Talks

Upcoming events

• January 27-31, 2025 Minicourse "A proof of the Neumann-Wahl conjecture on Milnor fibers of splice type surface singularities". Research School ``Logarithmic and non-archimedean methods in singularity theory'', CIRM, Luminy, Marseille, France.

Past events

• December 12th, 2023. Tropical del Pezzo surfaes in low degree. Special Session on Algebraic Surfaces, 8th Iberoamerican Congress on Geometry, Reserch Center "Geometry at the Frontier", Universidad de la Frontera, Pucón, Chile.


• October 11th 2023. Combinatorics and Geometry in the tropics. Invitations to Mathematics Lecture Series, The Ohio State University, Columbus, OH, US.


• July 7th, 2023, Lines and curves in the tropics. Colloquium, PRiME (Pomona Research in Mathematics Experience), Pomona College, CA, US.


• May 24th, 2023, Splice type surface singularities and their local tropicalizations. Algebraic Geometry Seminar, University of Trento, Italy.


• May 18th, 2023,Local tropicalization: a combinatorial approach to complex singularity links, Workshop 2320: Tropical Methods in Geometry, Mathematisches Forschungsinstitut Oberwolfach, Germany.


• May 3rd, 2023, Splice type surface singularities and their local tropicalizations. Algebraic Geometry Seminar, UC Davis, CA, US.


• February 21st, 2023, Splice type surface singularities and their local tropicalizations. Algebraic Geometry Seminar, OSU, OH, US.


• February 23rd, 2023, Splice type surface singularities and their local tropicalizations. Algebra, Combinatorics, and Geometry seminar, University of Pittsburgh, PA, US.


• February 24th 2023, Lines in the Tropics. Colloquium, University of Pittsburgh, PA, US.


• August 4th, 2022, Splice type surface singularities and their local tropicalizations, LMS-Bath Workshop on Combinatorial Algebraic Geometry, University of Bath, UK.


• June 27th, 2022, Lines in the Tropics, Combinatorial, Computational, and Applied Algebraic Geometry, U. Washington, Seattle, WA, US.


• June 20th, 2022, Lines in the Tropics. MEGA 2022 (Effective Methods in Algebraic Geometry), Krakow, Poland.


• May 27th, 2022, Resoluciones combinatorias de singularidades empalmadas. Algebraic Geometry Seminar, University of Buenos Aires, CABA, Argentina.


• February 25th, 2022, Splice type surface singularities and their local tropicalizations. (LAGARTOS) Latin American Geometria Algebraica Real y TrOpical Seminar. [Slides]


• November 25th, 2021, Splice type surface singularities and their local tropicalizations. Conference "Faces of singularity theory", Jean-Morlet thematic semester in Singularity Theory at C.I.R.M, Luminy, France.


• November 16th, 2021, Splice type surface singularities and their local tropicalizations. Algebraic Geometry Seminar, UC Riverside, CA, US.


• April 16th, 2021, Combinatorics and real lifts of bitangents to tropical quartic curves. Algebraic Geometry and Polyhedra, ICERM, Providence, RI, US.


• March 21st, 2021, Combinatorics and real lifts of bitangents to tropical quartic curves. Special Session on Moduli of Curves, Hilbert Schemes, and Tropical Geometry (Code: SS 10A), AMS Spring Eastern Sectional Meeting (online), Brown University, RI, US.


• March 3rd, 2021, Lines in p-adic geometry. Radical Pi Seminar, The Ohio State University, Columbus, OH, US. [Lecture Notes]


• February 19th, 2021, Computational challenges for tropical del Pezzo surfaces. Sage/Oscar Days for Combinatorial Algebraic Geometry, ICERM, Providence, RI, US.


• December 7-11, 2020, TBD. Conference on "Tropical Geometry, Berkovich Spaces, Arithmetic D-Modules and p-adic Local Systems." Imperial College, London, UK. (cancelled)


• September 15th, 2020. Combinatorics and real lifts of bitangents to tropical quartic curves. Algebraic Geometry Seminar, OSU, OH, US. [Slides].


• July 27th-31st, 2020, Introduction to Project 4: Tropical degree-two del Pezzo surfaces and their 56 lines. Women in Algebraic Geometry Workshop (virtual-event), ICERM, Providence, RI, US.


• May 6th, 2020. Combinatorics and real lifts of bitangents to tropical quartic curves. Algebraic Geometry Seminar, UC Davis, CA, US. [Slides].


