:39:56","date_gmt":"2022-07-26T13:39:56","guid":{"rendered":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/?page_id=116"},"modified":"2025-09-16T15:19:41","modified_gmt":"2025-09-16T13:19:41","slug":"conferences","status":"publish","type":"page","link":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/conferences\/","title":{"rendered":"Conf\u00e9rences"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong><em>August 3 &#8211; 9 2025<\/em><\/strong>, Colloque DDG40 &#8211; Structures Alg\u00e9briques Ordonn\u00e9es. Banyuls-sur-Mer. https:\/\/ddg40.sciencesconf.org .<\/p>\n<\/blockquote>\n\n\n\n<p><strong><em>October 25 &#8211;  28 2023,<\/em><\/strong> Colloquium dedicated to Eberhard Becker on the occasion of his 80th birthday, Dortmund (Germany).<\/p>\n\n\n\n<p><strong><em>May 28-June 3 2023,  <\/em><\/strong>Model theory of valued fields, CIRM, Luminy.<\/p>\n\n\n\n<p><strong><em>March 12-18 2023<\/em><\/strong>, invited to \u00ab Real Algebraic Geometry with a View toward Koopman Operator<\/p>\n\n\n\n<p>Methods \u00bb, Mathematisches Forschungsinstitut, Oberwolfach, (Germany).<\/p>\n\n\n\n<p><strong><em>October 23-28 and October 30 &#8211; November 4 2022<\/em><\/strong>, \u00ab\u00a0Real Algebraic Geometry\u00a0\u00bb and \u00ab\u00a0Real<\/p>\n\n\n\n<p>Aspects of Geometry\u00a0\u00bb, CIRM &#8211; Luminy.<\/p>\n\n\n\n<p><strong><em>June 19-25 2022<\/em><\/strong>, invited \u00ab\u00a0Model Theory and Applications 2022\u00a0\u00bb, Cetraro meeting (Italie).<\/p>\n\n\n\n<p><strong><em>June 14-25 202<\/em>1,<\/strong> Summer school \u00ab\u00a0Symplectic, real, and tropical aspects of<\/p>\n\n\n\n<p>enumerative geometry\u00a0\u00bb and Conference \u00ab\u00a0Facets of real algebraic geometry\u00a0\u00bb, Le Croisic et<\/p>\n\n\n\n<p>Nantes.<\/p>\n\n\n\n<p><strong><em>March 1-7 2020<\/em>,<\/strong> invited to \u00ab Real Algebraic Geometry with a View Toward Hyperbolic \u00bb,<\/p>\n\n\n\n<p>Mathematisches Forschungsinstitut, Oberwolfach, (Germany)<\/p>\n\n\n\n<p><strong><em>November 3-9 2019<\/em><\/strong>, participation to the final conference \u00ab\u00a0Conference on Global Approach to<\/p>\n\n\n\n<p>the Gender Gap in Mathematical, Computing and Natural Sciences: How to Measure It, How to<\/p>\n\n\n\n<p>Reduce It?\u00a0\u00bb ; ICTP Trieste (Italy)<\/p>\n\n\n\n<p><strong><em>March 29th &#8211; April 7th 2019<\/em><\/strong> : invited speaker, On the number of connected components of<\/p>\n\n\n\n<p>smooth projective non empty real varieties., Arctic Applied Algebra, Artic University, Tromso,<\/p>\n\n\n\n<p>(Norway)<\/p>\n\n\n\n<p><strong><em>December 6-8 2018<\/em><\/strong> : invited speaker, A Global Approach to the Gender Gap in Mathematical,<\/p>\n\n\n\n<p>Computing, and Natural Sciences: How to Measure It, How to Reduce It? ; KWIM-Festtage\u201d<\/p>\n\n\n\n<p>Konstantz University (Germany)<\/p>\n\n\n\n<p><strong><em>November 23-29 2018<\/em><\/strong> : invited speaker, From Orderings to Valuation Fans and Related Topics,<\/p>\n\n\n\n<p>Algebra : celebrating Paulo Ribenboim\u2019s ninetieth birthday.