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My research in Geometry as well as in other fields.


I am partially supported by the NSF grant DMS-1509693 and by the
Alexander von Humboldt Foundation

For updates on papers to come, see my CV


Lara Anderson (Virginia Tech)
Kai-Siang Ang (Stanford)
David Baraglia (Adelaide)
Indranil Biswas (Tata Inst.)
Steve Bradlow (UIUC)
Mboyo Esole (Northeastern)
Laura Fredrickson (Stanford)

Jonathan Heckman (UNC)
Sebastian Heller (Tübingen)
Nigel Hitchin (Oxford)
Sheldon Katz (UIUC)
Jessica Li (Harvard)
James Unwin (UIC)
Anlin Zhang (MIT-Primes) 

Publications and Preprints in main research area

17. Singular geometry and Higgs bundles in string theory, with Lara B. Anderson, Mboyo Esole and Laura Fredrickson

(to appear soon).

16. Cayley and Langlands type correspondences for Orthogonal Higgs bundles, with David Baraglia.



15. T-Branes at the Limits of Geometry, with Lara Anderson, Jonathan Heckman and Sheldon Katz.

JHEP, to appear, (2017).


14. Branes through finite group actions, with Sebastian Heller



13. On the Brauer group of Higgs bundles and connections, with David Baraglia and Indranil Biswas.

Hitchin 70 proceedings, Oxford University Press, to appear, (2017).


12. A geometric approach to orthogonal Higgs bundles




11. Higgs bundles and applications

Oberwolfach Reports, Report No. 31 (2015), 31-33 (DOI: 10.4171/OWR/2015/3).


10. Automorphisms of C^* moduli spaces associated to a Riemann surface

with David Baraglia and Indranil Biswas.

SIGMA 12 (2016), 007.

Arxiv: 1508.06587 

9. Higgs bundles and exceptional isogenies, with Steve Bradlow. 

Research in the Mathematical Sciences (2016) 3:14.

Arxiv. 1508.02650

8. Monodromy of rank 2 twisted Hitchin systems and real character varieties, with D. Baraglia, 

Transactions of the American Mathematics Society (to appear)

Arxiv. 1506.00372  

7. An introduction to spectral data for Higgs bundles 

Lecture Note Series, IMS, NUS., to appear, (2017).

arXiv. 1408.0333 

6. Real structures on moduli spaces of Higgs bundles, with D. Baraglia, 

Advances in Theoretical and Mathematical Physics, Vol 20, No 3, 525 – 551. 

arXiv. 1309.1195 

5. Spectral data for U(m,m)-Higgs bundles, 

International Mathematics Research Notices, (2014).

arXiv. 1307.4419. 

4. Nonabelianization of Higgs bundles, with N. Hitchin,

Journal of Differential Geometry, Volume 97, Number 1 (2014), 79-89.

arXiv: 1307.0960.  

3. Higgs bundles and (A,B,A)-branes, with D. Baraglia,

Communications in Mathematical Physics, 331 3, pp 1271-1300 (2014).

arXiv: 1305.4638

 2. Spectral data for G-Higgs bundles,

DPhil thesis, University of Oxford (2013).


 1. Monodromy of the SL_2 Hitchin fibration,

International Journal of Mathematics, Vol. 24 No. 2 (2013). 


0. A symplectic approach to constrained mechanical systems. 

MsC thesis (2008). (PDF file in Spanish)

Other Publications and Preprints

6. The phone walkers: A study of human dependance on inactive mobile devices, with James Unwin.

(submitted), (2017).

5. Modeling epidemics on d−cliqued graphs, with Anlin Zhang.

(submitted), (2017).

4. On the geometry of regular icosahedral capsids containing disymmetrons, with Kai-Siang Ang. 

Journal of Structural Biology, Vol. 197 No. 3, pp. 340-349 (2017).


3 Interface control and snow crystal growth, with Jessica Li, 

Phys. Rev. E 93, 023302, (2016).

arXiv. 1505.02042

2. Bridges between worlds, from past to present 

 AIMatters 2016, Newsletter of the American Institute of Mathematics (2016).

1. Sonia Kovalevsky Days in Chicago, with James Unwin.

AWM Newsletter, Volume 46 No. 6. (2016).

Events Organized

More meetings will come...


20.  2018 (September) 
Geometry and Physics of Higgs bundles

 La Plata & Buenos Aires, Argentina

Co-organized with Marina Logares. 

