2009 "Graffiti and Mathematics", Madrid Science Week.
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2009 "Matemáticas en la Residencia", Madrid.
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2008 Organizer, International Mathematical Olympiad, Madrid. Editor of IMO News
2008 Organizing comitee, Spanish Mathematical Olympiad, Valencia. Editor of OME News.
2007, 2009 Member of the jury, Spanish Mathematical Olympiad, Sant Feliu de Guíxols (Girona) and Torrelodones (Madrid).
2004 Assistant of professor Thomas Banchoff (Brown University) at the course "Mathematics on the threshold of 21st century", Valencia.
2003-2009 Creation and organization of CPP2, popular contest of solving problem, Valencia.
2002-2009 Mediterranean Mathematical Contest.
- Miralles, A. and Rubio, Roberto, CPP2. Calcetines, polinomios y polígonos, Matemàtiques, 4(1), 157-168. 2008, Burjassot.
- Rubio, Roberto, CPP2 -apókryphos- El cuento de los problemas perdidos, Matemàtiques, 3(1), 179-188. 2006, Burjassot.
- Rubio, Roberto, Crónica de unos problemas pasados, Matemàtiques, 2(1), 141-150. 2005, Burjassot.



