# Past Events

**GEAR Events:**

- Log Cabin Workshop: Sp(4,R)-Anosov representations, January 10-18, 2016, in the Colorado mountains near Granby, CO
- Log Cabin Workshop: Higgs Bundles and Harmonic Maps, January 3-11, 2015, Asheville, NC
- Second GEAR Junior Retreat: May 23-June 1, 2014 at the University of Michigan at Ann Arbor [Video archive] [Photos].
- Second GEAR Retreat: March 17-21, 2014 at the University of Maryland
- Log Cabin Workshop: Higher Teichmüller-Thurston Theory, June 23-29, 2013, Point Lookout Resort and Conference Center, Northport, Maine
- First GEAR Retreat, July 23-August 10, 2012, University of Illinois at Urbana-Champaign

**Associated Events:**

- Workshop "Higgs bundles in Geometry and Physics". February 29 - March 3 2016 at Universität Heidelberg. Organizers: Andreas Ott, Jan Swoboda, Hartmut Weiß, Anna Wienhard, and Frederik Witt.
- Workshop on Surface Group Representations. March 17-20, 2016 at Caltech. Organizers: Qiongling Li andTengren Zhang
__2016 Snowbird Workshop on Character Varieties__. June 5-11, 2016, Snowbird Resort in Utah. Organizers:**,**Christopher Manon, and Adam Sikora.- Current trends on spectral data for Higgs bundles II. June 11-12, 2016 at Simons Center for Geometry and Physics, Stony Brook University. Organizers: Laura B. Anderson and Laura P. Schaposnik.
- Hitchin 70: Celebrating 30 years of Higgs bundles and 15 years of generalized geometry.
September 12-16, 2016, ICMAT, Madrid. This event, in celebration of Nigel Hitchin's 70th birthday and in honour of his contributions to mathematics, is part of larger activity that will take place across three locations during the period 5-16 September 2016. It will begin in Aarhus (5-8 Sep 2016), continue in Oxford (9-11 Sep 2016) and end in Madrid (12-16 Sep 2016).

- Heidelberg Laureate Forum. September 18 to 23, 2016 at Universität Heidelberg.

2016

2015

- Hyperbolic Geometry and Minimal Surfaces, IMPA, Rio de Janeiro, January 4-10, 2015. Speakers: Michael Anderson (Stonybrook), Fernando Coda Marques (Princeton) , Toby Colding (MIT) , Moon Duchin (Tufts), Jose Espinar (IMPA), Dave Gabai (Princeton) ,Ursula Hamenstadt (Bonn) , Joel Hass (Davis) , Zeno Huang (CUNY) , Stephen Kleene (Brown), Steve Kerckhoff (Stanford) , Marc Lackenby (Oxford),Laurent Mazet (Paris-Est) , William Meeks (Amherst) , Hossein Namazi (Austin) , Andre Neves (Imperial College), Ivaldo Nunes (São Luís) ,Frank Pacard (École Polytechnique), Hugo Parlier (Fribourg) ,Alan Reid (Austin) ,Regina Rotman (Toronto) ,Hyam Rubinstein (Melbourne) , Stephane Sabourau (Paris-Est), Shmuel Weinberger (Chicago).
- Dynamics on Moduli Spaces of Geometric Structures, an MSRI program January 12-May 22, 2015.
- 13th annual Graduate Student Topology and Geometry Conference, March 28-29, 2015, University of Illinois, Urbana-Champaign. Registration is now open for this two day conference intended to expose graduate students to exciting research in geometry and topology, to provide an opportunity for graduate students to give talks on their research, and to bring graduate students together to meet each other and to talk to expert faculty members in these fields. Most talks are given by graduate student participants and are complemented by longer talks by distinguished plenary speakers and young faculty. Invited speakers are: Kathryn Hess (EPFL), Misha Kapovich (UC Davis), Daniel Wise (McGill), Anna Marie Bohmann (Northwestern), Jeffrey Danciger (UT Austin), Jo Nelson (Barnard, Columbia, IAS), Vivek Shende (UC Berkeley), Hiro Lee Tanaka (Harvard), Jing Tao (Oklahoma). Participants should register by February 1 to be considered for funding or presenting a talk; the conference will be able to provide some support for travel expenses. For more information, visit the conference website http://www.math.illinois.edu/gstgc2015 or contact the organizers at gstgc2015@gmail.com.
- Groups, Geometry, and 3-Manifolds in honor of Daryl Cooper's 60th birthday, May 21-22, 2015.
Schedule, registration, and payment information can be found at:

