22 citations · 43 across the 6 of their papers we have counts for
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math.CO2003★ 13 cited
The tropical totally positive Grassmannian
David Speyer, Lauren K. Williams
Tropical algebraic geometry is the geometry of the tropical semiring (R, min, +). The theory of total positivity is a natural generalization of the study of matrices with all minor…
math.CO2003★ 3 cited
Enumeration of totally positive Grassmann cells
Lauren K. Williams
Alex Postnikov has given a combinatorially explicit cell decomposition of the totally nonnegative part of a Grassmannian, denoted Gr_{kn}+, and showed that this set of cells is iso…