<\/p>\n\n\n\n<p>https:\/\/www.ime.usp.br\/~eventoribenboim\/, University Sao Paulo, Sao Paulo, Brazil<\/p>\n\n\n\n<p><em><strong>January 7-13 2018<\/strong> : Research School, Model Theory, Combinatorics and Valued Fields, CIRM,<\/em><\/p>\n\n\n\n<p>Luminy.<\/p>\n\n\n\n<p><strong><em>December 1-3 2017<\/em><\/strong> : Regional meeting of ICSU project \u00ab A Global Approach to the Gender Gap<\/p>\n\n\n\n<p>in Mathematical and Natural Sciences: How to Measure It, How to Reduce It? \u00bb, Le cap<\/p>\n\n\n\n<p>(Afrique du Sud).<\/p>\n\n\n\n<p><strong><em>September 17-22 2017 <\/em><\/strong>: \u00ab Perspectives in Real Geometry \u00bb, CIRM, Luminy.<\/p>\n\n\n\n<p><strong><em>August 20-26 2017<\/em><\/strong> : \u00ab Sums of squares \u00bb University if Innsbruck (Autriche).<\/p>\n\n\n\n<p><strong><em>March 11-19 2017<\/em><\/strong> : \u00ab Topics in Real Geometry \u00bb, Graduate School of Mathematics, Nagoya<\/p>\n\n\n\n<p>University (Japon).<\/p>\n\n\n\n<p><strong><em>March 5-10 2017<\/em><\/strong> : \u00ab Real Algebraic Geometry with a view towards moment problems and optimization \u00bb,<\/p>\n\n\n\n<p>Mathematisches Forschungsinstitut, Oberwolfach, (Germany)<\/p>\n\n\n\n<p><strong><em>August 30-31 2016 <\/em><\/strong>: \u00ab Marshall\u2019s problem and some further developments \u00bb, invited speaker<\/p>\n\n\n\n<p>nineteenth colloquiumfest held in honor of Murray Marshall, University of Saskatchewan,<\/p>\n\n\n\n<p>Saskatoon, (Canada).<\/p>\n\n\n\n<p><strong><em>October 11-17 2015<\/em><\/strong> : \u00ab Ordered Algebraic Structures and related Topics \u00bb, CIRM, Luminy.<\/p>\n\n\n\n<p><strong><em>June 17-20 2014<\/em><\/strong> : \u00ab\u00a0Olga Taussky-Todd, sums of squares and Hilbert&rsquo;s 17th problem\u00a0\u00bb, invited<\/p>\n\n\n\n<p>speaker, Konstantz University (Germany)<\/p>\n\n\n\n<p><strong><em>April 6-12 2014<\/em><\/strong> : \u00ab Real Algebraic Geometry With A View Toward Systems Control and Free<\/p>\n\n\n\n<p>Positivity \u00bb, Mathematisches Forschungsinstitut, Oberwolfach, (Germany)<\/p>\n\n\n\n<p><strong><em>January 5-18 2014<\/em><\/strong> : Invited Professor : \u00ab R- places and related topics \u00bb, Doctorate course in<\/p>\n\n\n\n<p>summer doctoral school. Universidad de Concepcion (Chile).<\/p>\n\n\n\n<p><strong><em>January 8-9 2014<\/em><\/strong> : \u00ab Hilbert\u2019s 17th problem : an old problem with new developments \u00bb, invited<\/p>\n\n\n\n<p>talk for the closure of mini-congreso, Universidad del Bio Bio, Concepcion (Chile)<\/p>\n\n\n\n<p><strong><em>July 17-20 2013 <\/em><\/strong>: Model Theory and applications to Geometry, CMAF Universidade de Lisboa ,<\/p>\n\n\n\n<p>Lisbonne (Portugal).<\/p>\n\n\n\n<p><strong><em>July 15-20 2012<\/em><\/strong> : \u201cOn Valuation Fans and Related Topics\u201d, Invited Speaker in the XXII<\/p>\n\n\n\n<p>Brazilian Algebra Meeting ; Salvador de Bahia (Brazil).