https://sites.google.com/site/groupsgeometry3manifolds/ - Workshop on Mapping Class Groups and Out(F_N), University of Texas at Austin, May 25-30, 2015.
- Higgs Bundles and Character Varieties, June 9-12, 2015. A satellite GEAR workshop and Special Session of the Joint International Meeting of the AMS, EMS and SPM, Porto. For further Information see workshop webpage and the AMS-EMS-SPM meeting website.
- Summer school in geometry and topology at the University of Chicago, with focus on surfaces, June 22-26, 2015. Organizers: Danny Calegari, Alex Eskin, Benson Farb, Howard Masur, Peter May, Alden Walker, Amie Wilkinson.
- 3rd Heidelberg Laureate Forum will be August 23 to 28, 2015. The Heidelberg Laureate Forum connects highly talented young researchers (undergraduates, PhD candidates, and postdocs) with the best scientists in their research fields: mathematics and computer science (Abel, Fields, Turing, and Nevanlinna Laureates).
- Current trends on spectral data for Higgs bundles. September 26-27, 2015 in San Jose, California. Organizer Laura P. Schaposnik.
- Hengstberger Symposium, November 2-6, 2015. This conference focuses on interactions and relations between the different topics of Higher Teichmüller theory, mainly group representations, geometric structures and Higgs bundles. Organizers: Daniele Alessandrini, Gye-Seon Lee, Ana Peón-Nieto.
- 3-month program "Random Walks and Asymptotic Geometry of Groups",
January 6 to April 4, 2014, organised with the collaboration of the Centre Emile Borel at the Institut Henri Poincaré in Paris.

Three workshops also will be organized in Paris (IHP):

- Random Walks on Groups, January 27-31, 2014

- Groups Acting on Rooted Trees, February 24-28, 2014

- Asymptotic Properties of Infinite Groups, March 24-28, 2014

An Introductory School attached to this trimester will be held at CIRM (Centre International de Rencontre à Luminy) from January 6-17, 2014: deadline for application is September 15th, 2013 - AMS Special session on "Deformation spaces of geometric structures on low-dimensional manifolds'', 2014 Joint Mathematics Meeting in Baltimore, Maryland on January 16-18, 2014.
- 3-month program "Random Walks and Asymptotic Geometry of Groups",
January 6 to April 4, 2014, organised with the collaboration of the Centre Emile Borel at the Institut Henri Poincaré in Paris.

Three workshops also will be organized in Paris (IHP):

- Random Walks on Groups, January 27-31, 2014

- Groups Acting on Rooted Trees, February 24-28, 2014

- Asymptotic Properties of Infinite Groups, March 24-28, 2014 - In Istanbul, April 2014: Research School on Finsler Geometry and Applications
- Workshop on the topic of Geometric Structures and Discrete Groups, University of Texas Austin, May 2-4, 2014. Support will be available through the NSF geometry and topology RTG at UT Austin.
- Andrew Neitzke (UT Austin) will deliver a "Heidelberg Lecture Series on Mathematics and Physics" at the University of Heidelberg, Germany, May 13-15, 2014. Young researchers can apply for funding in order to participate in this event. Please contact sekretariat16@thphys.uni-heidelberg.de by April 15, 2014 if you are interested in attending the lecture series. Please indicate if you are applying for financial support (including a rough estimate of your expenses).
- In Strasbourg, May 2014: Master class on Thurston-Grothedieck-Teichmuller Theories.

Addressed primarily to PhD students and post-docs, but everyone is welcome.

