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Dive into the research topics where Ondrej Sykora is active.

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Featured researches published by Ondrej Sykora.


Algorithmica | 1985

A Minimum-Area Circuit for l-Selection

Pavol Duris; Ondrej Sykora; Clark D. