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PresentationThe ambition of the meeting is to engage discussion about fundamental questions regarding urban theories and modeling. Invited keynote speeches will be followed each by a roundtable of presentations and discussion. &#160;Related major results from the ERC will also be presented. The intention of the workshop is to summarize the state of knowledge and prepare an agenda for future research.ProgramERC &#160;GeoDiverCity International WorkshopTheories and models of urbanizationThursday 12th and Friday 13th October 2017Location: &#160;Institute of Complex Systems of Paris-Ile-de-France113 rue Nationale, 75013 PARIS (m&#233;tro Nationale Line 6)Thursday October 12th9h30-11h Urban theories and complexity (1)Keynote: Michael Batty&#8220;Which complexity for urban systems?&#8221;Discussion: Olivier Bouba-Olga: "Innovation, In and Out of the City"Juste Raimbault: &#8220;Complexity, Complexities and Complex Knowledges&#8221;11h - 11h30 coffee break11h30 - 13h GeoDiverCity: Building models: experimentation of theories and reproducibilityKeynote&#160;: Romain Reuillon&#8220;Towards Computer Assisted Modeling&#160;&#8220;Discussion around OpenMOLE: Paul Chapron, Guillaume Ch&#233;rel, Clementine Cottineau, Mathieu Leclaire, Sebastien Rey-Coyrehourcq13h - 14h buffet lunch14h - 15h30 Urban theories and complexity (2)Keynote: Elsa Arcaute&#8220;Scaling laws, its limitations and performance of cities&#8221;Discussion:Horacio Samaniego (with Mauricio Franco and Boris Sotomayor): &#8220;Reaching Out&#8221; in Larger Cities&#8221;Francisco Maturana: &#8220;The Topology of Communicating Across Cities of Increasing Sizes, or the Complex Task of &#8220;Reaching Out&#8221; in Larger Cities&#8221;15h30 - 16h coffee break16h - 17h &#160;GeoDiverCity: Are scaling laws transferable towards urban theories?Presentations: Olivier Finance and Elfie Swerts17h - 18h30 Urban theories and big dataKeynote: Marc Barthelemy&#8220;Revisiting economics for understanding urban data&#8221;Discussion: Arnaud Banos, C&#233;line RozenblatFriday October 13th9h30 - 11h00Economy versus geography: theories of urbanization and cities developmentKeynote: Michael Storper"The Growth and Decline of Cities: &#160;a perspective from economic geography"Discussion: Lena Sanders, C&#233;line Vacchiani-Marcuzzo and Isabelle Thomas11h - 11h30 coffee break11h30 - 13h GeoDiverCity: Economy versus geography: theories of urbanization and cities development (2)Presentations: Cl&#233;mentine Cottineau and Sol&#232;ne Baffi"What is emerging ? Understanding urbanisation dynamics in BRICS countries through a geographical approach, the case of Russia and South Africa"Which theories and models from and for big data?Presentations:Thomas Louail :&#8220;Denoising data with talk: augmented interviews to better understand spatial behavior&#8221;Robin Cura: &#8220;Visual exploration and simulation of large and long data of urban growth&#8221;.13h00 - 14h00 buffet lunch14h - 15h30 Urban theories and international comparisonKeynote: Fulong Wu&#8220;Urban theories and urbanization processes: is China specific?&#8221;Discussion: Natacha Aveline, Elfie Swerts15h30 - 17h Concluding round tableInternational comparisons: harmonization of data, comparability of results, level of universality for theories and modelsEric Denis, Denise Pumain: questions to Elsa Arcaute, Mike Batty, Marc Barthelemy, Michael Storper and Fulong WuKeynotes speeches will be delivered by Michael Storper, Michael Batty, Romain Reuillon, Elsa Arcaute, Marc Barthelemy and Fulong Wu. Distinguished scholars will comment their contributions and present their own vision about these questions.Free registration and provisionnal programme: http://geodivercity.parisgeo.cnrs.fr/blog/international-workshop/ L'atelier international&#160; "Th&#233;ories et mod&#232;les de l'urbanisation" aura lieu les jeudi 12 et vendredi 13 octobre &#224; Paris, avec des contributions (en anglais) d'&#233;conomistes et de g&#233;ographes comme Michael Storper, Michael Batty et Fulong Wu, et de mod&#233;lisateurs des syst&#232;mes complexes venus de la physique ou de l'informatique comme Elsa Arcaute, Marc Barth&#233;l&#233;my et Romain Reuillon. Leurs pr&#233;sentations seront discut&#233;es par une pl&#233;iade de sp&#233;cialistes des villes et des syst&#232;mes complexes, afin d'&#233;valuer les r&#233;sultats de l'ERC GeoDiverCity et d'enrichir par de nouvelles propositions de futurs programmes de recherche. L'atelier se terminera par une table ronde anim&#233;e par Eric Denis et Denise Pumain.Inscription gratuire et programme complet: http://geodivercity.parisgeo.cnrs.fr/blog/international-workshop/ 