Past talks:
 "Geometry of Rank Tests" at the
MSRI
Arrangements and Configuration Spaces workshop (Friday, August 11, 2006)
University of Kansas Combinatorics Seminar (January 31, 2007)
University of California, Davis Combinatorics Seminar (February 15, 2007)
 "The Cyclohedron Test for Finding Periodic Genes in Time Course
Expression Studies," University of Wisconsin, Madison (May 24, 2007)
University of Sydney Statistics Seminar (Monday, May 24, 2010, Carslaw 828) 5:00 p.m.
Quantitative Biology Seminar, Dept. of Math, Texas A&M University (Sept. 15, 2014).
 "Toric dynamical systems," UCB Commutative Algebra & Algebraic Geometry Seminar, September 11, 2007 (3:45 pm, Evans 939)
UCB ASCB/Genomics seminar, Tuesday, September 18, 2007 (2:30 pm, Evans 939)
UCB Dynamics seminar, Tuesday, October 16, 2007 (3:00 pm, Evans 959)
TU Berlin Pure and applied algebra seminar, Tuesday, December 4, 2007 (2:15 pm, MA 313)
Stanford University seminar, Tuesday, February 12, 2008 (12:302)
Special Session on Applications of Algebraic Geometry, 2008 Fall Western Section Meeting, Vancouver (October 45, 2008)
 "Multistability in biochemical networks: a mathematician's point of view", UCB Designated Emphasis in Genomics and Computational Biology Student Seminar, Monday, March 17, 2008 (5:00 pm, Campbell Annex)
 "An Introduction to the Dynamical Systems of Chemical Reaction Networks", UCSD, August 26, 2008 (2:00, AP&M 6402)
 "The Smallest Multistationary MassPreserving Chemical Reaction Network", Algebraic Biology 2008, Linz, Austria (July 31, 2008)
Focus Group for Discovery: Mathematical and computational models in biological networks, Mathematical Biosciences Institute at the Ohio State University (October 21, 2008, 10:0010:45 am.)

"Biochemical reaction networks: an algebraist's point of view," 5th Annual Designated Emphasis in Computational and Genomic Biology Retreat, San Ramon Valley Conference Center, San Ramon CA (November 22, 2008, 5:00 pm.)
 "Siphons, primary decomposition, and the Global Attractor Conjecture," Mathematical and Computational Biology seminar, UCB (November 26, 2009, Evans 939, 2:00 pm.)
Discrete Models in Systems Biology Workshop, SAMSI (December 3, 2008, 2:303:15 pm.)
Symbolic Computation Seminar, North Carolina State University (April 1, 2009, HA335, 3:00 pm.)
Duke University (April 3, 2009, 12:00.)
 "Siphons in biochemical reaction networks,"
Transition Workshop (Algebraic Methods in Systems Biology and Statistics), SAMSI (Friday, June 19, 2009) 3:00.
 "Siphons in Biochemical Reaction Networks and the Global Attractor
Conjecture," Institute Henri Poincare, Paris (Thursday, July 2, 2009) 10:30.
 "Systems biology and tropical geometry" (short talk), Connections for Women: Tropical Geometry, MSRI (Sunday, August 23, 2009) 4:00.
 "Mathematical models for predicting gene expression in Drosophila melanogaster", Comp bio lab meeting (Wednesday, October 7, 2009) 9:00.
 "Combinatorics of siphons in chemical reaction systems", UCB Discrete Math seminar (Wednesday, October 7, 2009) 2:00.
 "Biochemical reaction networks: an algebraist's point of view", UCB Graduate student colloquium (Friday, November 6, 2009) 11:00.
 "Siphons in chemical reaction networks", Stanford BioMod Club seminar (Tuesday, January 12, 2010) 5:15 pm.
 "Computing siphons in chemical reaction systems", AMSSIAM Special Session "Applications of Algebraic Geometry", Joint Meetings (Saturday, January 16, 2010) 2:302:50pm.
 "Siphons in biochemical reaction systems: an algebraist's point of view" (poster) AWM Poster Session, Joint Meetings (Saturday, January 16, 2010) 10:3011:00 a.m.
 "Parametrizing multistationarity in multisite phosphorylation systems," Theorems on Biological Circuits Day, Harvard Medical School (Wednesday, July 14, 2010).
 "Counting positive roots of polynomials with applications for biochemical systems", Symbolic Computation seminar, NC State (Wednesday, September 15, 2010), Room SAS 4201, 4:00 pm.
Triangle Lectures in Combinatorics, Duke University (Saturday, September 25, 2010), 11:30 am.
Algebra and Discrete Mathematics seminar, Clemson University (Thursday, Nov. 4, 2010) 3:304:30, Room Martin M102.
Algebraic geometry in the sciences, CMA, University of Oslo (Jan. 13, 2011), 2:30 pm.
Mathematics Colloquium, Wake Forest University (Thursday, Jan. 20, 2010), 4:15 pm.

