**Curriculum (updated 7/2023) **
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**Personal data:****Name and surname:**Enric Ventura Capell.**Date of birth:**11/04/1965.**Actual posicion:**Associate Professor,

Department of Applied Mathematics III,

Universitat Politècnica de Catalunya (UPC).

**Mathematical education:**- Degree in Mathematics by Universitat Autònoma de Barcelona (UAB), Spain, 6/1988.
- Master in Mathematics by UAB, 6/1990.
- PhD in Matematics by
UAB, 7/1995. Advisor:
Warren Dicks.

**Academic positions:**- Teaching assistant in the Mathematics Department of UAB, since 10/1988 untill 3/1991.
- TEU in the Department of Applied Mathematics III of UPC, since 3/1991 until 3/1998.
- Associate Professor (CEU) in the Department of Applied Mathematics III of UPC, since 3/1999 until 3/2009.
- Associate Professor (TU) in the Department of Mathematics of UPC, since 3/2009 until now.

**Administrative positions:**- Coordinator of the ``Programa de Doctorat de Matemàtica Aplicada" at the UPC from May 1st, 2023.
- Member of the Scientific Committee of the Catalan Mathematical Society (SCM) from 07/02/2019 untill now.
- Vice-president of the Catalan Mathematical Society (SCM) from 28/11/2014 untill 07/02/2019.
- Secretary of the Scientific Committee of the Catalan Mathematical Society (SCM) from 1/3/2015 untill 07/02/2019.
- Member of the executive committee and the Publications Committee of the Societat Catalana de Matemàtiques from 09/2004 till 06/2020.
- Editor-in-Chief of the Editorial Board of the Centre de Recerca Matemàtica (CRM) since 07/2013 untill 06/2019.
- Co-main editor of the research journal Reports@SCM of the Societat Catalana de Matemàtiques since 03/2013 untill 06/2020.
- Vice-director of the Departament de Matemàtiques of the UPC from 19/10/2015 till 28/02/2017.
- Main editor of the newletter SCM/Notícies of the Societat Catalana de Matemàtiques since 09/2004 untill 07/2013.
- Delegate of the Head of Department of Applied Mathematics III, for the Bages section, from 6/2002 untill 01/2004.

**Participation in research projects:**- Participation in the research project number PID2021-126851NB-100 of the MCI (Spanish Government) for the period 9/2022 - 9/2026. Title: "Geometric Methods in Group Theory". Main researcher: E. Ventura.
- Participation in the research project number MTM2017-82740-P of the MCI (Spanish Government) for the period 1/2018 - 9/2022. Title: "Geometric Methods in Group Theory". Main researcher: E. Ventura.
- Participation in the research project number MDM-2014-0445 of the MEC (Spanish Government) for the period 1/2015 - 12/2018, developped by the Barcelona Graduate School of Mathematics (BGSMath).
- Research stay project number PRX16/00313 of the Spanish Government for the period 9/2016 - 1/2017. Working place: Southampton University (England).
- Participation in the research project number MTM2014-54896-P of the MEC (Spanish Government) for the period 1/2015 - 12/2017. Title: "Geometric Methods in Group Theory". Main researcher: E. Ventura.
- Participation in the research project number MTM2011-25955 of the MEC (Spanish Government) for the period 1/2012 - 12/2014. Title: "Geometric Methods in Group Theory". Main researcher: E. Ventura.
- Research stay project number PR2010-0321 of the Spanish Government for the period 8/2010 - 12/2010. Working place: CRM-Montréal (Canada).
- Participation in the research project number MTM2008-01550 of the MCI (Spanish Government) for the period 1/2009 - 12/2011. Title: "Geometric Methods in Group Theory". Main researcher: E. Ventura.
- Participation in the research project number MTM2006-13544-C02 of the MEC (Spanish Government) for the period 10/2006 - 9/2008. Title: "Geometry of Dehn problems for finitely presented groups". Main researcher: E. Ventura.
- Participation in the research project HF2006-0239 (Acción Integrada
Hispano-Francesa) of the MEC for the period 1/2007 - 12/2008. Title: "
*Automata and free groups*". Main researcher: E. Ventura. - Participation in the research projects numbers BFM2003-06613, BFM2000-0354, PB96-1152, PB93-0900 and PB90-0719 of the Spanish Government for the periods 1/2004 - 12/2006, 12/2000 - 12/2003, 11/1997 - 12/2000, 7/1994 - 7/1997 and 8/1991 - 8/1994, respectively. Title: "Group actions in low dimensional CW-complexes". Main researcher: W. Dicks.
- Participation in the research project ACI-013 (Acció Integrada) of the Generalitat de
Catalunya for the period 1/2003 - 12/2003. Title:
*"The lattice of subgroups of the free group"*. Main researcher: E. Ventura. Renewed for the period 1/2004 - 12/2004. - Participation in the research project HF2001-0054 (Acción Integrada Hispano-Francesa)
of the DGI for the period 1/2002 - 12/2003. Title: "
*Automata and the geometry of Out(F_n)*". Main researcher: J. Burillo. - Participation in the research project ACI-041 (Acció Integrada) of the Generalitat de
Catalunya for the period 1/2002 - 12/2002. Title: "
*Amenability of Thompson's group*". Main researcher: J. Burillo. Renewed for the periods 1/2003 - 12/2003 and 1/2004 - 12/2004. - Postdoctoral stay project number 2001BEAI400176 of the Generalitat de Catalunya for the
period 1/2001 - 11/2001. Title:
*"Morphisms of free groups and their fixed points".*

