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math.CO2020
The cone of quasi-semimetrics and exponent matrices of tiled orders
Mikhailo Dokuchaev, Arnaldo Mandel, Makar Plakhotnyk
Finite quasi semimetrics on can be thought of as nonnegative valuations on the edges of a complete directed graph on vertices satisfying all possible triangle inequalities.…
math.CO2019★ 2 cited
Dragging the roots of a polynomial to the unit circle
Arnaldo Mandel, Sinai Robins
Several conditions are known for a self-inversive polynomial that ascertain the location of its roots, and we present a framework for comparison of those conditions. We associate a…