Research

String theory

My research is principally on the landscape in string theory, in particular involving flux compactifications (see my review article).

String theory at IPhT

String theory in greater Paris region

Conferences organized

Planck 2022, Paris, May 2022 (co-organized with 8 other organisers, 200 participants) 

Eurostrings 2022 , Lyon, April 2022 (co-organized with 8 other organisers, 250 participants) 

Geometry and swampland, Banff (virtual), January 2022 (co-organized with M.Petrini and I. Valenzuela, 250 participants) 

New developments in Quantum gravity and String Theory, Corfu, September 2021 (co-organized with A. Chatzistavrakidis, D. Giataganas, A. Kehagias, D. Lüst, R. Szabo, 110 participants) 

 de Sitter constructions in String Theory, lPhT, December 2019 (co-organized with I. Bena and A. Retolaza, 50 participants)  

Colloque de l’IPhT, l’Isle sur la Sorgue, October 2018 (co-organized with J.Y. Ollitrault, M. Schiro and S. Zaffanella, 100 participants) 

1st Workshop on high energy theory and gender, CERN, September 2018 (co-organized with 9 more researchers, 90 participants) 

String dualities and geometry, Centro Atomico Bariloche, Argentina, January 2018 (co-organized with G. Aldazabal, D. Marqués and C. Nuñez, 60 participants) 

New flows and old black holes : adventures in quantum gravity and holography – A conference in celebration of Nick Warner’s 60th birthday, CEA/Saclay, June 2017 (co-organised with I. Bena, N. Bobev, M. Guica, N. Halmagyi, W. Lerche and D. Turton, 60 participants)

Second workshop on string theory and gender, IHP, Paris, June 2016 (co-organized with R. Minasian and M. Petrini, 50 participants)

de Sitter and microstate landscapes in String Theory, CEA/Saclay, June 2015 (co-organized with I. Bena, R. Minasian and S. Kuperstein, 70 participants)

18^th Itzykson meeting “Frontiers of String Theory”, CEA/Saclay, July 2013  

Forum de la théorie, CEA/Saclay, April 2013 

The supersymmetric, the extremal and the ugly - solutions in string theory, Saclay, 15-17 November 2011 

Hierarchies and symmetries, Jussieu, Paris, 19-20 September 2011

String Phenomenology 2010, College de France, Paris, 5-9 July 2010 

14th Itzykson meeting, "Recent Advances in String Theory", IPhT, 17-19 June 2009

CV

Here is my CV

Publications

Spires database

Talks

Some conference talks

• String Phenomenology 2021, organized by universities in Boston, virtual, June 2021
• Strings 2021, organized by ICTP-Saifr, Sao Paulo, virtual, June 2021
• String Phenomenology 2019,  CERN, June 2019
• Effective Theories: from gravity to Cosmology, Itzykson Conference, June 2019
• Geometric Methods for String Cosmology, Oaxaca, May 2019
• Iberian Strings, Barcelona, January 2019
• Recent advances in T/U-dualities and Generalized Geometries, Zagreb, June 2017
• Geometry and Physics, Ringberg castle, Germany, November 2016
• Supergravity, what next?, Galileo Galilei Institute, Florence, October 2016
• "Strings at the self-dual radius: symmetry enhancement and winding modes in Double Field Theory", The string theory Universe, Leuven, September 2015 (slides)  

• "Generalizing the geometry of spaetime: from gravity to supergravity and beyond...?", SUSY 2013, Trieste, August 2013 (slides, video)

• "String compactifications and (non) geometry", review talk, 41st  Ahrensoop Conference, Berlin, August 2012 (slides)

• "Anti-branes in Klebanov-Strassler: to be or not to be", String Phenomenology 2012, Cambridge, June 2012 (slides, video)

• "Constructing metastable vacua in Klebanov-Strassler", Strings 2011, Uppsala, July 2011 (slides, video)

• "Exceptional generalized Geometry and N=2 backgrounds", Workshop on Generalized Geometries, Texas A&M, College Station, March 2011 (slides)

• "Generalized Geometric Compactifications", 12th Marcel Grossmann meeting, paris, July 2009 (slides)

• "N=1 flux vacua on twisted tori", String Phenomenology 2007, Frascati, June 2007 (abstract, slides)

• "Generalized geometries and N=1 vacua", 38^th Ahrensoop Conference, Berlin, September 2006 (slides)

•  "The low energy limit of string theory and its compactifications with background fluxes", Journées Physique et Mathématiques, IHES, Bures sur Yvette, November 2005 (abstract, slides, proceedings)

• "Hitchin functionals in supergravity",  Workshop on N=1 Compactifications, Fields Institute, Toronto, March 2005 (slides, audio)

• "Supersymmetric backgrounds from Generalized Calabi-Yau manifolds", Strings 2004, Paris, July 2004  (slides)

• "Soft supersymmetric terms in Calabi-Yau compactifications with D-branes and fluxes", IHP, Paris, December 2003 (slides)

Science popularisation talks

• “La théorie des cordes” , IPhT, CEA/Saclay, February 2016 (slides)

Teaching

Some string theory-related teaching:

• "String compactifications and fluxes", School on Geometric and Algebraic Methods for String Theory, University of San Martin, Argentina, October 2019
• “String Theory, dimensional reduction and effective actions”, University of Buenos Aires, November 2016 
•  “Effective actions”, GGI school String-Pheno-Cosmo 2015, Florence, October 2015

• "String Theory", High Energy Physics Master at Ecole Polytechnique, 1 trimester, 2016-on

• Short course, “String Compactifications”, IPhT, CEA/Saclay, March-April 2013, joint with Hagen Triendl (lecture notes)
• Short course “Flux compactifications and generalized geometries” given at RTN Winter School, CERN, Geneva in January 2006 (slides, proceedings)  

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