Past Activities
Fall 17
 Algebraic
Geometry Seminar (coorganizer).
 Geometry, combinatorics, and integrable systems (coorganizer).
 Combinatorics Seminar.
 October 912: Geometric and topological combinatorics: Modern techniques and methods. Mathematical Sciences Research Institute, Berkeley, CA, US.
 October 2122: The Canadian Western Algebraic Geometry Symposium, University of Alberta, Edmonton, AB, Canada.
 November 30: BATMOBYLE Day VII. Yale University, CT, USA.
 September 12: Tropical geometry of genus 2 curves. Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US.
 October 11:. Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Algebraic Geometry Seminar, UC Davis, CA, US.
 October 21: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. The Canadian Western Algebraic Geometry Symposium, University of Alberta, Edmonton, AB, Canada.
Summer 17
 July 1726: Bernoulli Brainstorm scheme, Centre Interfacultaire Bernoulli CIB, Lausanne, Switzerland (joint with Patrick PopescuPampu and Dmitry Stepanov). Topic: A tropical approach to Milnor fibers of rational surface singularities.
 July 1016: Research visit to Patrick Popescu Pampu's Group, Laboratoire Paul Painlevé, Université Lille 1, France.
 May 2325: 2017 Midwest Combinatorics Conference. Minneapolis, MN.
 May 23: Tropical Geometry of genus two curves. 2017 Midwest Combinatorics Conference. Minneapolis, MN. Room: Vincent Hall 16
Spring 17
 Algebraic
Geometry Seminar (coorganizer).
 Geometry, combinatorics, and integrable systems (coorganizer).
 Combinatorics Seminar.
 OSU Departamental Colloquium (coorganizer).
 February 39: PEAK 17: Perspectives and Emerging Topics in Algebra and Konvexity. Haus
Bergkranz, Riezlern (Kleinwalsertal), Austria.
 April 1014: Foundations of tropical schemes. American Institute of Mathematics, Palo Alto, CA.
 April 29: ALGECOM 15 (conference on algebra, geometry and combinatorics). University of Illinois UrbanaChampaign, Urbana, IL.
 February 23: Tropical Mathematics. AWM student chapter meeting. The Ohio State University, OH, US.
 April 29: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. ALGECOM15 (conference on algebra, geometry and combinatorics). University of Illinois UrbanaChampaign, Urbana, IL, US.
Fall 16
 Algebraic
Geometry Seminar (coorganizer).
 Geometry, combinatorics, and integrable systems (coorganizer).
 Combinatorics Seminar.
 OSU Departamental Colloquium (coorganizer).
 July 15December 15: longterm visitor of the thematic program on Combinatorial Algebraic Geometry, Fields Institute, Toronto, ON, Canada.
 September 20: BATMOBYLE Day V. Brown University, RI, USA.
 October 37: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Workshop on Convexity in Algebraic Geometry. Fields Institute, Toronto, ON, Canada.
 November 22, 24, 29  December: 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]
Summer 16
 July 48: Valuations of function fields and projective geometry
(4hour minicourse). Summer School: Geometry of Valuations, Goethe Universität Frankfurt, Germany.
 June 8: 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, USA.
 May 715: Research visit to Yale University and Columbia University.
Spring 16
 Algebraic
Geometry Seminar (coorganized with Dave Anderson and Davide Fusi).
 Combinatorics Seminar.
 OSU Departamental Colloquium.
 Invitation to Mathematics series.
 May 16: Algebraic, Tropical, and Nonarchimedean Analytic Geometry of Moduli Spaces (16w5153). BIRS, Casa Matemática Oaxaca, Oaxaca, Mexico.
 February 11: Genus two tropical curves and their Igusa invariants. Welcome Seminar lecture series, The Ohio State University, Columbus, OH, USA. Room: CH 240.
 March 30 and April 6: An invitation to Tropical Geometry and nonArchimedean combinatorics. Invitation to Mathematics Lecture Series, The Ohio State University, Columbus, OH, USA. Room: CH 240.