• February 12th, 2020, Finding lines in the tropics Radical Pi Seminar, The Ohio State University, Columbus, OH, US.


• December 19th, 2019. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Oberseminar Algebra und Geometrie, Goethe Universität Frankfurt, Germany.


• December 11th, 2019. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Forschungsseminar Diskrete Mathematik und Geometrie, Technische Universität Berlin, Germany.


• April 13-14th, 2019. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. WAGS Spring 2019, UC Berkeley, CA, US.


• April 1st, 2019, 12:50-1:50pm. Combinatorics of line arrangements on tropical cubic surfaces. Algebra Seminar, Georgia Tech, Atlanta, GA, US.


• March 31, 2019, 11:00am-12:00pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Gattaca (Georgia Tech Tropical Arithmetic and Combinatorial Algebraic-geometry) conference. Georgia Tech, Atlanta, GA, US.


• February 27th 2019, 5:00-6:00pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Geometry and Physics Seminar, University of Miami, FL, US.


• February 22nd 2019, 4:00-5:00pm. Lines on tropical cubic surfaces. Colloquium, University of Wisconsin, Madison, WI, US.


• February 5th 2019, 4:00-5:00pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Algebraic Geometry and Number Theory seminar, Rice University, Houston, TX, US.


• November 10th 2018, 11:10-11:55am. Lines in the tropics. Blackwell-Tapia Conference 2018, ICERM, Providence, RI, US. [Slides]


• October 31st 2018, 4:05-5:35pm.. Combinatorics and Geometry in the (spooky) tropics. Invitations to Mathematics Lecture Series, The Ohio State University, Columbus, OH, US. [Abstract]


• October 11th 2018, 2:50pm-3:45pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Geometry, Physics, and Representation Theory Seminar, Northeastern University, Boston, MA, US.


• October 9th 2018, 3:00pm-4:00pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US.


• June 21st 2018, 4:00-5:00pm. Tropical Geometry of genus two curves. Combinatorial Algebraic Geometry Retrospective Workshop, the Fields Institute for Research in Mathematical Sciences, Toronto, ON, Canada. [Lecture Notes]


• May 22nd, 29th, June 12th 2018, 10:00am-12:00am. Berkovich analytic spaces from the tropical perspective. Minicourse at the Université de Lille I, Laboratoire Paul Painlevé, Lille, France. (6 hours total).


• April 2nd 2018, 3:35-4:25pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines Algebra Seminar. The University of Tennessee Knoxville, TN, USA.


• March 6th 2018, 14:00-15:00. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines Seminar, Spring 2018 research program on "Tropical Geometry, Amoebas and Polytopes". Institut Mittag-Leffler, Djursholm, Sweden.


• October 21st 2017, 10:15-11:05am. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. The Canadian Western Algebraic Geometry Symposium, University of Alberta, Edmonton, AB, Canada.


• October 11th 2017, 11:00am-12:00pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Algebraic Geometry Seminar, UC Davis, CA, US.


• September 12th 2017, 3:00-4:00pm. Tropical geometry of genus 2 curves. Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US.


• May 23rd 2017, 11:10-11:40am. Tropical Geometry of genus 2 curves. The 2017 Midwest Combinatorics Conference, Minneapolis, MN.


• April 29th 2017, 9:30-10:25am. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. ALGECOM-15 (conference on algebra, geometry and combinatorics). University of Illinois Urbana-Champaign, Urbana, IL.


• February 23rd 2017, 5:30-6:30pm: Tropical Mathematics. AWM student chapter meeting. The Ohio State University, OH, US.


• November 22nd, 24th, 29th - December 1st 2016, 11:00am-12:20pm. Berkovich analytic spaces from the tropical perspective. Graduate Course (Tapas Series), Major Theomatic program "Combinatorial Algebraic Geometry. Fields Institute, Toronto, ON, Canada. [Lecture 1], [Lecture 2], [Examples (L2)], [Lecture 3], [Lecture 4]


• October 7th 2016, 2:00pm-3:00pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Workshop on Convexity in Algebraic Geometry. Fields Institute, Toronto, ON, Canada.


• July 4th-8th 2016. Valuations of function fields and projective geometry (4-hour minicourse). Summer School: Geometry of Valuations, Goethe Universität Frankfurt, Germany. [Lecture Notes]


• June 8th 2016, 1:30pm-1:55pm. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. SIAM conference on Discrete Mathematics. Minisymposium on Tropical Mathematics and its applications. Georgia State University, Atlanta, GA, US.