Contact Athanase Papadopoulos at papadop@math.u-strasbg.fr for more information. - School on the geometry and physics of moduli spaces, May 19-23, 2014 (Miraflores de la Sierra, Madrid, Spain). Deadline to register is 31st March, 2014. The main goal of this school is to introduce graduate students and postdoctoral researchers to several active fields of current research in the theory of moduli spaces and their interplay with geometry, topology and theoretical physics. Senior participants are also welcome. The school is organized within the ICMAT Research Term on the Geometry and Physics of Moduli Spaces. The school will consist of 4 introductory courses:

-- Sergei Gukov (Caltech): From Higgs bundles to knots and 3-manifolds

-- Nigel Hitchin (Oxford): Spectral curves

-- François Labourie (Orsay): Cyclic surfaces and Hitchin components

-- Peter Topping (Warwick): The Teichmueller harmonic map flow and minimal immersions - Intensive research period "Teichmüller theory and surfaces in 3-manifolds", May 26 - June 20, 2014,

Centro di Ricerca Matematica "Ennio De Giorgi", Pisa - Italy. During weeks I, II and IV there will be mini-courses and research talks, along with time for discussion. A more intensive workshop will take place during the third week (9-13 June). - “What’s Next? The mathematical legacy of Bill Thurston,” Cornell University, June 23-27, 2014. Registration for the Conference is now open, at http://www.math.cornell.edu/napp/thu/app1.php

The Financial Support Request deadline is ***March 20, 2014***. Young researchers and underrepresented groups are especially encouraged to apply. - Real Vector Bundles, Brest, France, July 7-11, 2014

T opics: real vector bundles in the sense of Atiyah, real principal bundles, characteristic classes, gauge theory, moduli spaces, A1-homotopy theory. The conference will contain 4 extended lectures, of 3h each, on A1-homotopy theory, characteristic classes, gauge theoretic methods in real algebraic geometry, and Yang-Mills equations over Klein surfaces, as well as 5 research talks of 1h. - The geometry, topology and physics of moduli spaces of Higgs bundles, Institute for Mathematical Sciences, Singapore, July 7 – August 29, 2014. Activities include:

-- Summer school (July 7 – 18)

-- Workshop based on the themes of the summer school (July 21-25)

-- ICM satellite conference (August 4-8).

-- Outside the scheduled activities we will have time for regular seminars and collaborative work. - 2014 QGM PhD Retreat, July 28-August 15, 2014 in Aaurhus, Denmark. Senior lecturers: Jørgen Ellegaard Andersen (Aarhus), Rinat Kashaev (Geneve), Maxim Kontsevich (IHÉS, Paris), Dmitry Lebedev (ITEP, Moscow), Nicolai Reshetikhin (Berkeley).

Note: Because of GEAR/QGM cooperation, GEAR PhD students are eligible to register for this event. Local expenses will be covered by QGM but GEAR students at US institutions can apply for travel funding through the Graduate Internship program (but should take note of the "Use of the programs to attend meetings" instructions on the GEAR website.)

- The 10th William Rowan Hamilton Geometry and Topology Workshop on Homological invariants in low-dimensional topology and geometry. Hamilton Mathematics Institute, Trinity College Dublin, August 26-30, 2014.
The workshop will consist of a two day mini-course August 26-27, followed by a three day lecture series, August 28-30, 2014. This year's topic for the workshop is Homological invariants in low-dimensional topology and geometry.

-- Minicourse: This years minicourse will be given by Jacob Rasmussen (Cambridge) and Liam Watson (Glasgow) on Floer homology and low-dimensional topology. The target audience is graduate students and junior researchers.

-- Lecture Series: The lecture series will be August 28-30, speakers to be announced. There will also be scheduled discussion and problem sessions. - Finsler Geometry with Applications, Conference-Master Class, September 23-30, 2014
- Dynamics, Geometry and Groups Day, October 11, 2014

We will have a half day of lectures on October 11, 2014 at IUPUI. The schedule and more detailed information can be found at http://www.math.illinois.edu/DGG2014/index.html. This event will be the first of a continuing biyearly event organized by Indiana, IUPUI, Purdue, and Illinois that will feature talks from groups, geometry, and dynamics. - The Sixth Triennial Ahlfors-Bers Colloquium, Yale University, October 23-26, 2014.