<\/p>\n\n\n\n<p><strong><em>June 15- 19 2012<\/em><\/strong> : invited to give seminar talks (Algebraic geometry and model theory<\/p>\n\n\n\n<p>seminars) in Unviversity Konstantz (Allemagne)<\/p>\n\n\n\n<p><strong><em>August 21-28 2011<\/em><\/strong> : Algebra, Combinatorics and Model Theory, Koc University, Istanbul,<\/p>\n\n\n\n<p>Turquie.<\/p>\n\n\n\n<p><strong><em>July 23-29 2011<\/em><\/strong> : \u00ab On R-places and related topics \u00bb, Invited Speaker, Second international<\/p>\n\n\n\n<p>conference and workshop on Valuations (Universit\u00e9s de Valladolid et de Madrid), El Escorial,<\/p>\n\n\n\n<p>Espagne.<\/p>\n\n\n\n<p><strong><em>December 11-23 2010 <\/em><\/strong>: Conference \u201cOn valuation fans and some elementary theories\u201d , special<\/p>\n\n\n\n<p>session Algebra and Model Theory, of the first joint meeting AMS\/SoMaChi, Pucon (Chili)<\/p>\n\n\n\n<p><strong><em>August 15-27 2010<\/em><\/strong> : participation ICWNM and ICM 2010, Hyderabad (Inde).<\/p>\n\n\n\n<p><strong><em>September 30 \u2013 October 6 2009<\/em><\/strong> : Positivity, Valuations and Quadratic Formes, Conference in<\/p>\n\n\n\n<p>honor of Alexander Prestel, University of Konstanz, Germany.<\/p>\n\n\n\n<p><strong><em>August 9-14 2009<\/em><\/strong> : ESF-EMS-ERCOM Conference on Model Theory, The Banach Center,<\/p>\n\n\n\n<p>Bedlewo, Poland.<\/p>\n\n\n\n<p><strong><em>February 15-21 2009<\/em><\/strong> : Meeting on \u201cReal Analytic and Nash Functions and Related Topics\u201d, \u201cOn<\/p>\n\n\n\n<p>the number of connected components of smooth real varieties\u201d in memoriam Alberto Tognoli,<\/p>\n\n\n\n<p>University of Pisa, Italy.<\/p>\n\n\n\n<p><strong><em>November 7-8 2008<\/em><\/strong> : Conference in honor of Eberhard Becker, University of Dortmund,<\/p>\n\n\n\n<p>Germany.<\/p>\n\n\n\n<p><strong><em>September 13-15 2008<\/em><\/strong>, Conference on The Model Theory of Fields. University of Freiburg,<\/p>\n\n\n\n<p>Germany.<\/p>\n\n\n\n<p><strong><em>August 4-18 2008 <\/em><\/strong>\u00ab\u00a0On the number of connected components of smooth real varieties\u201d,<\/p>\n\n\n\n<p>Conference in honor of J.-J. Risler : \u201cAround Hilbert\u2019s 16th problem\u201d, and Escola de Algebra,<\/p>\n\n\n\n<p>IMPA, Rio de Janeiro, Brazil.<\/p>\n\n\n\n<p><strong><em>May 26 &#8211; June 02 2008<\/em><\/strong>, \u00ab\u00a0Real Holomorphy Rings and the Complete Real Spectrum\u00a0\u00bb, 5th Linear<\/p>\n\n\n\n<p>Algebra Workshop, University of Ljublijana, Kranjska Gora, Slovenia.<\/p>\n\n\n\n<p>J<strong><em>anuary 14-21 2008<\/em><\/strong>, \u201cFrom Orderings to Valuation Fans\u201d , Colloquium talk and research stay<\/p>\n\n\n\n<p>at University of Hawaii at Manoa, USA.<\/p>\n\n\n\n<p><strong><em>January 8-14 2008<\/em><\/strong>, \u201cFrom Artin Schreier to Valuation Fans\u201d, Colloquium talk, and Real<\/p>\n\n\n\n<p>Holomorphy Rings and the Complete Real Spectrum\u201d, Seminar talk, University of Saskatchewan,<\/p>\n\n\n\n<p>Canada.