Contact Information: Math, Office 2.103

E-mail: My first name < dot > my last name < at > unifr.ch

Phone: +41 26 300 9182

Fax: +41 26 300 9744

**Mailing address: **

Department of Mathematics

University of Fribourg

Chemin du Musee 23

CH-1700 Fribourg

Switzerland

**My research: ** Papers and preprints

**About me: ** Curriculum Vitae, List of publications (pdf)

**My group: ** Research group

**Open positions: **

- currently no open positions.

**Organization:**

- Trimester Program: Metric Analysis, Hausdorff Research Institute for Mathematics HIM, Bonn, Germany, 13 January - 17 April 2025, see Poster.
- Workshop in Metric Geometry and Geometric Measure Theory, University of Fribourg, 21 - 23 August 2024.
- Summer School "Growth in Geometry and Topology", Borel Seminar, Les Diablerets, 21 - 25 August 2017.
- Workshop: Non-Smooth Geometry, IPAM, UCLA, Los Angeles, California, 29 April - 3 May 2013.
- Mapping Theory in metric spaces, American Institute of Mathematics, San Jose, California, 9 - 13 January 2012.

**Conferences, workshops, Summer and Winter Schools:**

- Geometry and Analysis of Groups and Manifolds, 26 - 30 June 2023, Centro De Giorgi, Pisa.
- Sub-Riemannian Geometry and Beyond III, 19 - 23 June 2023, Centro De Giorgi, Pisa
- Workshop on Geometry of Spaces with Upper and Lower Curvature Bounds, 12 - 16 September 2022, The Fields Institute, Toronto.
- Integral and Metric Geometry, 1 - 6 May 2022, online, hosted by BIRS and Casa Matematica Oaxaca (CMO).
- Sub-Riemannian Geometry and Beyond, III, 19 - 29 May 2020, University of Pisa (postponed to 2023).
- Pansu's Fest: for the 60th birthday of Pierre Pansu, 23 - 27 September 2019, University of Oxford.
- Geometric Analysis on Riemannian and Singular Metric Measure Spaces, July 1 - 5, 2019, Lake Como School of Advanced Studies, Como, Italy.
- Non-positive curvature, May 20 - 24, 2019, Warsaw, Poland
- Subriemannian Geometry and Beyond, II, February 18 - 22, 2019, Jyväskylä, Finland
- A Mathematical Tribute to Ennio De Giorgi, September 19 - 23, 2016, Pisa, Italy
- British Mathematical Colloquium 2016, March 21 - 24, 2016, Bristol, UK
- Quasiweekend II - Ten years after, December 10 - 13, 2015, Helsinki, Finland
- NPC & ID, August 24 - 28, 2015, Nancy, France
- 9th School on Analysis and Geometry in Metric Spaces, July 6 - 10, 2015, Levico Terme (Trento), Italy
- Hausdorff Kolloquium 2015, April 29 - July 15, 2015, Bonn, Germany
- International Congress of Mathematicians ICM 2014, August 13 - 21, Seoul, Korea
- ERC-Workshop on Geometric Measure Theory, Analysis in Metric Spaces and Real Analysis, October 7 - 11, 2013, Centro De Giorgi, Pisa, Italy
- Summer School "Metric Geometry", August 25 - August 30, 2013, Les Diablerets, Switzerland
- Summer School and Workshop "Geometric Measure Theory and Optimal Transport", July 15 - August 02, 2013, International Centre for Theoretical Physics (ICTP) Trieste, Italy
- IPAM Workshop "Non-Smooth Geometry", April 29 - May 3, 2013, Institute for Pure and Applied Mathematics IPAM, UCLA, Los Angeles, CA
- AIM Workshop "Mapping Theory in Metric Spaces", January 9 - 13, 2012, American Institute of Mathematics, Palo Alto, CA
- MSRI Program "Quantitative Geometry", August 16 - December 15, 2011, Mathematical Sciences Research Institute, Berkeley, CA
- Summer School "Filling invariants and asymptotic geometry", July 24 - 29, 2011, Bloomington, Indiana
- Trimester "Metric Geometry, Algorithms and Groups", January - April 2011, Institut Henri Poincare, Paris, France
- ERC School on Analysis in metric spaces and geometric measure theory, January 10 - 14, 2011, Centro di Ricerca Matematica Ennio De Giorgi, Pisa, Italy