19. 2017 (November) 
AIM Workshop

Singular Geometry and Higgs Bundles in String Theory

co-organized with Lara Anderson, Mboyo Esole and Laura Fredrickson.  

18. 2017 (November) 
Two-day workshop

Current trends on spectral data for Higgs bundles III

17. 2017 (November) 
Weekend Workshop

RTG Workshop on the Geometry and Physics of Higgs bundles II


16. 2017 (November)

Sonia Kovalevsky Day III

co-organized with
James Unwin
at UIC, USA.

15. 2017 (February)
Chicago Action Now!  

Rotating Chicagoland workshop on Dynamical Systems, Group Actions, 
Geometry and related topics

co-organized w/ D. Dumas, A. Furman, D. Groves,  K. Whyte.

14. 2017 (July)
Special Session of MCA2017 

Geometry and Physics of Higgs bundles

co-organized with F. Schaffhauser and R. Wentworth 

13. 2017 (May)
Birthday workshop

Geometry and Physics of augmented bundles

co-organized with B. Collier and G. Daskalopoulos.

12. 2017 (April)
Graduate workshop

Graduate day on Geometry and Topology at UIC


11. 2016 (November)
Sonia Kovalevsky Day

Knots & Graphs

co-organized with James Unwin
at UIC, USA.

 10. 2016 (November)
Graduate workshop

Graduate day on Geometry and Topology at UIC


9. 2016 (October)
Weekend workshop

RTG Workshop on the Geometry and Physics of Higgs bundles

At the University of Illinois at Chicago, USA.

8. 2016 (July)
V CLAM & CLAM Session

Higgs bundles, instantons and real character varieties

co-organized with Florent Shaffhauser,
in Barranquilla, Colombia.

7. 2016 (June)
SCGP workshop

New perspectives on Higgs bundles, branes and quantization

co-organized with Lara Anderson, David Baraglia and Vivek Shende.

6. 2016 (June)
Weekend Workshop

Current trends on spectral data for Higgs bundles II

co-organized with Lara Anderson,
at SCGP, Stony Brook, USA.

5. 2015 (November)
Sonia Kovalevsky Day

Maths & Magic

co-organized with James Unwin
at UIC, USA.

4. 2015 (October) AIM Workshop

Spectral data for Higgs bundles

Co-organized with Joergen Andersen, David Baraglia, Philip Boalch

3. 2015 (September)
Weekend Workshop

Current trends on spectral data for Higgs bundles I

at AIM, San Jose, USA.

2. 2014 (November) UIUC Weekend Festival

MoSAIC Festival

Co-organized with Jayadev Athreya et al.

1. 2014 (May)
Junior Gear Retreat

GEAR Junior Retreat

Co-organized with M. Lee, S. Maloni, A. Sanders. (PHOTOS)



19. Emily Cliff (UIUC)

April 16-17, 2017 

18. Nathan Clemen (Wisconsin)

April 10, 2017

17Caleb Ashley (U Michigan)

March 12-14, 2017  

16. Tom Nevins (UIUC)

January 30, 2017  

15. Gabe La Nave (UIUC)

January 23-24, 2017   

14. Sara Maloni (Virginia)

January 8-9, 2017  


13. Marina Logares (Oxford)

October 21-25, 2016. 

12. Steve Rayan (Saskatchewan)

October 21-25, 2016.  

11. Jordan Watts (Boulder)

September 24-27, 2016.  

10. Jayadev S. Athreya (Seattle)

August 28-30, 2016.

9. Lara B. Anderson (Virginia Tech)

April 17-20, 2016.  

8. Michael Groechenig (Imperial)

April 13 2016  

7. Steve Bradlow (UIUC)

April 11 2016  

6. Brent Pym (Oxford)

March 7-10, 2016.  


5. Laura Fredrickson (UT Austin)

November 15-16, 2015.  

4. Pedram Hekmati (IMPA)

November 10-12, 2015.  

3. Theo Johnson-Freyd (Northwestern)

November 2 2016  

2. Brian Collier (UIUC)

September 13-15, 2015. 

1. Alan Thompson (Waterloo)

September 5-10, 2015.  

I travel both to give talks and to do reearch visits. The latter can be found in my CV. 