<\/p>\n\n\n\n<p><strong><em>April 24-30 2007<\/em><\/strong>, \u201cOn Real Holomorphy Rings of Rings\u201d, invited speaker in Conference on<\/p>\n\n\n\n<p>Oredered Rings, Louisiana State University, Baton Rouge, USA (Honoring Melvin Henriksen on<\/p>\n\n\n\n<p>his 80th birthday).<\/p>\n\n\n\n<p><strong><em>November 25-27 2006<\/em><\/strong>, \u201cOn Theories of Closures of fields equipped with valuation fans\u201d, invited<\/p>\n\n\n\n<p>conference for the Model Theory of Fields, University of Freiburg, Germany.<\/p>\n\n\n\n<p><strong><em>October 7-14 2006<\/em><\/strong>, invitation to attend workshop \u00ab\u00a0Positive Polynomials\u00a0\u00bb, Pacific Institute for<\/p>\n\n\n\n<p>Mathematical Sciences, Banff, Canada.<\/p>\n\n\n\n<p><strong><em>October 5-6 2006<\/em><\/strong>, Invitation mini-conference \u201cTopics in Real Algebraic Geometry\u201d, University<\/p>\n\n\n\n<p>of Saskatchewan, Saskatoon, Canada.<\/p>\n\n\n\n<p><strong><em>Avril 2-8 2006<\/em><\/strong>, \u00a0\u00bbReading Stengle\u00a0\u00bb, conference in worshop Sources for Real Geometry\u00a0\u00bb, held in<\/p>\n\n\n\n<p>Cortona, Scuola Normale Superiore di Pisa, Italy.<\/p>\n\n\n\n<p><strong><em>March 20-26 2006<\/em><\/strong>, \u00ab\u00a0On Valuation Fans\u00a0\u00bb, invited speaker in Workshop on \u00a0\u00bbValuation Theory<\/p>\n\n\n\n<p>and its Application\u00a0\u00bb, in memoriam Otto Endler, University of Campinas, Brazil ;<\/p>\n\n\n\n<p><strong><em>March 17 2006<\/em><\/strong>, \u00ab\u00a0Number of connected components of real algebraic varieties\u00a0\u00bb, Seminar of<\/p>\n\n\n\n<p>Algebra, Universidad de Buenos Aires, Argentina.<\/p>\n\n\n\n<p><strong><em>September 4 &#8211; 9 2005<\/em><\/strong>, participation to the Annual RAAG meeting, University of Passau,<\/p>\n\n\n\n<p>Germany.<\/p>\n\n\n\n<p><strong><em>March 28-April 7 2005<\/em><\/strong>, participation to Workshop, \u00ab\u00a0An Introduction to recent applications of<\/p>\n\n\n\n<p>Model Theory\u00a0\u00bb, Isaac Newton Institute, Cambridge, Great Britain.<\/p>\n\n\n\n<p><strong><em>November 7-16 2004<\/em><\/strong>, \u00ab\u00a0Number of connected components and R-places\u00a0\u00bb, Seminar conference,<\/p>\n\n\n\n<p>University of Saskatchewan, Saskatoon, Canada.<\/p>\n\n\n\n<p><strong><em>September 11-16 2004<\/em><\/strong>, \u00ab\u00a0Nombre de composantes connexes d&rsquo;une vari\u00e9t\u00e9 r\u00e9elle\u00a0\u00bb, meeting on<\/p>\n\n\n\n<p>Real Algebraic and Analytic Geometry, Universit\u00e9 de Kenitra, Mehdia, Marocco.<\/p>\n\n\n\n<p><strong><em>July 14-27 2004<\/em><\/strong>, \u00ab\u00a0Algebraic closures of a field equipped with a valuation fan\u00a0\u00bb, XVIII Escola de<\/p>\n\n\n\n<p>Algebra, Campinas, Brazil.<\/p>\n\n\n\n<p><strong><em>June 21-27 2004<\/em><\/strong>, participation to the annual meeting RAAG \u00a0\u00bbReal Algebraic and Analytic<\/p>\n\n\n\n<p>Geometry\u00a0\u00bb, Universidades de Madrid et Santander, Salamanca, Spain.