*Edition of mathematical journals:*- Editor of the Springer Series Advanced Courses in Mathematics CRM Barcelona since July 2013 untill June 2019.
- Editor of the Springer Series Research Perspectives CRM Barcelona (Trends in Mathematics) since July 2013 untill June 2019.
- Editor of the math journal Groups, Complexity, Cryptology (GCC) since November 2007 untill now.
- Co-main editor of the journal Reports@SCM, of the Societat Catalana de Matemàtiques since 03/2013 untill June 2020.
- Editor of the math journal Journal of Mathematics Research (JMR) since October 2011 untill March 2013.

**Organization of acts:**- Co-organizer of the Sixteenth Barcelona Weekend in Group Theory, held May 4th to 6th, 2023.
- Co-organizer of the thematic section on Geometric and Combinatorial Group Theory at the Spanish-Catalan-Polish Meeting, to be celebrated on Setember 2023 in Lódz, Poland.
- Co-organizer of the Fifteenth Barcelona Weekend in Group Theory, held June 3th and 4th, 2022.
- Co-organizer of the Fourteenth Barcelona Weekend in Group Theory, held March 15th and 16th, 2019.
- Co-organizer of the Thirteenth Barcelona Weekend in Group Theory, held April 27th and 28th, 2018.
- Co-organizer of a special session in Group Theory at the "Second Joint Meeting Edinburgh Mathematical Society - Societat Catalana de Matemàtiques", held in Edinburgh from September 27th to 29th, 2017.
- Co-organizer of the Twelfth Barcelona Weekend in Group Theory, held April 29th, 2017.
- Member of the Scientific Committee of the conference Geometric and Asymptotic Group Theory with Applications (GAGTA-10) held at Stevens Institute of Technology (USA) from June 12th to 18th, 2016.
- Co-organizer of the Eleventh Barcelona Weekend in Group Theory, held on May 20th and 21st, 2016.
- Member of the Scientific Committee of the conference Geometric and Asymptotic Group Theory with Applications (GAGTA-9) held at Lumini (France) from September 14th to 18th, 2015.
- Co-organizer of a special session in Group Theory at the "Edinburgh Mathematical Society - Societat Catalana de Matemàtiques Joint Meeting", held in Barcelona from May 28th to 30th, 2015.
- Co-organizer of the Tenth Barcelona Weekend in Group Theory, held on May 27th, 2015.
- Member of the Scientific Committee of the X Encuentro en Teoria de Grupos, held in Sevilla (Spain) from October 23th to 25th, 2014.
- Member of the Program Committee of the conference Geometric and Asymptotic Group Theory with Applications (GAGTA-8) held at Newcastle (Australia) from July 21st to 25th, 2014.
- Co-organizer of the Ninth Barcelona Weekend in Group Theory, held on May 16th and 17th, 2014.
- Co-organizer of the Eight Barcelona Weekend in Group Theory, held on April 26th and 27th, 2013.
- Co-organizer of the Seventh Barcelona Weekend in Group Theory, held on May 4th and 5th, 2012.
- Co-organizer of the Conference on Automorphisms of free groups: Algorithms, Geometry and Dynamics, held at the CRM from November 12 to 16, 2012.
- Co-organizer of the Advanced Course: Summer school on Automorphism of free groups, held at the CRM from September 25 to 29, 2012.