Fall 15
 Algebraic
Geometry Seminar (coorganized with Dave Anderson and Davide Fusi).
 Combinatorics Seminar.
 OSU Departamental Colloquium.
 Invitation to Mathematics series.
 October 2325: The Georgia Algebraic Geometry Symposium. Emory University, Atlanta, GA, USA.
 December 10: BATMOBYLE Day III. Yale University, New Haven, CT, USA.
 December 21  31: Research visit to the Institute of Mathematical Sciences (IMSc), Chennai, India.
 September 1: Repairing
tropical curves by means of tropical
modifications. Algebraic
Geometry Seminar, The Ohio State University, Columbus, OH, USA. Room: MW 154.
 September 22: On analytification and higherrank tropical varieties (after Foster and Ranganathan). Special Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, USA. Room: MW 154.
 October 22: Repairing
tropical curves by means of tropical
modifications. Algebra Seminar, University of Kentucky, Lexington, KY, USA. Room: POT 745.
 October 26: Repairing
tropical curves by means of tropical
modifications. Algebra Seminar, GaTech, Atlanta,
GA, USA. Room: Skiles 006.
 October 29: Repairing
tropical curves by means of tropical
modifications. Algebraic and Tropical Geometry Seminar, Yale
University, New Haven, CT, USA. Room: LOM 214.
 November 19: Combinatorics of the compact tropical Grassmannian. Combinatorics Seminar, The Ohio State University, Columbus, OH, USA. Room: MW 154.
 December 29: NonArchimedean Combinatorics. Colloquium IMSc, Institute of Mathematical Sciences, Chennai, India. Room: Hall 123.
Summer 15
 August 37: Three minisymposia on Tropical Geometry
(coorganized with Anders Jensen and Josephine Yu). SIAM Conference
on Applied Algebraic Geometry (AG15), Daejeon, Korea.
 July 1324: 2015 AMS Summer Research Institute in Algebraic
Geometry (weeks 1 and 2). University of Utah, Salt Lake City,
UT, US.
 July 610: mentor for the Graduate student BOOTCAMP for the 2015
Summer Research Institute in Algebraic Geometry, University of Utah,
Salt Lake City, UT, US. Topic: Tropical Geometry and applications to
algebraic geometry.
 July
21: Repairing tropical curves by means of linear tropical modifications. Contributed session, Week 2 of the 2015
Summer Research Institute in Algebraic Geometry, University of Utah,
Salt Lake City, US
Spring 15
 Algebraic Geometry Seminar (organized by
Davesh Maulik and Michael Thaddeus).
 Graduate student AG seminar (organized by Johan de Jong).
 Informal Mathematical Physics Seminar (organized by Igor Krichever and Andrei Okounkov).
 March 2022: AGNES Spring 2015. Boston College, MA.
 April 1112: Special
session in Algebraic Geometry, 3rd AWM Research Symposium,
University of Maryland, US.
 April 26  May 2: Workshop: Tropical Aspects in Geometry, Topology and Physics. MFO, Oberwolfach, Germany.
 January 16th: NonArchimedean Combinatorics. Departamental Colloquium Talk, Queen's University, Kingston, ON, Canada.
 January 20: NonArchimedean Combinatorics. Departamental Colloquium Talk, Colorado State University, Fort Collins, CO, US.
 March 2022: Faithful tropicalization of the
Grassmannian of planes. AGNES Spring 2015. Boston College, MA.
 April 1112: Repairing tropical curves by means of linear tropical modifications. Special
session in Algebraic Geometry, 3rd AWM Research Symposium,
University of Maryland, US.
 April
15: Repairing tropical curves by means of linear tropical modifications. Algebraic Geometry
Seminar, Stony Brook University, NY, US.
Fall 14
 Algebraic Geometry Seminar (organized by
Davesh Maulik and Michael Thaddeus).
 Graduate student AG seminar (organized by Johan de Jong).
 Informal Mathematical Physics Seminar (organized by Igor Krichever and Andrei Okounkov).
