Past Activities

Fall 23

Algebraic Geometry Seminar (co-organizer).

November 4-5: Western Algebraic Geometry Symposium (WAGS) Fall 2023. Washington University in St. Louis. St. Louis, MO, USA.
December 1-2: KOI Combinatorics Lectures (co-organizer). The Ohio State University, Columbus, OH, USA.
December 10-15: 8th Iberoamerican Congress on Geometry. Reserch Center "Geometry at the Frontier", Universidad de la Frontera, Pucón, Chile.

October 11: Combinatorics and Geometry in the tropics Invitation to Mathematics Lecture Series, The Ohio State University, Columbus, OH, US. Room: CH 240.
December 12:. Tropical del Pezzo surfaces of low degree. Special Session on Algebraic Surfaces, 8th Iberoamerican Congress on Geometry, Reserch Center "Geometry at the Frontier", Universidad de la Frontera, Pucón, Chile.

Summer 23

May 9-10: KOALA Workshop 2023 (first workshop of the Kentucky-Ohio ALgebra Alliance). The Ohio State University, Columbus, OH, US.
May 14-19: Workshop 2320: "Tropical Methods in Geometry". Mathematisches Forschungsinstitut Oberwolfach, Germany.
May 21-June 5: Research visit to the Algebraic Geometry group. Mathematics Department, University of Trento, Italy.
May 22-July 28: REU Project: Tropical interpolation (student: Braeden Singleton). OHIO 5-OSU Summer Undergraduate Research Experience, The Ohio State University, Columbus, OH.

May 18: Local tropicalization: a combinatorial approach to complex singularity links. Workshop 2320: Tropical Methods in Geometry, Mathematisches Forschungsinstitut Oberwolfach, Germany.
May 24: Splice type surface singularities and their local tropicalizations. Algebraic Geometry Seminar, University of Trento, Italy.
July 7: Lines and curves in the tropics. Colloquium PRiME 23, Pomona College, Claremont, CA, US.

Spring 23

Algebraic Geometry Seminar (co-organizer).

February 23: Splice type surface singularities and their local tropicalizations. Algebra, Combinatorics, and Geometry seminar, University of Pittsburgh, PA, US.
February 24: Lines in the Tropics. Colloquium, University of Pittsburgh, PA, US.

Autumn 22

Algebraic Geometry Seminar (co-organizer).

Summer 22

June 20-24: MEGA 2022 (Effective Methods in Algebraic Geometry), Krakow, Poland.
June 27 - July 1: Combinatorial, Computational, and Applied Algebraic Geometry, U. Washington, Seattle, WA, US.
August 1-5: LMS-Bath Symposium on Combinatorial Algebraic Geometry 2022, Bath, UK.

May 27: Resoluciones combinatorias de singularidades empalmadas. Algebraic Geometry Seminar, University of Buenos Aires, CABA, Argentina.
June 20: Lines in the Tropics. MEGA 2022 (Effective Methods in Algebraic Geometry), Krakow, Poland.
June 27: Lines in the Tropics, Combinatorial, Computational, and Applied Algebraic Geometry, U. Washington, Seattle, WA, US.
August 4, Splice type surface singularities and their local tropicalizations LMS-Bath Symposium on Combinatorial Algebraic Geometry 2022, Bath, UK.

Spring 22

Algebraic Geometry Seminar (co-organizer).

February 25: Splice type surface singularities and their local tropicalizations. (LAGARTOS) Latin American Geometria Algebraica Real y TrOpical Seminar.

Autumn 21

Algebraic Geometry Seminar (co-organizer).

September 6-10: Research Summer School: Milnor Fibrations, Degenerations and Deformations from Modern Perspectives (2570). CIRM, Marseille Luminy, France.
November 22-26: Research Conference: Faces of Singularity Theory (2571). CIRM, Marseille Luminy, France.

November 16: Splice type surface singularities and their local tropicalizations.. Algebraic Geometry Seminar, UC Riverside, CA, US. [on Zoom]
November 25: Splice type surface singularities and their local tropicalizations. Research Conference: Faces of Singularity Theory (2571), CIRM, Marseille Luminy, France. [on Zoom]

Summer 21

August 16-21: Tropical degree-two del Pezzo surfaces and their 56 lines. Collaborate@ICERM Program (with Amanda Knetch, Kalina Mincheva, Aleksandra Sobieska and Claudia Yun), ICERM, Brown University, Providence, RI, US.