<\/p>\n\n\n\n<p><strong><em>April 12-16 2004<\/em><\/strong> : \u00ab\u00a0Number of connected components and R-places\u00a0\u00bb, Mathematical Sciences<\/p>\n\n\n\n<p>Research Institute\u00a0\u00bb, Berkeley USA.<\/p>\n\n\n\n<p><strong><em>March 22-26 2004<\/em><\/strong> : participant to the RAAG european network meeting \u00ab\u00a0Singularity theory\u00a0\u00bb, in<\/p>\n\n\n\n<p>honour of Stanislaw Lojasiewcz, Cracovie, Poland.<\/p>\n\n\n\n<p><strong><em>March 11-12 2004<\/em><\/strong> : participant to \u00ab\u00a0representation of semidefinite positive functions as sums of<\/p>\n\n\n\n<p>squares and related topics\u00a0\u00bb. University of Pisa, Italy.<\/p>\n\n\n\n<p><strong><em>January 8-20 2004<\/em><\/strong> : invited conference \u00ab\u00a0Towards a theory of R-places in spaces of orderings\u00a0\u00bb,<\/p>\n\n\n\n<p>XII\u00b0 Simposio Latinoamericano de Logica matematica, Universidad de Costa Rica, San Jose,<\/p>\n\n\n\n<p>Costa Rica.<\/p>\n\n\n\n<p><strong><em>November 11-18 2003<\/em><\/strong> : invited conference \u00a0\u00bb Higher level orderings and R-places\u00a0\u00bb and work in<\/p>\n\n\n\n<p>collaboration with professor Murray Marshall, University of Saskatchewan, Saskatoon, Canada.<\/p>\n\n\n\n<p><strong><em>October 22- 26 2003<\/em><\/strong> : invited conference \u00ab\u00a0From higher level orderings to R-places\u00a0\u00bb , meeting<\/p>\n\n\n\n<p>on Real Algebra, European Network RAAG, Universit\u00e4t Dortmund, Germany.<\/p>\n\n\n\n<p><strong><em>April 2003<\/em><\/strong> : participant to the annual RAAG meeting, and stay centro di Ricerca Matematica<\/p>\n\n\n\n<p>Ennio de Giorgi, Pisa, Italy.<\/p>\n\n\n\n<p><strong><em>D\u00e9cember 2002<\/em><\/strong> : participant to the \u00ab\u00a0Quadratic Forms\u00a0\u00bb meeting, Talca-Pucon, University of<\/p>\n\n\n\n<p>Talca, Chile.<\/p>\n\n\n\n<p><strong><em>September 2002<\/em><\/strong> : participant to the Conf\u00e9rence \u00ab Real Algebraic and Analytic geometry\u00bb,<\/p>\n\n\n\n<p>european network RAAG, Kazimierz, Poland.<\/p>\n\n\n\n<p><strong><em>August 2002 <\/em><\/strong>: participation ICM 2002, Beijing, China.<\/p>\n\n\n\n<p><strong><em>May 2002<\/em><\/strong> : invitation Euro-Conf\u00e9rence in \u00abModel Theory and Applications \u00bb, University of<\/p>\n\n\n\n<p>Napoli, Ravello, Italy.<\/p>\n\n\n\n<p><strong><em>March 2002 <\/em><\/strong>: invited \u00ab Colloquiumfest on Valuation Theory \u00bb, University of Saskatchewan,<\/p>\n\n\n\n<p>Saskatoon, Canada.<\/p>\n\n\n\n<p><strong><em>November 2000<\/em><\/strong> : invited conference, \u00ab\u00a0From Hilbert&rsquo;s 17th problem to valuation fans\u00a0\u00bb,<\/p>\n\n\n\n<p>University of Saskatchewan, Saskatoon, Canada.<\/p>\n\n\n\n<p><strong><em>July-August 1999<\/em><\/strong> : invitation to the \u00ab International Conference and Workshop on Valuation<\/p>\n\n\n\n<p>Theory \u00bb, University of Saskatchewan, Saskatoon, Canada.