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math.MG2021★ 1 cited
Approximate solutions to the Travelling Salesperson Problem on semimetric graphs
Mateusz Krukowski, Filip Turoboś
With the aid of the relaxed polygonal inequality (introduced by Fagin et al.) we strive to extend the applicability of Christofides approximation technique to the scope of all comp…
math.MG2020
On characterization of functions preserving metric-type conditions via triangular and polygonal structures
Filip Turoboś
Following the train of thought from our previous paper we revisit the theorems of Pongsriiam and Termwuttipong by further developing their characterization of certain property-pres…