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Optimal Complexity of Parameterized Quantum Circuits. [PDF]

open access: yesEntropy (Basel)
Parameterized quantum circuits are central to the development of variational quantum algorithms in the NISQ era. A key feature of these circuits is their ability to generate an expressive set of quantum states, enabling the approximation of solutions to ...
Correr GI   +3 more
europepmc   +2 more sources

Parameterized Complexity of Equitable Coloring [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2019
A graph on $n$ vertices is equitably $k$-colorable if it is $k$-colorable and every color is used either $\left\lfloor n/k \right\rfloor$ or $\left\lceil n/k \right\rceil$ times.
Guilherme de C. M. Gomes   +2 more
doaj   +5 more sources

A Survey on Approximation in Parameterized Complexity: Hardness and Algorithms

open access: yesAlgorithms, 2020
Parameterization and approximation are two popular ways of coping with NP-hard problems. More recently, the two have also been combined to derive many interesting results.
Andreas Emil Feldmann   +2 more
exaly   +3 more sources

On the parameterized complexity of the median and closest problems under some permutation metrics. [PDF]

open access: yesAlgorithms Mol Biol
Genome rearrangements are events where large blocks of DNA exchange places during evolution. The analysis of these events is a promising tool for understanding evolutionary genomics, providing data for phylogenetic reconstruction based on genome ...
Cunha L, Sau I, Souza U.
europepmc   +2 more sources

Parameterized complexity of synchronization and road coloring [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2015
Automata, Logic and ...
Vojtěch Vorel, Adam Roman
doaj   +1 more source

Incremental FPT Delay

open access: yesAlgorithms, 2020
In this paper, we study the relationship of parameterized enumeration complexity classes defined by Creignou et al. (MFCS 2013). Specifically, we introduce two hierarchies (IncFPTa and CapIncFPTa) of enumeration complexity classes for incremental fpt ...
Arne Meier
doaj   +1 more source

New Algorithms for Mixed Dominating Set [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2021
A mixed dominating set is a collection of vertices and edges that dominates all vertices and edges of a graph. We study the complexity of exact and parameterized algorithms for \textsc{Mixed Dominating Set}, resolving some open questions.
Louis Dublois   +2 more
doaj   +1 more source

Clique Transversal Variants on Graphs: A Parameterized-Complexity Perspective

open access: yesMathematics, 2023
The clique transversal problem and its variants have garnered significant attention in the last two decades due to their practical applications in communication networks, social-network theory and transceiver placement for cellular telephones.
Chuan-Min Lee
doaj   +1 more source

On the Descriptive Complexity of Color Coding

open access: yesAlgorithms, 2021
Color coding is an algorithmic technique used in parameterized complexity theory to detect “small” structures inside graphs. The idea is to derandomize algorithms that first randomly color a graph and then search for an easily-detectable, small color ...
Max Bannach, Till Tantau
doaj   +1 more source

Model-Checking Problems as a Basis for Parameterized Intractability [PDF]

open access: yesLogical Methods in Computer Science, 2005
Most parameterized complexity classes are defined in terms of a parameterized version of the Boolean satisfiability problem (the so-called weighted satisfiability problem). For example, Downey and Fellow's W-hierarchy is of this form.
Joerg Flum, Martin Grohe
doaj   +1 more source

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