Spring 21

Algebraic Geometry Seminar (co-organizer).

February 1-5: Introductory workshop: Combinatorial Algebraic Geometry. ICERM, Providence, RI, US.
February 15-19: Sage/Oscar Days for Combinatorial Algebraic Geometry. ICERM, Providence, RI, US.
March 20-21:AMS Spring Eastern Sectional Meeting (online), Brown University, RI, US. Special Session on Moduli of Curves, Hilbert Schemes, and Tropical Geometry. The full list of talks and some slides can be found here
March 22-26: Geometry and Combinatorics from Root Systems. ICERM, Providence, RI, US.
April 12-16: Algebraic Geometry and Polyhedra. ICERM, Providence, RI, US.

Feb. 19, Computational challenges for tropical del Pezzo surfaces. Sage/Oscar Days for Combinatorial Algebraic Geometry, ICERM, Providence, RI, US. [on Zoom]
March 3, Lines in p-adic geometry. Radical Pi Seminar, The Ohio State University, Columbus, OH, US. [on Zoom]
March 21: 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. [on Zoom]
April 12-16, Combinatorics and real lifts of bitangents to tropical quartic curves. Workshop "Algebraic Geometry and Polyhedra". ICERM, Providence, RI, US. [on Zoom]

Fall 20

Algebraic Geometry Seminar (co-organizer).

September 15: Combinatorics and real lifts of bitangents to tropical quartic curves. Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US. [on Zoom]

Summer 20

July 27-31: Leadership (with Cecília Salgado) for Project 4 Tropical degree-two del Pezzo surfaces and their 56 lines. Women in Algebraic Geometry Workshop (virtual-event), ICERM, Providence, RI, US.

Spring 20

Algebraic Geometry Seminar (co-organizer).
Geometry, combinatorics, and integrable systems (co-organizer).

March 8-21: Enumerative geometry of real and tropical tangent planes. Research in Pairs meeting (with Yoav Len, Hannah Markwig and Yue Ren), Mathematisches Forschungsinstitut Oberwolfach, Germany.

February 12: Finding lines in the tropics. Radical Pi Seminar, The Ohio State University, Columbus, OH, US.
May 6: Combinatorics and real lifts of bitangents to tropical quartic curves. Algebraic Geometry Seminar, UC Davis, CA, US. [on Zoom]

Fall 19

Algebraic Geometry Seminar (co-organizer).
Geometry, combinatorics, and integrable systems (co-organizer).

Septeber 8-13: Tropical Methods in Real Algebraic Geometry (19w5100). BIRS, Casa Matemática Oaxaca, Oaxaca, Mexico.
October 18-19: Facets of Algebraic Geometry Conference. University of Michigan, Ann Arbor, MI, US.

December 11: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Forschungsseminar Diskrete Mathematik und Geometrie, Technische Universität Berlin, Germany. Room: MA621
December 19: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Oberseminar Algebra und Geometrie, Goethe Universität Frankfurt, Germany. Room: 711 (gr).

Spring 19

Algebraic Geometry Seminar (co-organizer).
Geometry, combinatorics, and integrable systems (co-organizer).

March 30-31: Gattaca (Georgia Tech Tropical Arithmetic and Combinatorial Algebraic-geometry) conference. Georgia Tech, Atlanta, GA, US.
April 13-14: WAGS Spring 2019, UC Berkeley, CA, US.
April 28 - May 4: Workshop: "Tropical Geometry: new directions." MFO, Oberwolfach, Germany.

February 5: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Algebraic Geometry and Number Theory seminar, Rice University, Houston, TX, US.
February 22: Lines on tropical cubic surfaces. Colloquium, University of Wisconsin, Madison, WI, US.
February 27: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Geometry and Physics Seminar, University of Miami, FL, US.
March 30-31: 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.
April 1: Combinatorics of line arrangements on tropical cubic surfaces. Algebra Seminar, Georgia Tech, Atlanta, GA, US.
April 13-14: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. WAGS Spring 2019, UC Berkeley, CA, US.

Fall 18

Algebraic Geometry Seminar (co-organizer).
Geometry, combinatorics, and integrable systems (co-organizer).
Combinatorics Seminar.

November 9-10: Blackwell-Tapia Conference 2018, ICERM, Providence, RI, US.