 2021 September: Special session on New Trends in Toric Varieties (SS 4A), AMS Fall Central Sectional Meeting 2014, University of WisconsinEau Claire, USA.
 1618 October: Special session on Combinatorial Algebraic
Geometry, Annual SACNAS National conference, Los Angeles Convention
Center.
 2526 October: Special Session on Combinatorics and Algebraic Geometry (Code: SS 9A), AMS Fall Western Sectional Meeting 2014, San Francisco State University, San Francisco, CA, USA.
 October 31  November 2: AGNES Fall 2014. University of Pennsylvania, Philadelphia, PA.
 67 December: Early Career Workshop of the Australian Mathematical Society, Melbourne, Australia.
 812 December:
8th AustraliaNew Zealand Mathematics Convention (ANZMC), Melbourne, Australia.
 2021 September: Repairing tropical curves by means of linear tropical modifications. Special session on New Trends in Toric Varieties (SS 4A), AMS Fall Central Sectional Meeting 2014, University of WisconsinEau Claire, USA.
 1618 October: Combinatorial aspects of Tropical Geometry. Special session on Combinatorial Algebraic
Geometry, Annual SACNAS National conference, Los Angeles Convention
Center.
 2526 October: Faithful tropicalization of the Grassmannian of planes. Special Session on Combinatorics and Algebraic Geometry (Code: SS 9A), AMS Fall Western Sectional Meeting 2014, San Francisco State University, San Francisco, CA, USA.
 11 November: Repairing tropical curves by means of linear tropical modifications. Algebraic Geometry Seminar, Courant Institute, NYU.
 14 November: Faithful tropicalization of the Grassmannian of planes Graduate Student Algebraic Geometry Seminar, Columbia University, NY.
 20
November: Faithful tropicalization of the Grassmannian of
planes. Front Range Algebra, GeoMEtry and Number Theory Seminar,
Colorado State University, CO, USA.
 1 December: Departamental Colloquium talk,
Binghampton University, NY, US.
 6 December: The journey of a tropical geometer through four countries. Early Career Workshop of the Australian Mathematical Society, Melbourne, Australia.
 9 December: NonArchimedean Combinatorics. ECR Plenary talk. 8th AustraliaNew Zealand Mathematics Convention (ANZMC), Melbourne, Australia.
 11
December: Repairing tropical curves by means of linear tropical
modifications. Special Session on Algebraic Geometry, 8th
AustraliaNew Zealand Mathematics Convention (ANZMC), Melbourne,
Australia.
 15 December: Recruitment Talk,
Ohio State University, Columbus, OH, US.
Summer 14
 1228 May: Research trip to Paris, France.
 29 May3 June: Research visit to Patrick Popescu Pampu, Laboratoire Paul Painlevé, Université Lille 1, France.
 814 June: MRC Summer School on Cluster Algebras, Snowbird, UT, USA
Spring 14
 Algebraic Geometry Seminar (organized by
Davesh Maulik and Michael Thaddeus).
 Graduate student AG seminar (organized by Johan de Jong).
 Informal Mathematical Physics Seminar (organized by Igor Krichever and Andrei Okounkov).
 MATH G6250: Topics in Representation Theory (Sachin Gautam).

2527
April: AGNES Spring 2014. Stony Brook, NY.
 27 January7 February: Research in Pairs at CIRM, Marseille, France (with Patrick PopescuPampu and Dmitry Stepanov). Topic:Tropical Geometry and Singularities.
 914 February: Research visit to Hannah Markwig, Universität
Saarbrücken, Germany.
 22 April: Faithful tropicalization of the
Grassmannian of planes. Algebraic Geometry Seminar, Rice University, Houston, TX, USA. Room Herman Brown 227.
 1 May: Faithful tropicalization of the
Grassmannian of planes. Number Theory and Algebraic
Geometry Seminar, Boston College, USA. Room: Carney 309.
Fall 13
 Samuel Eilenberg Lecture Series (Joe Harris).
 Algebraic Geometry Seminar (organized by
Davesh Maulik and Michael Thaddeus).