- Coordinator of the Special CRM Research Program "Automorphisms of Free Groups: Algorithms, Geometry and Dynamics" held at CRM in the fall of 2012.
- Member of the GAGTA Steering Committee since its foundation in August 2011.
- Coordinator of the organizing committee of the conference Geometric and Asymptotic Group Theory with Applications (GAGTA-5) held in Manresa from July 11th to 15th, 2011.
- Co-organizer of the Sixth Barcelona Weekend in Group Theory, held on April 15th and 16th, 2011.
- Organizer of the worksop "Geometric,
Asymptotic, Combinatorial Group Theory with Applications (GAGTA-4), held in Montreal (Canada) from August 15th to 19th, 2010 as an activity
of the thematic semester
*"Geometric, Combinatorial and Computational Group Theory"*of the Centre de Recherches Mathématiques (CRM-Canada). - Co-organizer of the Fifth Barcelona Weekend in Group Theory, held on April 16th and 17th, 2010.
- Member of the scientific commitee of the conference Geometry, Topology and Computation in Groups held at Les Diablerets (Switzerland) from March 7th to 12th, 2010.
- Member of the scientific committee of the conference New algebraic-logic methods in solutions for systems of equations in algebraic structures held at Omsk University (Russia) from August 16th to 22nd, 2009.
- Co-organizer of the Fourth Barcelona Weekend in Group Theory, held on April 24th and 25th, 2009.
- Member of the organizing committee of the conference Geometric and Asymptotic Group Theory with Applications (GAGTA-3) held at the Algebraic Cryptography Center of the Stevens Institute of Technology, Hoboken NJ (USA) from March 9th to 12th, 2009.
- Co-organizer of the Third Barcelona Weekend in Group Theory, held on April 26th, 2008.
- Member of the organizing committee of the conference Combinatorial and Geometric Group Theory with Applications (CGGTA-2) held at the University of Dortmund (Germany) from August 27th to 31st, 2007.
- Coordinator of the Advanced Course on Group-Based Cryptography, held at Centre de Recerca Matemàtica (CRM) from May 28th to June 2nd, 2007.
- Co-organizer of the Second Barcelona Weekend in Group Theory, held on May 4th and 5th, 2007.
- Co-organizer of the CRM research thematic activity Mathematics and Digital Content Security (funded by MATHEMATICA/CONSOLIDER INGENIO 2010) running from September 2006 to October 2007.
- Coordinator of the organizing committee of the conference Geometric and Asymptotic Group Theory with Applications (GAGTA-1) held in Manresa from August 31st to September 4th, 2006.
- Co-organizer of the First Barcelona Weekend in Group Theory, held on May 12th and 13th, 2006.
- Coordinator of the Barcelona Conference on Geometric Group Theory, held at the CRM from June 28 to July 2, 2005.
- Coordinator of the Advanced Course on the Geometry of the Word Problem for Finitely Generated Groups, held at the CRM from July 5 to July 15, 2005.
- Co-organizer of the CRM Special Research Program on "The Geometry of the Word Problem", during the course 04/05.
- Co-organizer of the special session "
*Geometric Methods in Group Theory*" in the first joint AMS-RSME meeting held in Sevilla (Spain), June 18 to 21, 2003.