October 9: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Algebraic Geometry Seminar, The Ohio State University, Columbus, OH, US. Room: MW 154.
October 11: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines. Geometry, Physics, and Representation Theory Seminar, Northeastern University, Boston, MA, US. Room: 509/511 Lake Hall.
October 31: Combinatorics and Geometry in the spooky tropics Invitation to Mathematics Lecture Series, The Ohio State University, Columbus, OH, US. Room: CH 240.
November 9-10: Lines in the tropics. Blackwell-Tapia Conference 2018, ICERM, Providence, RI, US.

Summer 18

May 7 - June 15: CEMPI Visiting Professor (Patrick Popescu Pampu's Research Group), Laboratoire Paul Painlevé, Université Lille 1, France.
June 18-22: Combinatorial Algebraic Geometry Retrospective Workshop, the Fields Institute for Research in Mathematical Sciences, Toronto, ON, Canada.

May 22, 29 and June 12: Berkovich analytic spaces from the tropical perspective. Minicourse at the Université de Lille I, Laboratoire Paul Painlevé, Lille, France. (6 hours total).

June 21: Tropical Geometry of genus two curves. Combinatorial Algebraic Geometry Retrospective Workshop, the Fields Institute for Research in Mathematical Sciences, Toronto, ON, Canada.

Spring 18

Algebraic Geometry Seminar (co-organizer).

Geometry, combinatorics, and integrable systems (co-organizer).

Combinatorics Seminar.

March 3-17: Visitor, research program on Tropical Geometry, amoebas and polytopes. Institut Mittag-Leffler, Djusholm, Sweden.

March 17-18: Spring Central Sectional Meeting AMS. Special session on Algebraic and Combinatorial Aspects of Tropical Geometry. The full list of talks and some slides can be found here

March 6: 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.

April 2: Anticanonical tropical del Pezzo cubic surfaces contain exactly 27 lines Algebra Seminar. The University of Tennessee Knoxville, TN, USA.

Fall 17

Algebraic Geometry Seminar (co-organizer).

Geometry, combinatorics, and integrable systems (co-organizer).

Combinatorics Seminar.

October 9-13: Geometric and topological combinatorics: Modern techniques and methods. Mathematical Sciences Research Institute, Berkeley, CA, US.
October 21-22: 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 17-26: Bernoulli Brainstorm scheme, Centre Interfacultaire Bernoulli CIB, Lausanne, Switzerland (joint with Patrick Popescu-Pampu and Dmitry Stepanov). Topic: A tropical approach to Milnor fibers of rational surface singularities.

July 10-16: Research visit to Patrick Popescu-Pampu's Group, Laboratoire Paul Painlevé, Université Lille 1, France.

May 23-25: 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 (co-organizer).

Geometry, combinatorics, and integrable systems (co-organizer).

Combinatorics Seminar.

OSU Departamental Colloquium (co-organizer).

February 3-9: PEAK 17: Perspectives and Emerging Topics in Algebra and Konvexity. Haus Bergkranz, Riezlern (Kleinwalsertal), Austria.
April 10-14: Foundations of tropical schemes. American Institute of Mathematics, Palo Alto, CA.
April 29: ALGECOM 15 (conference on algebra, geometry and combinatorics). University of Illinois Urbana-Champaign, 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. ALGECOM-15 (conference on algebra, geometry and combinatorics). University of Illinois Urbana-Champaign, Urbana, IL, US.

Fall 16

Algebraic Geometry Seminar (co-organizer).

Geometry, combinatorics, and integrable systems (co-organizer).

Combinatorics Seminar.

OSU Departamental Colloquium (co-organizer).

July 15-December 15: long-term visitor of the thematic program on Combinatorial Algebraic Geometry, Fields Institute, Toronto, ON, Canada.

September 20: BATMOBYLE Day V. Brown University, RI, USA.

October 3-7: 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 4-8: Valuations of function fields and projective geometry (4-hour 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 7-15: Research visit to Yale University and Columbia University.

Spring 16

Algebraic Geometry Seminar (co-organized with Dave Anderson and Davide Fusi).

Combinatorics Seminar.

OSU Departamental Colloquium.
Invitation to Mathematics series.

May 1-6: 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.
April 6: An invitation to Tropical Geometry and non-Archimedean combinatorics. Invitation to Mathematics Lecture Series, The Ohio State University, Columbus, OH, USA. Room: CH 240.