 Graduate student AG seminar (organized by Johan de Jong). Topic: Derived categories.
 Informal Mathematical Physics Seminar (organized by Igor Krichever and Andrei Okounkov).
 1820 October: Georgia Algebraic Geometry Symposium. Athens, Georgia, GA.

2527
October: AGNES Fall 2013. Boston College, Boston, MA.
 14 October: Faithful tropicalization of the
Grassmannian of planes. Informal Mathematical Physics Seminar, Columbia University, NY, USA.
 21 October: Faithful tropicalization of the
Grassmannian of planes. Algebra Seminar, GaTech, GA, USA.
 7 November: Faithful tropicalization of the
Grassmannian of planes. Algebraic and Tropical Geometry Seminar, Yale University, CT, USA.
 22 November: Faithful tropicalization of the
Grassmannian of planes. Valley Geometry Seminar, UMass Amherst, USA.
Summer 13
 37 June: MEGA 2013 (Effective Methods in Algebraic Geometry). Goethe Universität Frankfurt.
 1015 June: Research visit to Patrick Popescu Pampu, Laboratoire Paul Painlevé, Université Lille 1, France.
 2528 February: Research visit to Hannah Markwig, Universität
Saarbrücken, Germany.
 11 June: Mixed discriminants Géométrie Algébrique Séminaire (Responsable: Olivier Serman), Laboratoire Paul Painlevé, Université Lille 1, France.
 28 June: Mixed discriminants. Departamental Colloquium, Saarland Univeristät, Saarbrücken, Germany.
Spring 13

58 February: Research visit to Hannah Markwig, Universität
Saarbrücken, Germany.
 1724 March: PEAKs '13:
Perspectives and Emerging Topics in Algebra and Combinatorics. Haus
Bergkranz, Riezlern (Kleinwalsertal), Austria.
 7
February: Faithful tropicalization of the
Grassmannian of planes. Joint Seminar
KaiserslauterSaarbrücken. Universität Saarbrücken,
Germany.
 8 May: Mixed discriminants. Geometry Seminar, The University of Edinburgh, Scotland, UK.
 16 May: Mixed discriminants. Discrete Geometry Seminar, Freie Universität Berlin, Germany.
Fall 12
 AG
Diskrete Mathematik und Mathematische Informatik (organized by
Prof. Dr. Christian Haase, Prof. Dr. Claus Peter Schnorr and Prof. Dr. Thorsten Theobald).
 417 September: Research visit to Qile Chen, Columbia University, NY, USA.
 30 September  6 October: MiniWorkshop: Cohomology Rings and Fundamental
Groups of Hyperplane Arrangements, Wonderful
Compactifications, and Real Toric Varieties. MFO, Oberwolfach, Germany.
 1012 October: Workshop on Geometry and Topology of Moduli, Humboldt Universität zu Berlin, Germany.
 410 November:Workshop on Nonarchimedean analytic geometry. MFO, Oberwolfach, Germany.
 18 November  2 December:
Research visit to the Engström Group, Aalto University, Helsinki, Finland.
 1015 December: Research visit to Ciro Ciliberto, Universita Tor Vergata, Rome, Italy.
Summer 12
 AG
Diskrete Mathematik und Mathematische Informatik (organized by
Prof. Dr. Christian Haase, Prof. Dr. Claus Peter Schnorr and Prof. Dr. Thorsten Theobald).
 20 May  June 2: VIGRE Summer School, University of Georgia, Athens, GA, US.
 58 June: Analyse nonarchimédienne, Institut
Mathématique de Jussieu, Paris, France.
 811 August:
Research visit to the Engström Group, Aalto University, Helsinki, Finland.
 8 August: Mixed discriminants. Algebra and Combinatorics Seminar,
Aalto University, Helsinki, Finland.
Spring 12
 arXivClubDiskreteMathematik
(organized by Prof. Dr. Christian Haase).
 AG
Diskrete Mathematik und Mathematische Informatik (organized by
Prof. Dr. Christian Haase, Prof. Dr. Claus Peter Schnorr and Prof. Dr. Thorsten Theobald).