"Multiple steady states in chemical reaction systems,"
Graduate/Faculty Seminar, Duke University, Physics 119 (March 18, 4:30 pm).

"The lattice of multistationary chemical reaction networks,"
CombinaTexas 2011, Sam Houston State University, (April 16, 2011).

"Chemical reaction systems with toric steady states,"
Applications of Algebraic Geometry to Other Sciences, ELGA (Latin American School of Algebraic Geometry and Applications), Cordoba, Argentina (Aug. 9, 2011).
Math Department Colloquium, Northern Illinois University, (Fri., Sept. 9, 4:00 p.m. in DU 322).
Applied and Computational Math seminar, University of Wisconsin, (Tues., Nov. 15, 2:25 p.m. in 901 Van Vleck Hall).
Mathematical Biology and Ecology Seminar, Georgia Tech, (Wed, Jan. 25, 2012, 11:00 a.m., Skiles 006).
Computational Algebra Seminar, UC Berkeley, (Wed., Mar. 14, 1:00 p.m. in Evans 939).
Algebraic Methods in Systems and Evolutionary Biology workshop, MBI, (May 711, 2012). Video available here.
Computer science seminar, University of Chicago, (May 30, 2012 at 2:30 p.m. in Ryerson 251).
Mathematical Biology seminar, University of Iowa, (Oct. 1, 2012 at 3:30 p.m.).

"New Sufficient Conditions for Ruling out Multiple Steady States in Chemical Reaction Systems,"
Minisymposium on applications in mathematical biology,
SIAM Conference on Applied Algebraic Geometry, NC State, Raleigh NC (Thurs.Sun., Oct. 69, 2011).
 "Steady states of multisite phosphorylation systems", SIAM Conference on the Life Sciences minisymposium, (August 712, 2012).
 "Longterm dynamics of chemical reaction systems", seminar at MPI fur Dynamik komplexer technischer Systeme, Magdeburg, Germany (Nov. 20, 2012 at 5:00).
 "Extensions of Birch's Theorem, with applications to dynamical sytems", Combinatorial Commutative Algebra and Applications workshop, MSRI (December 3, 2012).
 "Geometry and dynamics of reaction systems", mathematics colloquium, University of Minnesota (December 13 at 3:30 p.m. in VinH).
Mathematics colloquium, Vanderbilt University (Thursday, January 10, 2013 at 4:30 p.m).
Texas A&M (Thursday, January 17, 2013 at 4pm).
Mathematics colloquium, UIC (Tuesday, January 22, 2013 at 3pm).
Mathematics colloquium, Dartmouth (Thursday, January 24, 2013 at 4pm in 007 Kemeny Hall).
Analysis, Dynamics, and Applications Seminar, University of Arizona (Tuesday, January 29, 2013 at 12:30).
Mathematics colloquium, Washington University in St. Louis (February 11, 2013 at 4:15 pm in Cupples I, Room 199).
Midwest Women in Mathematics Symposium at UIC (April 20, 2013).
Applied math colloquium, IIT (Oct. 28, 2013 at 4:40 p.m.)
mathematics colloquium, Rice University (Sept. 25, 2014).
Dept. of Math colloquium, SMU (Jan. 21, 2015)
Dept. of Math colloquium, Sam Houston State University (Apr. 29, 2015 at 2pm)
Postdoc Colloquium Series, Texas A&M (Nov. 29, 2017 at 4:00).
 "On the road again: my experience as an earlycareer mathematician", SIAM/AWM Career Panel, SIAM Annual Meeting, Chicago (July 7, 2014)