Confirmed speakers: Stergios Antonakoudis, Mladen Bestvina, Jon Chaika, David Dumas, Peter Haissinsky, Jeremy Kahn, Sarah Koch, Nick Makarov, Kasra Rafi, Wendelin Werner. - The 52nd meeting of the Texas Geometry and Topology Conference, University of Texas-Austin, November 14-16, 2014. Speakers: Danny Calegari (U of Chicago), Nathan Dunfield (UIUC), Benson Farb (U of Chicago), Eli Grigsby (Boston College), Yair Minsky (Yale), Jessica Purcell (BYU), Rachel Roberts (Wash. U in St. Louis), Marty Scharlemann (UCSB).
- Masters Class at QGM: Jan. 21-25, 2013, "Topological recursion from matrix models to quantum algebraic geometry", presented by Bertrand Eynard and Nicolas Orantin.
- Conference at QGM: Jan. 28 - Feb. 1, 2013, "Recursion and integrability" (organizers: R. Penner and J. E. Andersen).
- Special Period at ESI on Teichmüller theory: Jan. 1 - April 21, 2013 (organizers: Funar, Neretin, Papadopoulos, Penner).
- Masters Class presented by R. Penner and Christian Reidys plus Conference at ESI: March 11-20, 2013, on "Moduli spaces in computational biology".
- Hot Topics Workshop at MSRI Berkeley, California: Surface subgroups and cube complexes, http://www.msri.org/web/msri/scientific/workshops/hot-topics-workshops/show/-/event/Wm9922Mar 18, 2013 to Mar 22, 2013 , March 18-22, 2013.
- RTG workshop on Random Walks in Groups at Ann Arbor, Michigan March 29-31 2013 (Mini courses by Alex Furman, Vadim Kaimanovich, and Anders Karlsson). http://www.math.lsa.umich.edu/conferences/rtg3-29-13/index.html
- Masters Class presented by R. Kashaev on "Quantum Teichmüller Theory and TQFT" plus Conference at ESI, April 12-19, 2013.
- Mathematics Research Communities at Snowbird, Utah. "Geometric Group Theory". http://www.ams.org/programs/research-communities/mrc-13, June 16-22, 2013.
- Mini Course and Lecture series at The Hamilton Mathematics Institute, August 27-31, 2013, Trinity College Dublin: The 9th William Rowan Hamilton Geometry and Topology Workshop.
- Teichmüller Theory and Interfaces with Ergodic Theory and Group Actions, Oct 28-Nov 1, 2013, New Delhi, India
- ICERM Semester Program on "Low-dimensional Topology, Geometry, and Dynamics," Sept 9 - Dec 6, 2013. The program will include three workshops:

-- Exotic Geometric Structures (September 16-20, 2013)

-- Topology, Geometry and Group Theory, Informed by Experiment (October 21-25, 2013)

-- Geometric Structures in Low-Dimensional Dynamics (November 18-22, 2013). - Workshop on Character varieties and Geometric Structures, Howard University, Washington,

December 16-20, 2013. - 29th Annual Workshop in Geometric Topology, Oregon State University, Corvallis, June 28-30, 2012. The principal speaker will be Professor Benson Farb of the University of Chicago. He will give a series of three talks: (I) Permutations and polynomiality in algebra and topology, (II) Surface bundles, mapping class groups, moduli spaces, and cohomology , and (III) Reconstruction problems in geometry and topology.
- Workshop on Geometry of Surface Group Representations, CRM, Barcelona, March-June, 2012 Program.
- Geometry and Analysis of Surface Group Representations, IHP, Paris, January-March, 2012.
- Master class at QGM, Aarhus University: The Ehrenpreis conjecture by Jeremy Kahn and Vladimir Markovic http://qgm.au.dk/cal/special/2012/ehrenpreis/, August 6-10, 2012.
- Conference at QGM, Aarhus University: Progress in low-dimensional topology: Teichmüller theory and 3-manifold groups http://qgm.au.dk/cal/special/2012/progress/, August 11-14, 2012.
- Mathematics and Physics of Moduli Spaces, Heidelberg, Germany, September 24-28, 2012.

The main thematic focus is higher Teichmueller spaces and the various contexts in which they arise in theoretical physics. The goal of this activity is to make recent developments accessible to both mathematicians and physicists. The program will consist of lecture series given by Vladimir Fock, Edward Frenkel, Sergei Gukov, Francois Labourie, Greg Moore (tbc) and Joerg Teschner and a few additional talks. There will be plenty of time for informal discussions. - Workshop on Higher Teichmuller-Thurston Theory, CRM Montreal, October 15-19, 2012.
- ICMAT School on Conformal Blocks, Oct 15-19, 2012, Madrid (Spain).

2014

2013

2012