-
"Nonnegative rank and the EM algorithm" at CASTA2014, Kyoto, Japan, January 2014
-
-
-
"Non-negative matrix rank" at MPIM Computational Algebraic Geometry Seminar, Bonn, Germany, September 2013
-
"Phylogenetic semigroups" at MPIM Student Seminar, Bonn, Germany, July 2013
-
"Ehrhart polynomials, group-based models and Berenstein-Zelevinsky triangles" at MDS Monday lecture, Berlin, Germany, May 2013
-
-
"Lineaarne optimeerimine" at Teaduspäev, Pärnu, Estonia, April 2013
-
"Group-based models, Berenstein-Zelevinsky triangles and conformal block algebras (joint talk with Chris Manon)" at PEAKs, Riezlern, Austria, March 2013
-
"Conformal block algebras, Berenstein-Zelevinsky triangles and group-based models" at Algebraic Geometry Seminar, Berlin, Germany, December 2012
-
-
"Generators of phylogenetic semigroups" at Algebra Seminar, Tartu, Estonia, June 2012
-
-
-
"Lattice polytopes of phylogenetic trees" at Discrete Geometry Seminar, Berlin, Germany, March 2011
-
-
-
"Trees, Z/2, and lattice points" at Lattice polytopes seminar, Berlin, Germany, February 2010
-
"Abstraktsed kloonid ja operaadid" at Estonian Mathematical Society meeting, Tallinn, Estonia, March 2008 [
slides]