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Sorting a Permutation by Best Short Swaps

期刊: ALGORITHMICA, ; ()

A permutation is happy, if it can be transformed into the identity permutation using as many short swaps as one third times the number of inversions i......

Computing the Rooted Triplet Distance Between Phylogenetic Networks

期刊: ALGORITHMICA, ; ()

The rooted triplet distance measures the structural dissimilarity of two phylogenetic trees or phylogenetic networks by counting the number of rooted ......

Analysis of Noisy Evolutionary Optimization When Sampling Fails

期刊: ALGORITHMICA, 2021; 83 (4)

In noisy evolutionary optimization, sampling is a common strategy to deal with noise. By the sampling strategy, the fitness of a solution is evaluated......

Runtime Performances of Randomized Search Heuristics for the Dynamic Weighted Vertex Cover Problem

期刊: ALGORITHMICA, 2021; 83 (4)

Randomized search heuristics such as evolutionary algorithms are frequently applied to dynamic combinatorial optimization problems. Within this paper,......

Characterizing Star-PCGs

期刊: ALGORITHMICA, 2020; 82 (10)

A graph G is called a pairwise compatibility graph (PCG, for short) if it admits a tuple (T, w, d min, d max) of a tree T whose leaf set is equal to t......

Improved Approximation Algorithms for Path Vertex Covers in Regular Graphs

期刊: ALGORITHMICA, 2020; 82 (10)

Given a simple graph G=(V,E) and a constant integer k >= 2, the k-path vertex cover problem (PkVC) asks for a minimum subset F subset of V of verti......

On the Optimality of Tape Merge of Two Lists with Similar Size

期刊: ALGORITHMICA, 2020; 82 (7)

The problem of merging sorted lists in the least number of pairwise comparisons has been solved completely only for a few special cases. Graham and Ka......

The Complexity of Tree Partitioning

期刊: ALGORITHMICA, 2020; 82 (9)

Given a tree T on n vertices, and k, b, s 1,., s b. N, the Tree Partitioning problem asks if at most k edges can be removed from T so that the resulti......

Extensions of Self-Improving Sorters

期刊: ALGORITHMICA, 2020; 82 (1)

Ailon et al. (SIAM J Comput 40(2):350-375, 2011) proposed a self-improving sorter that tunes its performance to an unknown input distribution in a tra......

Network Pollution Games

期刊: ALGORITHMICA, 2019; 81 (1)

The problem of pollution control has been mainly studied in the environmental economics literature where the methodology of game theory is applied for......

JIF:0.88

Reoptimization Time Analysis of Evolutionary Algorithms on Linear Functions Under Dynamic Uniform Constraints

期刊: ALGORITHMICA, 2019; 81 (2)

Rigorous runtime analysis is a major approach towards understanding evolutionary computing techniques, and in this area linear pseudo-Boolean objectiv......

JIF:0.88

Running Time Analysis of the (1+1)-EA for OneMax and LeadingOnes Under Bit-Wise Noise

期刊: ALGORITHMICA, 2019; 81 (2)

In many real-world optimization problems, the objective function evaluation is subject to noise, and we cannot obtain the exact objective value. Evolu......

JIF:0.88

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