Fall 15

Algebraic Geometry Seminar (co-organized with Dave Anderson and Davide Fusi).

Combinatorics Seminar.

OSU Departamental Colloquium.
Invitation to Mathematics series.

October 23-25: 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 higher-rank 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: Non-Archimedean Combinatorics. Colloquium IMSc, Institute of Mathematical Sciences, Chennai, India. Room: Hall 123.

Summer 15

August 3-7: Three minisymposia on Tropical Geometry (co-organized with Anders Jensen and Josephine Yu). SIAM Conference on Applied Algebraic Geometry (AG15), Daejeon, Korea.
July 13-24: 2015 AMS Summer Research Institute in Algebraic Geometry (weeks 1 and 2). University of Utah, Salt Lake City, UT, US.
July 6-10: 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 20-22: AGNES Spring 2015. Boston College, MA.
April 11-12: 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: Non-Archimedean Combinatorics. Departamental Colloquium Talk, Queen's University, Kingston, ON, Canada.
January 20: Non-Archimedean Combinatorics. Departamental Colloquium Talk, Colorado State University, Fort Collins, CO, US.
March 20-22: Faithful tropicalization of the Grassmannian of planes. AGNES Spring 2015. Boston College, MA.
April 11-12: 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).

20-21 September: Special session on New Trends in Toric Varieties (SS 4A), AMS Fall Central Sectional Meeting 2014, University of Wisconsin-Eau Claire, USA.
16-18 October: Special session on Combinatorial Algebraic Geometry, Annual SACNAS National conference, Los Angeles Convention Center.
25-26 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.
6-7 December: Early Career Workshop of the Australian Mathematical Society, Melbourne, Australia.
8-12 December: 8th Australia-New Zealand Mathematics Convention (ANZMC), Melbourne, Australia.

20-21 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 Wisconsin-Eau Claire, USA.
16-18 October: Combinatorial aspects of Tropical Geometry. Special session on Combinatorial Algebraic Geometry, Annual SACNAS National conference, Los Angeles Convention Center.
25-26 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: Non-Archimedean Combinatorics. ECR Plenary talk. 8th Australia-New Zealand Mathematics Convention (ANZMC), Melbourne, Australia.
11 December: Repairing tropical curves by means of linear tropical modifications. Special Session on Algebraic Geometry, 8th Australia-New Zealand Mathematics Convention (ANZMC), Melbourne, Australia.
15 December: Recruitment Talk, Ohio State University, Columbus, OH, US.

Summer 14

12-28 May: Research trip to Paris, France.
29 May-3 June: Research visit to Patrick Popescu Pampu, Laboratoire Paul Painlevé, Université Lille 1, France.
8-14 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).

25-27 April: AGNES Spring 2014. Stony Brook, NY.

27 January-7 February: Research in Pairs at CIRM, Marseille, France (with Patrick Popescu-Pampu and Dmitry Stepanov). Topic:Tropical Geometry and Singularities.
9-14 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).

18-20 October: Georgia Algebraic Geometry Symposium. Athens, Georgia, GA.
25-27 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

3-7 June: MEGA 2013 (Effective Methods in Algebraic Geometry). Goethe Universität Frankfurt.
10-15 June: Research visit to Patrick Popescu Pampu, Laboratoire Paul Painlevé, Université Lille 1, France.
25-28 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

5-8 February: Research visit to Hannah Markwig, Universität Saarbrücken, Germany.
17-24 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 Kaiserslauter-Saarbrücken. 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).
4-17 September: Research visit to Qile Chen, Columbia University, NY, USA.
30 September - 6 October: Mini-Workshop: Cohomology Rings and Fundamental Groups of Hyperplane Arrangements, Wonderful Compactifications, and Real Toric Varieties. MFO, Oberwolfach, Germany.
10-12 October: Workshop on Geometry and Topology of Moduli, Humboldt Universität zu Berlin, Germany.
4-10 November:Workshop on Non-archimedean analytic geometry. MFO, Oberwolfach, Germany.
18 November - 2 December: Research visit to the Engström Group, Aalto University, Helsinki, Finland.
10-15 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.
5-8 June: Analyse non-archimédienne, Institut Mathématique de Jussieu, Paris, France.
8-11 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

arXiv-Club-Diskrete-Mathematik (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). ArXiv-Club-Disk.-Math., Goethe-Universität Frankfurt, Germany.
23-24 March: 3rd. Polymake workshop. TU Darmstadt, Germany.
2-6 April: Workshop on Tropical Geometry. International Centre for Mathematical Sciences, Edinburgh, UK.
2 May: Mixed discriminants. AG Diskrete Mathematik, Goethe-Universität Frankfurt, Germany.
7-11 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: Gromov-Witten Theory (Melissa Liu)
Algebraic Geometry Seminar (organized by Michael Thaddeus).