**International stays:**- Southampton University, Southampton (England). Period: 01/09/2016 - 31/01/2017.
- CRM visitor from 09/01/2012 to 12/31/2012, into the programme "Automorphisms of free groups: algorithms, geometry and dynamics".
- CRM-McGill University, Montréal (Canada). Period: 15/8/2010 - 22/12/2010.
- Invited to participate at the research programme Geometric Group Theory of the Mathematical Science Research Institute (Berkeley, California) in December 2007.
- Invited as a research visitor to CRM from 01/09/2007 till 30/11/2007, into the programme "Mathematics and Digital Contents Security".
- Invited to participate at the Workshop Generic Case Complexity of the American Institute of Mathematics (Palo Alto, California) in August 2007.
- CRM visitor from 09/05/2006 to 10/31/2006.
- Laboratoire bordelais de recherche en informatique (LaBRI), Université Bordeaux I. Place: Bordeaux, France. Period: 27/3/2006 - 11/04/2006 and 31/5/2006 - 10/6/2006.
- CRM visitor from 01/09/2004 to 31/08/2005, into the programme "The Geometry of the Word Problem".
- Department of Mathematics and Statistics, University of Nebraska-Lincoln. Place: Lincoln - Nebraska (USA). Period: 9/1/2004 - 15/5/2004.
- Mathematics Department, City College of New York (CUNY). Place: New York City (USA). Period: 9/3/2000 - 9/28/2001.
- Universita Degli Studi di Perugia (summer course organized by the Scuola Matematica Interuniversitaria). Place: Perugia (Italy). Period: 7/24/1988 - 8/27/1988.
- Universita Degli Studi di Perugia (summer course organized by the Scuola Matematica Interuniversitaria). Place: Perugia (Italy). Period: 7/31/1989 - 9/2/1989.

**Direction of teaching/research projects:**- Direction of the degree project
*"Grau de commutativitat de grups finitament generats"*(PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Pere Llorenç. Date: July 11th, 2023. - Direction of the degree project
*"L'invariant BNS"*(PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Enaitz Quílez. Date: January 19th, 2023. - Direction of the master project "The gap between an automorphism and its inverse" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Àlex Miranda Pascual. Date: July 6th, 2021.
- Direction of the master project "Algebraic extensions in free groups and Stallings graphs" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Sebastià Mijares Verdú. Date: July 7th, 2020.
- Direction of the degree project "Malnormal closure computation" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Cesc Folch Aldehuelo. Date: May 21st, 2020.
- Direction of the degree project "Irresolubilitat d'un problema d'àlgebra lineal" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Oriol Valls Dellavalle. Date: July 10th, 2020.
- PhD thesis direction at the
UPC PhD programme:
*"Algebraic and algorithmic aspects of Z^m x F_n: fixed subgroups and quantification of inertia" (PDF)*. Student: Mallika Roy (felowship from BGSMath). Defense date: february 12th, 2020. Grade: "Excel·lent cum laude". - Co-direction of the High School project:
*"Les matemàtiques del cub de Rubik: i l'optimització d'un mètode per a la seva resolució a cegues"*(PDF). Student: Berta García. Defense date: desember 2018. - Direction of the project
*"Degrees of compression and inertia"*(PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Mallika Roy. Date: june 2018. - PhD thesis direccion at the
UPC PhD programme:
*"Extensions of free groups: algebraic, geometric, and algorithmic aspects" (PDF)*Student: Jordi Delgado. Defense date: September 15th, 2017. Grade: "excel·lent cum laude". - Direction of the master project "An introduction to Homotopy Type Theory" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Tomàs Martínez. Date: June 26, 2016.
- Direction of the degree project "Inverting automorphisms of groups" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Pere Planell. Date: July 17, 2015.
- Direction of the degree project "A calculator for the lattice of subgroups of a free group" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Ángel García. Date: July 17, 2015.
- Direction of the degree project "Unsolvable problems in group theory" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Miquel Porcar. Date: January 31, 2014.
- Direction of the degree project "Algorithmic problems about subgroups of free groups" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Guillermo Santamaria. Date: September 2013.
- Direction of the degree project "Isomorphism betwen PC-products" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Albert Garreta Fontelles. Date: July 2012.
- Direction of the master project "Problemes algorismics en grups lliure per lliure abelià" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Jordi Delgado. Date: July 2011. Awarded with a special mention at the Galois prize of the Societat Catalana de Matemàtiques, 2012.
- Direction of the degree project "Las matemáticas del cubo de Rubik" at the Escola Politècnica Superior d'Enginyeria de Manresa de la UPC. Student: Daniel Ortiga. Date: January 2011.
- Direction of the master project "Extensions de l'algorisme clàssic de Whitehead" (PDF) at the Facultat de Matemàtiques i Estadística of the UPC. Student: Borja de Balle Pigem. Date: January 2009.
- Co-direction (with J.M. Fuertes) of the project "An algebraic method for constructing cycles in deBruijn graphs with an application to angular codification" (PDF) at the Escola Tècnica Superior d’Enginyeria de Telecomunicació de Barcelona (UPC). Student: Borja de Balle Pigem. Date: desember 2007.