  1. 18-21 September 2018, Anual meeting of the Argentinian Maths Society (Plenary Talk), La Plata, Argentina.
  2. 25-30 July 2018, ICM Satelite "Moduli Spaces in Algebraic Geometry and Applications" (Plenary Talk), Campinas, Brazil.
  3. 4-8 June 2018, Quantization and Moduli Spaces, Luxembourg.
  4. 22-26 January 2018, Iberoamerican Congress on Geometry (Plenary Talk), Valladolid, Spain.


  1. November 28 2017, GEAR seminar, University of Illinois at Urbana Champaign, USA.
  2. November 9 2017, Felix Klein seminar, University of Notre Dame, USA.
  3. October 19 2017, Seminar at IST, Vienna, Austria. 
  4. October 16 2017, Mathematical Physics seminar, University of Heidelberg, Germany.
  5. October 11 2017, Higher Differential Geometry seminar, MPI, Bonn, Germany.
  6. September 1 2017, The Analysis of Gauge-Theoretic Moduli Spaces, Banff, Canada.
  7. August 15 2017, Harmonic Maps, Higgs Bundles and Integrable Systems, Hannover, Germany.
  8. August 8 2017, GEOQUANT Conference, Jutland, Denmark.
  9. August 3 2017, Topological and Algebraic Advances in QFT, Varese, Italy.
  10. July 30-August 1, GEAR Retreat (Mini-Course), Stanford University, USA.
  11. July 25 2017, Gauge theory and special geometry, MCA 2017, Montreal, Canada.
  12. July 17 2017, Geometry Seminar, FU Berlin, Germany.
  13. June 22 2017, Center for Mathematical Physics (Colloquium), Hamburg, Germany.
  14. June 12 2017, Workshop on Moduli theory & Derived category, SNU, Seoul, South Korea.
  15. June 6 2017, Mathematics - String Theory seminar, Kavli IPMU, Japan.
  16. June 1 2017, Higgs bundles and related topics, Nice, France.
  17. May 11 2017, National University of La Plata (Colloquium), La Plata, Argentina.
  18. May 29 2017, Mirror Symmetry Conference for Young Mathematicians, Ann Arbor, USA
  19. May 22 2017, Topology Seminar, Northwestern University, USA.
  20. April 2-8 2017, British Isles Graduate Workshop Higgs bundles  (Mini-Course mentor), UK.
  21. March 27-31 2017, BUNDLES, TIFR, Mumbai, India.
  22. March 24-27 2017, School on Geometry and Physics, Bangalore, India.
  23. February 25 2017, Fifth Annual Midwest Women in Mathematics Symposium (WIMS), Indianapolis, USA.
  24. February 14 2017, Mathematical Physics Seminar, IMPA, Brazil.
  25. January 24 2017, Geometric Analysis Seminar, University of Chicago, USA
  26. January 19 2017, Mathematical Physics seminar, Purdue University, USA.
  27. January 17 2017, Algebraic Geometry Seminar, University of Chicago, USA.


  1. December 2 2016. Encuentro Rioplatense de Álgebra y Geometría, La PLata, Argentina.
  2. November 11. Indiana University–Purdue University Indianapolis (Colloquium), USA.
  3. September 12-16 2016. Hitchin70, Madrid, Spain.
  4. August 19-26 2016. Mini course at the summer program of the University of British Columbia, Canada.
  5. August 4 2016, New Perspectives on Moduli Spaces in Gauge Theory, Singapore.
  6. July 2016. String-Maths, Paris, France. (Video)
  7. May 6 2016. Algebraic Geometry Seminar, National University of Buenos Aires, Argentina.
  8. April 28 2016. Geometry Seminar, University of Texas at Austin , USA.
  9. April 22-23 2016. Representation Theory, Integrable Systems and QFT, Northwestern University, USA.
  10. March 15-31, 2016. Mini Course at the Summer school at ICTS, Bangalore (Video), India.
  11. March 4, 2016. UIC Mathematics Department (Colloquium), Chicago, USA.
  12. February 2016. Higgs Bundles in Geometry and Physics, Heidelberg University, Germany.
  13. January 25 2016. Geometry and Analysis Seminar, University of Oxford, UK.
  14. January 2016. Higgs bundles and Hitchin system, Centre Bernoulli, Switzerland.
  15. January 2016. Conference on Quadratic Differentials, Cape Town, South Africa. 

2008 - 2015

See HERE or CV