Results 51 to 60 of about 150,456 (276)

Parameterized Complexity of Broadcasting in Graphs

open access: yesTheoretical Computer Science, 2023
The task of the broadcast problem is, given a graph G and a source vertex s, to compute the minimum number of rounds required to disseminate a piece of information from s to all vertices in the graph. It is assumed that, at each round, an informed vertex can transmit the information to at most one of its neighbors.
Fomin, Fedor   +2 more
openaire   +5 more sources

Pattern-Guided k-Anonymity

open access: yesAlgorithms, 2013
We suggest a user-oriented approach to combinatorial data anonymization. A data matrix is called k-anonymous if every row appears at least k times—the goal of the NP-hard k-ANONYMITY problem then is to make a given matrix k-anonymous by suppressing ...
Rolf Niedermeier   +2 more
doaj   +1 more source

Parameterized Complexity of Simultaneous Planarity

open access: yes, 2023
Given $k$ input graphs $G_1, \dots ,G_k$, where each pair $G_i$, $G_j$ with $i \neq j$ shares the same graph $G$, the problem Simultaneous Embedding With Fixed Edges (SEFE) asks whether there exists a planar drawing for each input graph such that all drawings coincide on $G$.
Simon D. Fink   +2 more
openaire   +2 more sources

Parameterized complexity of reconfiguration of atoms

open access: yesAlgorithmica, 2022
Abstract Our work is motivated by the challenges presented in preparing arrays of atoms for use in quantum simulation. The recently-developed process of loading atoms into traps results in approximately half of the traps being filled. To consolidate the atoms so that they form a dense and regular arrangement, such as all locations in a grid ...
Cooper, Alexandre   +3 more
openaire   +2 more sources

The Parameterized Complexity of the Minimum Shared Edges Problem [PDF]

open access: yes, 2015
We study the NP-complete Minimum Shared Edges (MSE) problem. Given an undirected graph, a source and a sink vertex, and two integers p and k, the question is whether there are p paths in the graph connecting the source with the sink and sharing at most k
Fluschnik, Till   +3 more
core   +2 more sources

Parameterized Complexity of Discrete Morse Theory [PDF]

open access: yesACM Transactions on Mathematical Software, 2013
Optimal Morse matchings reveal essential structures of cell complexes that lead to powerful tools to study discrete geometrical objects, in particular, discrete 3-manifolds. However, such matchings are known to be NP-hard to compute on 3-manifolds through a reduction to the erasability problem.
Burton, Benjamin A.   +3 more
openaire   +3 more sources

Theorietage der Gesellschaft für Informatik in Speyer 2015—Special Issue

open access: yesAlgorithms, 2016
We briefly report on the national workshops on Formal Languages and Automata Theory as well as on Algorithms and Complexity Theory held in early Autumn, 2015.
Henning Fernau
doaj   +1 more source

Paradigms for Parameterized Enumeration [PDF]

open access: yes, 2013
The aim of the paper is to examine the computational complexity and algorithmics of enumeration, the task to output all solutions of a given problem, from the point of view of parameterized complexity.
D. Marx   +7 more
core   +2 more sources

Parameterized Complexity Results for a Model of Theory of Mind Based on Dynamic Epistemic Logic [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2016
In this paper we introduce a computational-level model of theory of mind (ToM) based on dynamic epistemic logic (DEL), and we analyze its computational complexity. The model is a special case of DEL model checking.
Iris van de Pol   +2 more
doaj   +1 more source

Uniform vs. Nonuniform Membership for Mildly Context-Sensitive Languages: A Brief Survey

open access: yesAlgorithms, 2016
Parsing for mildly context-sensitive language formalisms is an important area within natural language processing. While the complexity of the parsing problem for some such formalisms is known to be polynomial, this is not the case for all of them.
Henrik Björklund   +2 more
doaj   +1 more source

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