- Direction of the degree project
**Docent publications:**- J.M. Brunat, E. Ventura,
*Informació i Codis*published as number 114 of the collection "Politext", Edicions UPC, september 2001, (393 pages). ISBN: 84-8301-528-5. Project awarded at the seventh edition of the "Ajuts a l'elaboració de material docent", UPC, 1999. - M. Alsina, C. Busqué, E. Ventura, "500 Problemes d'Àlgebra" (157 pages), published in 11/1990.

- J.M. Brunat, E. Ventura,
**Research publications:**Publications **Participation in juries:**- Member of a degree committee of the Facultat de Matemàtiques i Estadística (FME) from UPC, 7/2023 (Laura Arribas, Joana Pi, Olga Martínes, Josep Fontana).
- Secretary of the jury for 3 Lector jobs at the Department of Matematics of the UPC, 5-6/2023.
- "External examiner" of a PhD committee corresponding to the Doctoral Program in Mathematics of the Porto University, 4/23 (André Carvalho).
- Member of the jury for a TU job on Discrete Matemathics at the Departament de Matemàtiques i Informàtica of the UB, 4/2022.
- Member of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 7/2021 (I. Chércoles, À. Miranda, R. Bergadà).
- Secretary of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 6/2020 (S. Mijares, P. Mir).
- Secretary of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 10/2019 (D. Acedo, A. Khandpur).
- Member of a degree committee of the Facultat de Matemàtiques i Estadística (FME) from UPC, 9/2018 (Nora Wieczorek, Raül Pérez, Jordi Jofre i David Doste).
- Secretary member of a jury for PhD research projects at the Facultat de Matemàtiques i Estadística (FME) de la UPC, 6/2018 (Maximilian Wötzel).
- Secretary member of a jury for assigning parttime jobs at UPC, 6/16 and 3/17.
- "External examiner" of a PhD committee corresponding to the Doctoral Program in Mathematics of the University of Southampton, 6/16 (Dionysios Syrigos).
- President of a degree committee of the Facultat de Matemàtiques i Estadística (FME) from UPC, 5/2016 (Adrià Balcàzar, Glòria Castellví, Francesc Gispert, i Oriol Ventura)
- President of a degree committee of the Escola Politècnica Superior d'Enginyeria de Manresa (EPSEM) from UPC, 9/2015 (M. Llovet)
- Deputy member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UV, 9/2015 (Orieta Liriano).
- Deputy member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 9/2014 (Simone Virili).
- Deputy member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 9/2013 (Joan Bosa).
- Member of a jury for a PhD proposal corresponding to the Doctoral Program in Mathematics at the UPC, 7/2013 (E. López).
- Secretary of a degree committee of the Facultat de Matemàtiques i Estadística from UPC, 7/2012 (A. Garreta).
- Member of a PhD committee corresponding to the Université Marseille, 6/2012 (F. Ibrahim).
- Secretary of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 11/2011 (E. Rodríguez).
- Deputy member of a of a PhD committee corresponding to the Doctoral Program in Mathematics of the Euskal Herriko Unibertsitatea, 10/2011 (A. Zugadi).
- Secretary of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 7/2011 (J. Delgado).
- President of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 3/2011 (E. López).
- Deputy member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 7/2010 (Y. Antolín).
- President of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 6/2009 (L. Bacardit).
- President of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 7/2009 (A. Fossas).
- Secretary of a master's degree committee corresponding to the Master's Program in Mathematics at the UPC, 3/2009 (B. Balle).
- Member of a sub-PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 10/2006 (L. Bacardit).
- Member of a sub-PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 9/2006 (Y. Antolin).
- Member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 6/2006 (R. Martí).
- Member of the jury for the Galois prize of the SCM in 2006.
- Member of a PhD committee corresponding to the Doctoral Program in Computer Science of the UPV, 6/2003 (A. Cano).
- Member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 6/2003 (G. Bastardas).
- Member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UPC, 4/2000 (J. Gimbert).
- Deputy member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UAB, 4/1998 (M. Chas).
- Deputy member of a PhD committee corresponding to the Doctoral Program in Mathematics of the UPC, 5/1997. (j.A. Rodríguez)
- Member of a CEU job search committee, Univerity of Málaga, 11/2002.
- Member of a CEU job search committee, University Complutense of Madrid, 9/2002.
- Member of a CEU job search committee, University of Alicante, 2/2001.
- Member of a TEU job search committee, University of Alicante, 2/2001.