"A Global Convergence Result for Processive Multisite Phosphorylation System", minisymposium on Algebraic aspects of biochemical reaction networks, SIAM Conference on the Life Sciences, Charlotte NC (August 4, 2014)

"What is the Global Attractor Conjecture?", minitalk, Mathematics Graduate Student Organization seminar, Dept. of Math, Texas A&M University (Sept. 18, 2014).

"Sign Conditions for Injectivity of Generalized Polynomial Maps with Applications to Chemical Reaction Networks and Real Algebraic Geometry", workshop on Solving Polynomial Equations, (Program: Algorithms and Complexity in Algebraic Geometry), Simons Institute for the Theory of Computing, Berkeley CA (Oct. 13 to Oct. 17, 2014)

"Dynamics of massaction systems", Numerical analysis seminar, Dept. of Math, TAMU (March 11, 2015).
 "Which neural codes are convex?", 2015 Texas Algebraic Geometry Symposium, Texas A&M University (April 1012, 2015)
"Random structures" seminar, University of Texas (April 24, 2015)
Colloquium, Texas State University (Fri., Feb. 17, 2017).
Applied algebra and topology seminar, University of Oxford (May 18, 2018 at 12:00)

"Polynomial Systems Arising From Biochemical Reaction Networks", minisymposium on Real algebraic geometry and Optimization, 2015 SIAM Conference on Applied Algebraic Geometry (AG15), Daejeon, South Korea, (August 5, 2015 at 11:30)

"Convexity and neural codes", Applied Mathematics Undergraduate Seminar (AMUSE), TAMU, Blocker 113 (Nov. 4, 2015 at 6pm)

"Algebraic signatures of convex and nonconvex neural codes", Special session on “Nonlinear algebra, JMM, Seattle, Rooms 307/308, Washington State Convention Center (Sat., Jan. 9, 2016 at 3:30 pm)
Thematic session on "Computational Algebra and Applications of Algebra" at XXI Coloquio Latinoamericano de Álgebra, Universidad de Buenos Aires, Buenos Aires, Argentina (July 29, 2016)

"Which reaction networks are multistationary?", "Dynamics in Networks with Special Properties" workshop, MBI (January 26, 2016)
Special session on Algebraic and Combinatorial Methods in Mathematical Biology, AMS meeting at University of Georgia (Sat., March 5, 2016 at 3:00 pm.)
Algebraic Approaches in Systems Biology minisymposium,
SIAM Annual Meeting (AN16), Boston (July 15, 2016)

"What should I know about discrete geometry?", Junior Algebra & Geometry Seminar, Texas A&M (Tues., Feb. 9, 2016 in Bloc 628, and also Tues., Jan. 31, 2017)

"Multisite phosphorylation systems: dynamics and steady states", Mathematical Biology seminar, UPenn (April 4, 2016 at 4pm)
Networks Seminar series, University of Houston (September 2, 2016)

"Convex Rank Tests", CombinaTexas (May 8, 2016 at 11am)
 "Multisite phosphorylation systems: bistability, oscillations, and a
rational parametrization of steady states", Special session on "Applied Algebraic
Geometry'' at the AMS Fall Southeastern Sectional Meeting, North Carolina State University, Raleigh, NC
(November 12, 2016).
Minisymposium on "Dynamics and Oscillations of Reaction Networks" at the European Conference on Mathematical and Theoretical Biology (ECMTB 2018), Lisbon, Portugal (July 23, 2018 at 12:20)
 "Dynamics of phosphorylation systems", AWM talk, TAMU (Tuesday, November 29, 2016 at 4 pm).
Center for Quantitative Medicine, University of Connecticut (Feb. 21, 2018 at 11:00)
Wesleyan colloquium (Feb. 22, 2018 at 4:30)

"Algebraic methods for analyzing bistability and oscillations in reaction networks" (overview talk), workshop on "Mathematical Analysis of Biological Interaction Networks" at Banff International Research Station (Jun. 5, 2017).