<\/p>\n\n\n\n<p><strong><em>September 1998<\/em><\/strong> : invitation by CIRM of Trento, \u00ab\u00a0Real Algebraic and Analytic Geometry\u00a0\u00bb,<\/p>\n\n\n\n<p>Levico, Italy.<\/p>\n\n\n\n<p><strong><em>June 1998 <\/em><\/strong>: invited to the Workshop on \u00a0\u00bbModel Theory, Algebra and Arithmetic\u00a0\u00bb, Mathematical<\/p>\n\n\n\n<p>Sciences Research Institute, Universit\u00e9 de Berkeley, U.S.A..<\/p>\n\n\n\n<p><strong><em>October 1997<\/em><\/strong> : invited conference University of Trento, Italy.<\/p>\n\n\n\n<p><strong><em>September 1997<\/em><\/strong> : invitation to HCM-Workshop \u00ab\u00a0Spectral Spaces in Real and p-adic Geometry\u00a0\u00bb,<\/p>\n\n\n\n<p>University of Dortmund, Germany.<\/p>\n\n\n\n<p><strong><em>May 1997 <\/em><\/strong>: invited conference, Generalizations of Real-closed fields theory, University of Pise,<\/p>\n\n\n\n<p>Italy.<\/p>\n\n\n\n<p><strong><em>September 1996<\/em><\/strong> : \u00ab Real Algebraic and Analytic Geometry \u00bb, University of Gen\u00e8ve,<\/p>\n\n\n\n<p>(Switzerland).<\/p>\n\n\n\n<p><strong><em>April 1996 <\/em><\/strong>: invited conference : special session of AMS meeting on \u00ab\u00a0Real Algebraic Geometry<\/p>\n\n\n\n<p>and Ordered Structures\u00a0\u00bb Baton Rouge, Louisiane, U.S.A., and research stay (part of the \u00ab\u00a0special<\/p>\n\n\n\n<p>semester\u00a0\u00bb) .<\/p>\n\n\n\n<p><strong><em>June 1995<\/em><\/strong> : invited conference in \u00ab\u00a0School on Model Theory and Real Algebraic Geometry\u00a0\u00bb, and<\/p>\n\n\n\n<p>\u00ab\u00a0Real Algebraic and Analytic Geometry\u00a0\u00bb, Universities of Madrid Santander, Segovia (Spain).<\/p>\n\n\n\n<p><strong><em>June 1994 <\/em><\/strong>: invited professor \u00e0 l&rsquo;Universit\u00e9 de Dortmund, Germany, cooperation Program<\/p>\n\n\n\n<p>Procope.<\/p>\n\n\n\n<p><strong><em>May 1994<\/em><\/strong> : participant to the meeting \u00ab\u00a0Real Algebraic and Analytic Geometry\u00a0\u00bb organized by<\/p>\n\n\n\n<p>University of Amsterdam in Soesterberg (Holland).<\/p>\n\n\n\n<p><strong><em>March 1993<\/em><\/strong> : invited professor, University of Dortmund (Germany), cooperation Program<\/p>\n\n\n\n<p>Procope.<\/p>\n\n\n\n<p><strong><em>September 1992<\/em><\/strong> : invited conference, \u00a0\u00bbReal Algebraic and Analytic Geometry\u00a0\u00bb, C.I.R.M.<\/p>\n\n\n\n<p>Trento, Italy.<\/p>\n\n\n\n<p><strong><em>May 1992 <\/em><\/strong>: invitation to the meeting \u201cQuadratische Formen\u201c Mathematisches<\/p>\n\n\n\n<p>Forschungsinstitut Oberwolfach, Germany.<\/p>\n\n\n\n<p><strong><em>November 1991 <\/em><\/strong>: invited professor, Universit\u00e4t Dortmund, Germany, cooperation Program<\/p>\n\n\n\n<p>Procope.<\/p>\n\n\n\n<p><strong><em>June 1989<\/em><\/strong> : invited professor Universit\u00e4t Dortmund (R.F.A.), cooperation program Procope.