17-18 September: 40 Years and Counting: AWM's Celebration of Women in Mathematics. ICERM, Brown University, Providence, RI.
26-30 September: Conference on tropical geometry and computational biology. Universität des Saarlandes, Saarbrücken, Germany.
6-10 October: SIAM Conference of Applied Algebraic Geometry. North Carolina State University, NC.
22-23 October: Special Session on Computational and Algorithmic Algebraic Geometry. AMS Western Sectional Meeting, University of Utah, Salt Lake City, UT.
28-30 October: AGNES Fall 2011. SUNY, Stony Brook, NY.
12-16 December: Workshop on Tropical Geometry International Centre for Mathematical Meetings, Castro Urdiales, Spain.

17-18 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

6-10 June: Toric geometry and applications. Katholieke Universiteit Leuven, Belgium.
1-5 August : First Latin American School on Algebraic Geometry and Applications, University of Buenos Aires, Argentina.

8-12 August: Advances workshop, First Latin American School on Algebraic Geometry and Applications, La Cumbre, Córdoba, Argentina.
25-28 August: A Celebration of Algebraic Geometry Harvard University, Boston, MA, US.

8-12 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 Mittag-Leffler, Djursholm, Sweden.

21-25 February. Solving polynomial equations workshop, CIAM/KTH, Stockholm, Sweden.
15-16 April: GPS - Tropical Seminar. Eberhard-Karls-Universität Tübingen, Germany.
5-7 May: Discrete, Tropical and Algebraic Geometry. Goethe-Universität 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, 2-3pm. Implicitization of surfaces via geometric tropicalization. Solving polynomial equations workshop, CIAM/KTH, Stockholm, Sweden. [Slides]
23 March, 10:15-12am. Tropical secant graphs of monomial curves Combinatorics Seminar, KTH, Stockholm, Sweden.
7 May, 11:45am-12:30pm. Implicitization of surfaces via geometric tropicalization. Discrete, Tropical and Algebraic Geometry Workshop. Goethe-Universität Frankfurt, Germany.
13 May, 3pm-4pm. Implicitization of surfaces via geometric tropicalization. Seminari Geometria Algebraica, University of Barcelona, Spain. Room B1 FM-UB. [Slides]

Fall 10

Math 275: Geometry of Convex Optimization (Bernd Sturmfels)
Combinatorics Seminar (organized by Alex Engström, Raman Sanyal and Lauren Williams)
Commutative Algebra & Algebraic Geometry Seminar (organized by David Eisenbud)

Helge Ruddat and I will be running a Seminar on Mirror Symmetry and Tropical Geometry.

25-26 September: AGNES Fall 2010. University of Connecticut, Storrs, CT.
6-7 November: WAGS Fall 2010. University of Arizona, Tucson, AZ.

6 December, 12:15-1:15pm. GASC Seminar. Northeastern University. Room 511 Lake.
10 December, 4-5pm.The Valley Geometry Seminar. University of Massachusetts, Amherst. Room 1634 LGRT.

Summer 10

2-4 June: AMS-SMM Eighth International Meeting (Special Session on Singularity Theory and Algebraic Geometry). UC Berkeley, Berkeley, CA.
14-19 June: Research trip to the University of Barcelona, Spain.
21-25 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.
12-15 July: Research trip to Freie Universität Berlin, Germany.
16-17 July: PhD Students Conference on Tropical Geometry 2010. Goethe-Universität Frankfurt, Germany.
19-23 July: Workshop on Mirror Symmetry and related topics. MIT, Boston, MA.
2-6 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 AMS-SMM 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 FM-UB.
12 July, 2:15pm: Tropical Secant Graphs of Monomial Curves. Algebraic Geometry Seminar. Freie Universität Berlin, Germany. Room 119, Arnimallee 3. [Handout]
17 July, 3-3:40pm: Tropical Secant Graphs of Monomial Curves. PhD Students Conference on Tropical Geometry 2010. Goethe-Universität Frankfurt, Germany. [Slides]
3 August 5-6:30pm. Poster Session FPSAC 2010, San Francisco, CA [Poster]