"Grobner bases of neural ideals", minisymposium on "Algebraic and Topological Biology" at the SIAM Conference on Applied Algebraic Geometry 2017 at Georgia Tech (Aug. 4, 2017 at 3pm).
 "Identifiability of linear compartment models: the singular locus", Special Session on
"Applicable and Computational Algebraic Geometry" at the AMS Fall Central Section Meeting at University of North Texas, Denton TX (Sept. 9, 2017 at 8:30 am).
Texas Women in Mathematics Symposium, Sam Houston State University (Dec. 2, 2017).
The Kolchin Seminar
in Differential Algebra, CUNY Graduate Center (Mar. 2, 2018 at 2:15pm).
 "Recovering parameters in mathematical models", AMUSE seminar, Texas A&M (Mar. 28, 2018)

"Bistability and oscillations in massaction kinetics systems arising in biology", Kinetic and related models with applications in the natural sciences conference, University of Wisconsin (May 1, 2018)
 "Harnessing steadystate parametrizations arising from reaction networks",
Nonlinear Dynamics seminar, Free University, Berlin, Germany (July 16, 2018 at 15:15, Arnimalle 7, Room 140)
Nonlinear algebra seminar, Max Planck Institute for Mathematics in the Sciences, Leipzig, Germany (July 18, 2018)
 "Absolute concentration robustness: an algebraic perspective",
minisymposium on "Mathematical analysis of Biological Interaction Networks" at
the SIAM Life Sciences conference, Minneapolis (August 8, 2018 at 3:00pm).
Minisymposium on "Algebraic Aspects of Biochemical Reaction Networks" at the SIAM Conference on Algebraic Geometry, Bern, Switzerland (July 9 to 13, 2019)
 "Dynamics of biochemical reaction systems", Promotion talk, Dept. of Math, TAMU (Sept. 13, 2018)
Colloquium, Dept. of Mathematics, University of Wisconsin (Nov. 12, 2018)
Colloquium, Dept. of Mathematical Sciences, University of Texas El Paso (Nov. 30, 2018)
Special seminar, Dept. of Mathematics, North Carolina State University (Jan. 10, 2019)
 "Identifiability of linear compartment models: inputoutput equations and the singular locus",
Nonlinear algebra in applications workshop, ICERM, (Nov. 15, 2018)

"Finding Periodic Genes: From Mice to Mathematics", Ethel AshworthTsutsui Memorial Lecture,
Texas A&M (Nov. 26, 2018). Poster and press release.

"Mathematics, neuroscience, and navigating our world", Friday Science Seminar, Texas A&M (March 29, 2019 at 4pm)

"Design principles of biochemical reaction systems", plenary talk, International Conference on DNA Computing and Molecular Programming, University of Washington (August 59, 2019)

"Oscillations and bistability in a model of ERK regulation", special sesssion on "Connecting Network Structure and Behavior of Biological Interaction Systems" at the AMS Fall Central Sectional Meeting, Madison, Wisconsin (September 1415, 2019)
Student Talks:
"Multiplicity and normal cones" (Chapter two of W. Fulton, Intro to Intersection Theory in Algebraic Geometry) in the "Rest of Algebraic Geometry" Seminar, UCB, September 30, 2008, 5:00 pm.
"Combinatorics of Binomial Primary Decomposition" (paper of A. Dickenstein, E. Miller, and L. Matusevich) in the Student Algebraic and Arithmetric Geometry Seminar, UCB, October 31, 2008, 4:00 pm.