 14
March: Tropical Resultants (after Jensen
and Yu). ArXivClubDisk.Math., GoetheUniversität
Frankfurt, Germany.
 2324 March: 3rd. Polymake
workshop. TU Darmstadt, Germany.
 26 April: Workshop on Tropical
Geometry. International Centre for Mathematical
Sciences, Edinburgh, UK.
 2
May: Mixed discriminants. AG Diskrete Mathematik, GoetheUniversität
Frankfurt, Germany.
 711 May:
Research visit to University of Oslo, Norway.
 10
May: Mixed discriminants. Seminar in Algebra and Algebraic Geometry,
University of Oslo, Norway.
Fall 11
 Math
G6480: GromovWitten Theory (Melissa Liu)
 Algebraic Geometry Seminar (organized by
Michael Thaddeus).
 1718
September: 40 Years and Counting: AWM's Celebration of
Women in Mathematics. ICERM, Brown University, Providence, RI.
 2630
September:
Conference
on tropical geometry and computational biology. Universität des
Saarlandes, Saarbrücken, Germany.
 610 October: SIAM Conference of Applied
Algebraic Geometry. North Carolina State University, NC.
 2223 October: Special Session on
Computational and Algorithmic Algebraic Geometry. AMS Western Sectional
Meeting, University of Utah, Salt Lake City, UT.
 2830
October: AGNES Fall 2011. SUNY, Stony Brook, NY.
 1216 December: Workshop on Tropical Geometry
International Centre for Mathematical Meetings, Castro Urdiales, Spain.
 1718
September: Tropical secant graphs of monomial curves (poster
Presentation). ICERM, Brown University, Providence, RI. [Poster]
 21 September: An
implicitization challenge in binary factor analysis. Symbolic
Computation Seminar. North Carolina State University, Raleigh, NC.
[Slides]
 29 September: An
implicitization challenge in binary factor analysis. Conference
on tropical geometry and computational biology. Universität des
Saarlandes, Saarbrücken, Germany. [Slides]

7 October: Implicitization of surfaces via geometric
tropicalization. Minisymposium on Tropical Geometry, SIAM Conference of Applied
Algebraic Geometry, NCSU,
Raleigh, NC. [Slides]
 23
October: Implicitization of surfaces via geometric
tropicalization. Special Session on
Computational and Algorithmic Algebraic Geometry. AMS Western Sectional
Meeting, University of Utah, Salt Lake City, UT. [Slides]
Summer 11
 610
June: Toric geometry and applications. Katholieke Universiteit
Leuven, Belgium.
 15
August: First Latin American School on Algebraic Geometry and Applications, University
of Buenos
Aires, Argentina.
 812 August: Advances workshop, First Latin
American School on Algebraic Geometry and Applications, La
Cumbre, Córdoba, Argentina.
 2528 August: A Celebration of Algebraic Geometry
Harvard University, Boston, MA, US.
 812 August: Implicitization of surfaces via geometric
tropicalization. Advanced Workshop, ELGA 2011. La Cumbre, Córdoba, Argentina.
Spring 11
 17 January  16 June: Postdoctoral member.
Special Program on Algebraic Geometry with a view towards
applications. Institut
MittagLeffler, Djursholm, Sweden.

2125 February. Solving polynomial
equations workshop, CIAM/KTH, Stockholm, Sweden.
 1516
April: GPS  Tropical Seminar. EberhardKarlsUniversität Tübingen, Germany.
 57 May: Discrete,
Tropical and Algebraic Geometry. GoetheUniversität Frankfurt, Germany.
 30 May  3 June: MEGA 2011. Stockholm University, Sweden.
 14 January, 4pm. Implicitization of surfaces via geometric
tropicalization. Worlwide Center of
Mathematics, Cambridge, MA. [Poster]
 21 February, 23pm. Implicitization of surfaces via geometric
tropicalization. Solving polynomial
equations workshop, CIAM/KTH, Stockholm, Sweden. [Slides]
 23 March,
10:1512am. Tropical secant graphs of monomial curves Combinatorics Seminar, KTH, Stockholm, Sweden.