<\/p>\n\n\n\n<p><strong><em>October 1988 <\/em><\/strong>: invited conference, \u00ab\u00a0Real Algebraic and Analytic Geometry\u00a0\u00bb, C.I.R.M. Trento<\/p>\n\n\n\n<p>(Italy).<\/p>\n\n\n\n<p><strong><em>August 1988<\/em><\/strong> : participation to the \u00ab\u00a0Logic Colloqium 88\u00a0\u00bb, Padova, Italy.<\/p>\n\n\n\n<p><strong><em>July 1987<\/em><\/strong> : conference in \u00ab\u00a0Logic Colloquium 87\u00a0\u00bb, Granada, Spain.<\/p>\n\n\n\n<p><strong><em>April 1987 <\/em><\/strong>: invited conference, meeting on \u00ab\u00a0Reelle Algebraische Geometrie\u00a0\u00bb, Mathematisches<\/p>\n\n\n\n<p>Forschungsinstitut Oberwolfach, R.F.A..<\/p>\n\n\n\n<p><strong><em>August 1986<\/em><\/strong> : participation ICM 1986, University of Berkeley, U.S.A..<\/p>\n\n\n\n<p><strong><em>July 1986 <\/em><\/strong>: invitation to \u00ab\u00a0Quadratic Forms and Real Algebraic Geometry\u00a0\u00bb, Oregon State<\/p>\n\n\n\n<p>University, Corvallis, U.S.A..<\/p>\n\n\n\n<p><strong><em>July 1983<\/em><\/strong> : invited and member of the organizing committee, A.M.S.- N.A.T.O. \u00ab\u00a0Ordered Fields<\/p>\n\n\n\n<p>and Real Algebraic Geometry\u00a0\u00bb, Boulder, Colorado, U.S.A..<\/p>\n\n\n\n<p><strong><em>January 1981<\/em><\/strong> : invited conference, 87th A.M.Smeeting., special session on \u00ab\u00a0Ordered Fields and<\/p>\n\n\n\n<p>Real Algebraic Geometry\u00a0\u00bb, San Francisco, Californie, U.S.A..<\/p>\n\n\n\n<p><strong><em>August 1978<\/em><\/strong> : participant ICM 1978, Helsinki, Finland.<\/p>\n\n\n\n<p><strong><em>D\u00e9cember 1973<\/em><\/strong> : invitation Bedford College de London, Great Britain.<\/p>\n\n\n\n<p><strong><em>June-July 1973<\/em><\/strong> : invitation Open House, Queen&rsquo;s University, Kingston, Ontario, Canada<\/p>\n","protected":false},"excerpt":{"rendered":"<p>August 3 &#8211; 9 2025, Colloque DDG40 &#8211; Structures Alg\u00e9briques Ordonn\u00e9es. Banyuls-sur-Mer. https:\/\/ddg40.sciencesconf.org . October 25 &#8211; 28 2023, Colloquium dedicated to Eberhard Becker on the occasion of his 80th birthday, Dortmund (Germany). May 28-June 3 2023, Model theory of valued fields, CIRM, Luminy. March 12-18 2023, invited to \u00ab Real Algebraic Geometry with a [&hellip;]<\/p>\n","protected":false},"author":81,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-116","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/pages\/116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/users\/81"}],"replies":[{"embeddable":true,"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/comments?post=116"}],"version-history":[{"count":7,"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/pages\/116\/revisions"}],"predecessor-version":[{"id":143,"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/pages\/116\/revisions\/143"}],"wp:attachment":[{"href":"https:\/\/perso.imj-prg.fr\/danielle-gondard\/wp-json\/wp\/v2\/media?parent=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}