• March 30th and April 6th 2016, 4:10-5:00pm. An invitation to Tropical Geometry and non-Archimedean combinatorics. Invitations to Mathematics Lecture series, OSU, OH, US. [Abstract]


• February 11th 2016, 4:30pm-5:30pm. Genus two tropical curves and their Igusa invariants. Welcome Seminar lecture series, OSU, OH, US.[Abstract]


• December 29th 2015, 3:30pm-4:30pm. Non-Archimedean Combinatorics. Colloquium IMSc, Institute of Mathematical Sciences, Chennai, India.


• November 19th 2015, 10:20am-11:15am. Combinatorics of the compact tropical Grassmannian. Combinatorics Seminar, OSU, OH, US.


• October 29th 2015, 3:00pm-4:00pm. Repairing tropical curves by means of tropical modifications. Algebraic and Tropical Geometry Seminar, Yale University, New Haven, CT, US.


• October 26th 2015, 3:05pm-4:00pm. Repairing tropical curves by means of tropical modifications. Algebra Seminar, GaTech, GA, US.


• October 22nd 2015, 3:00pm-4:00pm. Repairing tropical curves by means of tropical modifications. Algebra Seminar, University of Kentucky, Lexington, KY, US.


• September 22nd 2015, 11:00am-12:00pm. On analytification and higher-rank tropical varieties (after Foster and Ranganathan). Special Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US.


• September 1st 2015, 3:00-4:00pm. Repairing tropical curves by means of tropical modifications. Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US.


• July 21st 2015, 5:10pm-5:35pm. Repairing tropical curves by means of linear tropical modifications. Contributed talk, Week 2 of the AMS Summer Institute in Algebraic Geometry, University of Utah, Salt Lake City, US.


• July 6th 2015, 9:45am-10:45am. Introduction to Tropical Geometry. Lecture for the Graduate Student Bootcamp for the 2015 Algebraic Geometry Summer Research Institute, University of Utah, Salk Lake City, US. [Abstract]


• May 4th 2015, 3:15pm-4:00pm. Combinatorial Aspects of Tropical Geometry and its interactions with phylogenetics. R. Rabadan Lab Meeting, Columbia University College of Physicians and Surgeons. [Slides]


• April 15th 2015, 4:00pm-5:30pm. Repairing tropical curves by means of linear tropical modifications. Algebraic Geometry Seminar, Stony Brook University, NY, US. [Slides with examples]


• April 11th 2015, 10:30am-10:50am. Repairing tropical curves by means of linear tropical modifications, Special session in Algebraic Geometry, 3rd AWM Research Symposium, University of Maryland, US.


• March 22nd 2015, 11:00am-12:00pm. Faithful tropicalization of the Grassmannian of planes. AGNES Spring 2015, Boston College, MA, US.


• January 20th 2015, 2:00pm-3:00pm. Departmental Colloquium Talk, Colorado State University, Fort Collins, CO, US.


• January 16th 2015, 4:30pm-5:30pm. Departmental Colloquium Talk, Queen's University, Kingston, ON, Canada.


• December 15th, 2014, 2:00-3:00pm. Recruitment Talk, Ohio State University, Columbus, OH, US.


• December 11th 2014. Repairing tropical curves by means of linear tropical modifications. Special session on Algebraic Geometry, 8th ANZMC, Melbourne, Australia. [Slides with examples]


• December 9th 2014, 9:00am-10:00am. ECR Plenary talk (title: "Non-Archimedean Combinatorics"). 8th Australia-New Zealand Mathematics Convention (ANZMC), Melbourne, Australia. [Slides]


• December 6th 2014, 2:50pm-3:30pm. The journey of a tropical geometer through four countries. Early Career Workshop of the Australian Mathematical Society, Melbourne, Australia. [Abstract] [Slides]


• December 1st 2014, 3:30pm-4:30pm. Departmental Colloquium talk, Binghampton University, NY, US. [Abstract]


• November 20th 2014, 3:00pm-5:00pm. Faithful tropicalization of the Grassmannian of planes. Front Range Algebra, GeoMEtry and Number Theory Seminar, Colorado State University, CO, US.


• November 14th 2014, 10:30am-12:00pm. Faithful tropicalization of the Grassmannian of planes. Graduate Students Algebraic Geometry Seminar, Columbia University, NY, US.


