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Speyer's g conjecture and Betti numbers for a pair of matroids
Alex Fink, Queen Mary University of London
In 2009, looking to bound the face vectors of matroid subdivisions and tropical linear spaces, Speyer introduced the g-invariant of a...
Complexity of combinatorial log-concave inequalities
Swee Hong Chan, Rutgers University
A sequence of positive real numbers a_1, a_2, ..., a_n, is log-concave if a_i^2 >= a_{i-1}a_{i+1} for all i ranging from 2 to n-1....