Spring 10

Math 241: Complex Manifolds (Denis Auroux)
Math 274: Topics in Algebra - Intersection Theory (David Eisenbud)
Math 300 (Jeffrey Doker)
Mathematical and Computational Biology Seminar (organized by Valerie Hower)
Combinatorics Seminar (organized by Alex Engström, Raman Sanyal and Lauren Williams)
Commutative Algebra & Algebraic Geometry Seminar (organized by David Eisenbud)
Convex Algebraic Geometry Seminar (organized by Phillipp Rostalski and Bernd Sturmfels)

13 - 17 January: Conference on Tropical Geometry and Mirror Symmetry. UC San Diego, CA.
22-26 March: Linear Matrix Inequalities and Polynomial Optimization (LMIPO). UC San Diego, CA.
10-11 April: AGNES Spring 2010. UMass Amherst, MA. Poster session: "Tropical secant graphs of monomial curves." [Poster]
2-3 May: WAGS Spring 2010. UBC, Vancouver, Canada.

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

Fall 09

Math 277 - Section 3: Topics in Differential Geometry (Denis Auroux)
Mathematical and Computational Biology Seminar (organized by Valerie Hower)
Discrete Mathematics Seminar (organized by Raman Sanyal and Alex Engström)
Commutative Algebra & Algebraic Geometry Seminar (organized by David Eisenbud)

Special Semester on Tropical Geometry (MSRI)
8-11 November: Mathematical Developments arising from Biology workshop. MBI, Ohio.

3 September, 11:30-3:30: Post-doc Seminar Kick-Off Event .[Slides ]
23 November, 10-10:50: An implicitization challenge in binary factor analysis. Graduate Student Tropical Geometry Seminar - MSRI. [Slides]

Summer 09

20 August, 3:30-4:10pm. Geometry of Restricted Boltzmann Machines Seminar on Applications of Tropical Algebra - UC Berkeley. 740 Evans Hall.
2 July, 1-2pm. 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

Math 249:Algebraic Combinatorics (Lior Pachter)
Math 274:Tropical Geometry (Bernd Sturmfels) [Final report]
Mathematical and Computational Biology Seminar (organized by Lior Pachter)
Discrete Mathematics Seminar (organized by Raman Sanyal and Anne Shiu)

Jumbo Semester in Algebraic Geometry (MSRI).

Fall 08

Math 239 - Stat 260:Algebraic Statistics (Bernd Sturmfels) [Final Report]

Mathematical and Computational Biology Seminar (organized by Lior Pachter)
Discrete Mathematics Seminar (organized by Bernd Stumfels)
Commutative Algebra & Algebraic Geometry Seminar (organized by David Eisenbud)
RAG Seminar (organized by David Eisenbud and Daniel Erman)
Student Algebraic and Arithmetic Geometry Seminar (organized by David Brown, Daniel Erman and Tony Varilly)

12-15 November: 2008 Clifford Lectures.
15-18 October: MSRI Workshop in Algebraic Statistics.

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

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.
19-21 August: Short Course in Tropical Geometry, by Diane Maclagan.

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

Spring 08

Math 239: Discrete Mathematics for the Life Sciences (Lior Pachter)
Math 256B: Algebraic Geometry (Martin Olsson)
Math 290: Toric Varieties (Steven Sam) [Notes]
Math 250B: Multilinear Algebra (David Eisenbud)
Commutative Algebra & Algebraic Geometry Seminar (organized by David Eisenbud)
Tropical Mixtures of Phylogenetic Trees (Math 239): [Report]

12-13 April: Graduate Student Combinatorics Conference. UC Davis, CA.
25-28 March: Tropical Lectures in Barcelona by Bernd Sturmfels.

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

Fall 07

Math 215A: Algebraic Topology (Michael Hutchings)
Math 252: Representation Theory (Tsit-Yuen Lam)
Math 256A: Algebraic Geometry (Martin Olsson)
Commutative Algebra & Algebraic Geometry Seminar (organized by David Eisenbud)