**Main talks given:***"Existence of finitely presented intersection-saturated groups"*, Algebra, Combinatorics and Number Theory Seminar, Universidade do Porto, Porto (Portugal), 4/2023. PDF*"Stallings automata and applications" (20 hours)*, BGSMath Graduate Course, shared with Jordi Delgado, Barcelona (Catalunya), January- February 2023. PDF*"Finding the equations satisfied by a given element in a free group"*, at the workshop Equations in Groups and Complexity, Newcastle (UK), 7/2022. PDF*"The technique of Stallings graphs"*, at the Colloquium of the Chennai Institute of Mathematics, Chennai, India, 3/2022. PDF*``Relative order and spectrum of subgroups"*, at the Algorithmic problems in algebra and logic seminar (Adian's seminar) (online), Moscow, Russia, 11/2021. PDF*``Relative order and spectrum of subgroups"*, at the Heriot-Watt Algebra and Group Theory seminar, Heriot-Watt university, UK, 5/2021. PDF- Mini course
*"Stallings graphs and the lattice of subgroups of free groups"*, at the "Workshop on Graphs, Topology and Topological Groups (online)", University of Cape Town, SouthAfrica, 3/2021. PDF *"Endomorphisms of direct products of free and surface groups, and their fixed points"*, at the Algebra Seminar, Universidade de Brasilia (Brasil), 10/2020. PDF*"The intersection problem in F_n x Z^m"*, plenary talk at the conference "SandGAL 2019, Semigroups and Groups, Automata, Logics” , Cremona (Italy), 6/2019. PDF*"The degree of commutativity/nilpotency of an infinite group"*, invited talk at the "*Workshop on Groups, Automata, and Graphs*", Graz (Austria), 2/2019. PDF*"Vectored Stallings graphs",*at the conference*"Geometric and Asymptotic Group Theory with Applications"*GAGTA-12, Seoul (South Korea), 7/2018. PDF- "Fixed subgroups are compressed in surface groups", at the
conference
*"**Geometric and Asymptotic Group Theory with Applications*" GAGTA-10, Stevens Institute, New York, (USA), 6/2016. PDF. *"The degree of commutativity of an infinite group"*, at the conference*"Geometric and Asymptotic Group Theory with Applications"*GAGTA-9, Lumini Marseille, (France), 9/2015. PDF, video at CIRM*"The conjugacy problem and other algorithmically related problems"*, plenary tallk at the first "Edimburg Mathematical Society - Societat Catalana de Matemàtiques joint meeting", Barcelona (Catalunya), 5/2015. PDF*"Commuting degree for infinite groups"*, at the conference*"Geometric and Asymptotic Group Theory with Applications"*GAGTA-8, Newcastle (Australia), 7/2014. PDF

*"Orbit decidability and the conjugacy problem in groups"*, at the Algebra Seminar in Oxford (England), 2/2014. PDF

**Other merits:**- Referee for several mathematical journals.
- Reviewer for the Australian Research Council (ARC), Australian Government.
- Reviewer for the ANEP, Spanish Government.
- Reviewer for the AGAUR, Catalan Government.
- Reviewer for Mathematical Reviews since 10/1994 until now.
- Membre of the Board of the Iberian Network on Group Theory (IBG).
- Participation in the ICE-UPC project "Material didàctic amb l'equivalència entre el llenguatge verbal i simbòlic per a l'aprenentatge en anglès de continguts tècnics". Coordinator: M. Alsina.
- Member of the Societat Catalana de Matemàtiques since 12/1988 until now.
- Member of the European Mathematical Society since 11/1995 until now.
- Participation at the "Sisena Jornada d'Ensenyament de les Matemàtiques" organitzed by the SCM on September 19th, 2009.

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