Yann Pequignot
Education
Jul. 2015 PhD in Mathematics.
Université de Lausanne, Switzerland & Université Paris Diderot, France (joint program) 2005–2010 BSc & MSc in Mathematics.
École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland Jul. 2005 Maturité fédérale.
Lycée Blaise Cendrars,La Chaux-de-Fonds, Switzerland
Research interests
Descriptive set theory, Infinite games with perfect information Combinatorics, Well-quasi-order and better-quasi-order
Stone duality, Profinite topologies, Computable analysis
Publications
Jul. 2015 Better-quasi-order: ideals and spaces, PhD thesis, Université de Lausanne and Université Paris Diderot – Paris 7.
2015 A Wadge hierarchy for second countable spaces, In: Archive for Mathematical Logic 54.5-6, pp. 659–683.
2014 From well to better, the space of ideals,with Raphaël Carroy, In: Fundamenta Mathematicae 227.3, pp. 247–270.
2011 Duality and the equational theory of regular languages, In: PhDs in Logic III, IfColog Proceedings. Vol. 2. Future Directions for Logic.
2010 Détermination projective, Master thesis, EPFL.
Talks
Seminar talks
Apr. 2015 Seminar of logic and set theory,University of Turin, Italy.
A Wadge Hierarchy for second countable spaces
Apr. 2014 Séminaire général de logique,University Paris Diderot – Paris 7.
A Wadge Hierarchy for second countable spaces
Nov. 2013 Groupe de travail en Théorie descriptive des ensembles,Université Paris 6.
A notion of reduction via admissible representations
Sep. 2013 Séminaire de Logique Mathématique,Institut Camille Jordan, Lyon.
From well to better, the space of ideals
www.liafa.univ-paris-diderot.fr/~pequignot/
Nov.–Dec.
2012 Groupe de travail en Théorie descriptive des ensembles,Université Paris 6.
Between wqo and bqo, the space of ideals of a quasi-order Contributed talks
May 2014 Ramsey Theory Conference,University of Denver, Colorado, USA.
From Well to Better, the Space of Ideals
Feb. 2014 Winter School in Set Theory and Topology,Hejnice, Czech Republic.
Wadge hierarchy on second countable spaces
Sep. 2013 Highlights of Logic, Games and Automata,Paris, France.
Reduction via representation
Feb. 2013 Winter School in Set Theory and Topology,Hejnice, Czech Republic.
Between Wqo and Bqo, the Space of Ideals of a Wqo Jun. 2012 ANR FREC meeting,Bordeaux, France.
Pervin uniformities on well-quasi-orders May 2012 ANR FREC meeting,Île de Ré, France.
Duality and Equational theory of regular languages Feb. 2011 PhDs in Logic III,Bruxelles, Belgium.
Duality and Equational theory of regular languages
Extracurricular activity
2012–2014 Swiss Graduate Society for Logic and Philosophy of Science, Board member.
Participation in organising six workshops around Logic
Teaching
2011–2014 Mathematical Logic,Bachelor 3rd year, head assistant.
EPFL, Lausanne, lecturer: Jacques Duparc.
2011–2014 Gödel and Recursivity,Master, head assistant.
EPFL, Lausanne, lecturer: Jacques Duparc.
2013 Set Theory,Master, head assistant.
EPFL, Lausanne, lecturer: Jacques Duparc.
2013 Michelle Stella,Espaces quasi-Polonais, Master thesis, EPFL.
Supervision of a Master thesis
2010-2015 Supervision of students projects,Mathematics, EPFL.
Supervising several students on mathematical writing about various topics.
2007-2010 Student assistant,EPFL, Lausanne.
Analysis for Prof. Joachim Stubbe, Linear algebra for Prof. Kathryn Hess Bellwald Oct. 2008 Teacher substitute,Lycée Blaise-Cendrars, La Chaux-de-Fonds.
One month teaching as a full substitute in high school.
www.liafa.univ-paris-diderot.fr/~pequignot/
