Sleegers, Joeri; Olij, Richard; Horn, Gijs van; Berg, … - In: Operations research perspectives 7 (2020), pp. 1-6
, the difference in instance hardness stems from a roundoff error that was possibly overlooked. This gives rise to a sudden … renders the earlier proposed order parameter unsuitable and changes the perspective on the fundamentals of ATSP instance … hardness for this kind of algorithm. …