**Notes and videos of some of my talks:**

- A short video portrait of me when I was head of the department, made by the university for the students.
- Video of my talk at the conference "A Mathematical Tribute to Ennio De Giorgi": Plateau's problem in metric spaces and applications.
- Video of my Invited Section Talk at the ICM 2014 in Seoul: Isoperimetric inequalities and asymptotic geometry.
- Video of my talk at the MSRI Program Quantitative Geometry in 2011: Isoperimetric Filling Problems and Large Scale Geometry.
- Notes from mini-course of 3 lectures (10 hours total) at the Institut Henri Poincare, Paris, France, 2011: Announcement, Lecture 1, Lecture 2, Lecture 3

**Some Teaching Evaluations of courses given at the University of Fribourg, Switzerland:**

- Introduction to Geometric Measure Theory, Spring 2017
- Minimal Surfaces II, Spring 2016
- Analysis IV, Spring 2016
- Minimal Surfaces I, Fall 2015

**Teaching at the University of Fribourg, Switzerland:**

- Spring 2024: Introduction to Geometric Measure Theory (see the Moodle page for more information)
- Fall 2023: Analysis III (see the Moodle page for more information)
- Fall 2023: Student seminar on "Optimal Mass Transportation" (see the announcement for more information)
- Spring 2023: Analysis II
- Spring 2023: Student seminar on "Analysis on metric spaces" (see the announcement for more information)
- Fall 2022: Minimal surfaces (see the Moodle page for more information)
- Spring 2022: Introduction to Geometric Measure Theory (see the Moodle page for more information).
- Spring 2022: Analysis IV (see the Moodle page for more information).
- Fall 2021: no teaching
- Fall 2020 and Spring 2021: Analysis I and II (see the Moodle page for Analysis I for more information).
- Fall 2020: Minimal surfaces (see the Moodle page for Minimal surfaces for more information)
- Spring 2020: Thematisches Seminar - Fraktale Mengen
- Fall 2019 and Spring 2020: Analysis III and IV
- Spring 2019: Introduction to Geometric Measure Theory
- Fall 2018 and Spring 2019: Analysis I and II
- Fall 2017 and Spring 2018: Analysis and Geometry of Metric Spaces
- Fall 2017 and Spring 2018: Analysis III and IV
- Spring 2017: Introduction to Geometric Measure Theory
- Spring 2017: Analysis II
- Fall 2016: No teaching
- Fall 2015 and Spring 2016: Minimal Surfaces I and II
- Fall 2015 and Spring 2016: Analysis III and IV
- Spring 2015: Student seminar on Sobolev functions - from classical to new
- Spring 2015: Analysis II
- Fall 2014: Proseminar
- Fall 2014: Analysis I
- Spring 2014: Analysis IV
- Fall 2103: Functional Analysis
- Spring 2013: Geometry and Analysis of Lipschitz mappings
- Spring 2013: Analysis II
- Fall 2012: Analysis I
- Spring 2012: Minimal Surfaces
- Spring 2012: Analysis IV
- Fall 2011: No teaching

**Teaching at the University of Illinois at Chicago, USA:**

- Spring 2011: No teaching
- Fall 2010: Differentiable Manifolds I - Math 549
- Fall 2010: Analysis I - Math 313
- Spring 2010: No teaching
- Fall 2009: Differentiable Manifolds I - Math 549
- Fall 2009: Analysis I - Math 313
- Spring 2009: Introduction to Topology II - Math 446
- Fall 2008: Introduction to Topology I - Math 445