Sorting by reversals is difficult
RECOMB '97 Proceedings of the first annual international conference on Computational molecular biology
Invitation to data reduction and problem kernelization
ACM SIGACT News
On the parameterized complexity of multiple-interval graph problems
Theoretical Computer Science
On problems without polynomial kernels
Journal of Computer and System Sciences
Local search: is brute-force avoidable?
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
Local search: is brute-force avoidable?
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
Kernelization: New Upper and Lower Bound Techniques
Parameterized and Exact Computation
Tight lower bounds for certain parameterized NP-hard problems
Information and Computation
On the hardness of losing weight
ACM Transactions on Algorithms (TALG)
Searching the k-change neighborhood for TSP is W[1]-hard
Operations Research Letters
Stable assignment with couples: Parameterized complexity and local search
Discrete Optimization
Parameterized Complexity
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We extend previous work on the parameterized complexity of local search for the Travelling Salesperson Problem (TSP). So far, its parameterized complexity has been investigated with respect to the distance measures (which define the local search area) "Edge Exchange" and "Max-Shift". We perform studies with respect to the distance measures "Swap" and "m-Swap", "Reversal" and "m-Reversal", and "Edit", achieving both fixed-parameter tractability and W[1]-hardness results. Moreover, we provide non-existence results for polynomial-size problem kernels and we show that some in general W[1]-hard problems turn fixed-parameter tractable when restricted to planar graphs.