 7 May, 11:45am12:30pm. Implicitization of surfaces via geometric
tropicalization. Discrete,
Tropical and Algebraic Geometry Workshop. GoetheUniversität
Frankfurt, Germany.
 13 May, 3pm4pm. Implicitization of surfaces via geometric
tropicalization. Seminari Geometria Algebraica, University of
Barcelona, Spain. Room B1 FMUB. [Slides]
Fall 10
Summer 10
 24
June: AMSSMM Eighth International Meeting (Special Session on
Singularity Theory and Algebraic Geometry). UC Berkeley,
Berkeley, CA.
 1419 June: Research trip to the University of Barcelona, Spain.
 2125 June: Workshop on "Algebra and Geometry of Configuration
Spaces and related fields". Closing event of the intense research period
Configuration Spaces: Geometry, Combinatorics and
Topology. Centro di Ricerca Matematica Ennio De Giorgi, Pisa,
Italy.
 28
June  9 July: Summer School on "Berkovich Spaces". Institut de
Mathématiques de Jussieu, Paris, France.
 1215 July: Research trip to Freie Universität Berlin,
Germany.
 1617 July: PhD Students
Conference on Tropical Geometry
2010. GoetheUniversität Frankfurt, Germany.
 1923 July: Workshop on Mirror Symmetry and related topics. MIT,
Boston, MA.
 26 August: FPSAC 2010, San Francisco, CA.
 4 June, 4pm: Tropical Secant Graphs of Monomial
Curves. Special Session on Singularity Theory and Algebraic
Geometry at the AMSSMM Eighth International meeting. UC Berkeley,
CA, USA. [Abstract] [Slides]
 18 June, 3pm: Tropical Secant Graphs of Monomial
Curves.
Seminari Geometria Algebraica. University of Barcelona, Spain. Room B1 FMUB.
 12
July, 2:15pm: Tropical Secant Graphs of Monomial
Curves. Algebraic Geometry Seminar. Freie
Universität Berlin, Germany. Room 119, Arnimallee 3. [Handout]
 17 July,
33:40pm: Tropical Secant Graphs of Monomial
Curves. PhD Students
Conference on Tropical Geometry
2010. GoetheUniversität Frankfurt, Germany. [Slides]
 3
August 56:30pm. Poster Session FPSAC 2010, San Francisco, CA [Poster]
Spring 10
Fall 09
Summer 09

20 August, 3:304:10pm. Geometry of Restricted Boltzmann
Machines Seminar on Applications of Tropical Algebra  UC
Berkeley. 740 Evans Hall.
 2 July, 12pm. Implicitación de modelos de estadística
algebraica via Geometría Tropical. Seminario de
Geometría Algebraica  Universidad Complutense de Madrid (UCM). Seminario 238.
 22 June  26
June: "Lib60ber": Topology of Algebraic Varieties. Poster session:
"Implicitization of Surfaces Via Geometric Tropicalization."
 15 June  19 June:
MEGA 2009. Research Communication: "An implicitization challenge in
binary factor analysis." (joint work with Josephine Yu). [Slides]
 Independent research course (supervised by Bernd Sturmfels).
Spring 09
Fall 08
Summer 08
 19 May  22 May: Three Lectures on Dynamics of Chemical Reaction Networks, by Prof. G. Craciun. Universidad de Buenos Aires.
 07 July  20 July: MSRI Workshop on Geometry and Representation Theory of Tensors for Computer Science, Statistics, and other areas. Berkeley, CA.
 Reading course with Lior Pachter.
 1921 August: Short Course in Tropical Geometry, by Diane Maclagan.
 10
June, 23pm. Tropical mixtures of phylogenetic trees
with the same topology. Algebraic Geometry and its
applications. University of Buenos Aires.
Spring 08
 19 February, 56pm.
Some results on inhomogeneous discriminants.
Commutative Algebra & Algebraic Geometry Seminar. 939 Evans. [Notes]
Fall 07