• November 11th 2014, 3:30pm-4:30pm. Repairing tropical curves by means of linear tropical modifications. Algebraic Geometry Seminar, Courant Institute, NYU, US Room 201. [Slides with examples]


• October 26th 2014, 4:30pm-5:00pm. Faithful tropicalization of the Grassmannian of planes. Special session on Combinatorics and Algebraic Geometry, AMS Fall Western Sectional Meeting 2014, San Francisco State University, San Francisco, CA, US. [Abstract], [Slides]


• October 16th 2014, 10:40am-11:00am. Combinatorial aspects of Tropical Geometry. Special session on Combinatorial Algebraic Geometry, Annual SACNAS National conference, Los Angeles Convention Center. [Slides]


• September 20th 2014, 4:30pm-4:50pm. Repairing tropical curves by means of linear tropical modifications. Special session on Toric Varieties, AMS Fall Central Sectional Meeting 2014, University of Wisconsin-Eau Claire, US. [Abstract]


• May 1st 2014, 2:00pm-3:00pm. Faithful tropicalization of the Grassmannian of planes. Number Theory and Algebraic Geometry Seminar. Boston College, US. Room: Carney 309.


• April 22nd 2014, 4:00pm-5:00pm. Faithful tropicalization of the Grassmannian of planes. Algebraic Geometry Seminar. Rice University, Houston, TX, US. Room Herman Brown 227.


• November 22nd 2013, 4:00pm-5:00pm. Faithful tropicalization of the Grassmannian of planes. Valley Geometry Seminar. University of Massachussets at Amherst, US. Room 1634 LGRT.


• November 7th 2013, 4:30pm-5:30pm. Faithful tropicalization of the Grassmannian of planes. Seminar on Algebraic and Tropical Geometry. Yale University, CT, US. Room 431 DL.


• October 21st 2013, 3:05pm-4:00pm. Faithful tropicalization of the Grassmannian of planes. Algebra Seminar. Georgia Institute of Technology, GA, US. Room Skiles 005.


• October 14th 2013, 5:30pm-7:00pm. Faithful tropicalization of the Grassmannian of planes. Informal Mathematical Physics Seminar, Columbia University, NY, US, Room 507. [Abstract]


• June 28th 2013, 2:15pm-3:15pm. Mixed discriminants. Departmental Colloquium, Saarland Universität, Saarbrücken, Germany. Lecture hall IV, Building E2 4.


• June 11th 2013, 2:00pm-3:00pm. Mixed discriminants. Géométrie Algébrique Séminaire (Responsable: Olivier Serman), Laboratoire Paul Painlevé, Université Lille 1, France. Salle Kampé de Fériet - M2.


• May 16th 2013, 2:15pm-3:15pm. Mixed discriminants. Discrete Geometry Seminar, Freie Universität Berlin, Germany. Seminar room, Arnimallee 2.


• May 8th 2013, 4:00pm-5:00pm. Mixed discriminants. Geometry Seminar, The University of Edinburgh, Scotland, UK. JCMB 6311.


• February 7th 2013, 4:00pm-5:00pm. Faithful tropicalization of the Grassmannian of planes. Joint Seminar Kaiserslauter-Saarbrücken. Universität Saarbrücken, Germany. Room E2 4, SR 5.


• August 8th 2012, 3:15pm-4:15pm. Mixed discriminants. Algebra and Combinatorics Seminar, Aalto University, Helsinki, Finland. Room U510.


• May 10th 2012, 2:30pm-3:30pm. Mixed discriminants. Seminar in Algebra and Algebraic Geometry, University of Oslo, Norway. Room B63.


• May 2nd 2012, 2:00pm-3:00pm. Mixed discriminants. AG Diskrete Mathematik, Goethe-Universität Frankfurt, Germany. Raum 711 Groß.


• April 3rd 2012, 3:10pm-3:40pm. Combinatorial normal crossings and geometric tropicalization. Workshop on Tropical Geometry. International Centre for Mathematical Sciences, Edinburgh, UK.


• October 22nd 2011, 3:00pm-3:20pm. Implicitization of surfaces via geometric tropicalization. Special Session on Computational and Algorithmic Algebraic Geometry. AMS Western Sectional Meeting, Salt Lake City, Utah.


