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math.CO2007★ 5 cited
On bases of tropical Plücker functions
Vladimir I. Danilov, Alexander V. Karzanov, Gleb A. Koshevoy
We consider functions $f:B\to\Rset$ that obey tropical analogs of classical Plücker relations on minors of a matrix. The most general set that we deal with in this paper is of…
math.CO2000
How to Uncross Some Modular Metrics
Alexander V. Karzanov
Let be a metric on a set T, and let c be a nonnegative function on the unordered pairs of elements of a superset . We consider the problem of minimizing the inner…