Tensors on surfaces.
Zamolodchikov phenomena.
Toggling.
Total positivity.
Integrability in geometric configurations.
Geometric crystals.
Combinatorics of Ktheory.


Ktheoretic PoirierReutenauer bialgebra,
with R.Patrias,
Discrete Mathematics, published.



Puzzles in Khomology of Grassmannians,
with J.Yang,
preprint.



Dual Filtered Graphs,
with R.Patrias,
Algebraic Combinatorics, to appear. 


Combinatorial Hopf algebras and Khomology of Grassmanians,
with T.Lam,
International Mathematical Research Notices, published. 
Geometric Rmatrices.
Solitons.
Electrical networks.
Schur positivity.