• October 7th 2011, 11:00am-11:25am. Implicitization of surfaces via geometric tropicalization. SIAM Conference of Applied Algebraic Geometry. North Carolina State University. Raleigh, NC. Room Riddick 314. [Slides]


• September 29th 2011, 2:00pm-3:00pm. An implicitization challenge in binary factor analysis. Conference on tropical geometry and computational biology. Universität des Saarlandes, Saarbrücken. [Slides]


• September 21st 2011, 4:00pm-5:00pm. An implicitization challenge in binary factor analysis. Symbolic Computation Seminar. North Carolina State University, Raleigh, NC. Room SAS 4201. [Slides]


• August 8th 2011, 5:10pm-5:40pm. Implicitization of surfaces via geometric tropicalization. ELGA 2011 - Research Workshop. Córdoba, Argentina. [Slides]


• May 13th 2011, 3:00pm-4:00pm. Implicitization of surfaces via geometric tropicalization. Seminari Geometria Algebraica, University of Barcelona, Spain. Room B1 FM-UB. [Slides]


• May 7th 2011, 11:45am-12:30pm. Implicitization of surfaces via geometric tropicalization. Discrete, Tropical and Algebraic Geometry Workshop. Goethe-Universität Frankfurt, Germany.


• March 23rd 2011, 10:15am-12:00pm. Tropical secant graphs of monomial curves. Combinatorics Seminar. KTH, Stockholm, Sweden. Department of Mathematics, Room 3733.


• February 21st 2011, 2:00pm-3:00pm. Implicitization of surfaces via geometric tropicalization. Solving polynomial equations workshop, CIAM/KTH, Stockholm, Sweden. [Slides]


• January 14th 2011, 4:00pm-5:00pm. Implicitization of surfaces via geometric tropicalization. Worlwide Center of Mathematics, Cambridge, MA. [Poster]


• December 10th 2010, 4:00pm-5:00pm. Tropical secant graphs of monomial curves. The Valley Geometry Seminar. University of Massachusetts, Amherst. Room 1634 LGRT.


• December 6th 2010, 12:15pm-1:15pm. Tropical secant graphs of monomial curves. GASC Seminar. Northeastern University. Room 511 Lake Hall.


• July 17th 2010, 3:00pm-3:40pm. Tropical Secant Graphs of Monomial Curves. PhD Students Conference on Tropical Geometry 2010. Goethe-Universität Frankfurt, Germany. [Slides]


• July 12th 2010, 2:15pm-3:45pm. Tropical Secant Graphs of Monomial Curves. Algebraic Geometry Seminar, Freie Universität Berlin, Berlin, Germany. Room 119, Arnimallee 3. [Handout]


• June 18th 2010, 3:00pm-4:00pm. Tropical Secant Graphs of Monomial Curves. Seminari Geometria Algebraica. University of Barcelona, Spain. Room B1 FM-UB.


• June 4th 2010, 4:00pm-4:20pm. Tropical Secant Graphs of Monomial Curves. AMS-SMM Eighth International Meeting, Special Session on Singularity Theory and Algebraic Geometry (June 2nd-4th 2010). UC Berkeley, Berkeley, US. [Abstract] [Slides]


• January 25th 2010 5:00pm-6:00pm. Tropical Secant Graphs of Monomial Curves. Combinatorics Seminar, UC Berkeley. [Slides]


• November 23rd 2009, 10:00am-10:50am. An implicitization challenge in binary factor analysis. Graduate Student Tropical Geometry Seminar - MSRI. [Slides]


• September 3rd 2009, 11:30am-3:30pm. Postdoc Seminar Kick-Off Event. [Slides]


• August 20th 2009, 3:30pm-4:10pm. Geometry of Restricted Boltzmann Machines Seminar on Applications of Tropical Algebra - UC Berkeley. 740 Evans Hall.


• July 2nd 2009, 1:00pm-2:00pm. Implicitación de modelos de estadística algebraica via Geometría Tropical. Seminario de Geometría Algebraica - Universidad Complutense de Madrid (UCM), Spain. Seminario 238.


• June 15th - 19th 2009. MEGA 2009. Research Communication: An implicitization challenge in binary factor analysis. (joint work with Josephine Yu). University of Barcelona, Spain. [Slides]


• October 1st 2008, 1:00pm-2:00pm. Tropical Mixtures of tree metrics. Discrete Math Seminar. 939 Evans. [Abstract]


• June 10th 2008, 2:00pm-3:00pm. Tropical mixtures of phylogenetic trees with the same topology. Algebraic Geometry and its applications. University of Buenos Aires.


• February 19th 2008, 5:00pm-6:00pm. Some results on inhomogeneous discriminants. Commutative Algebra & Algebraic Geometry Seminar. 939 Evans. [Notes]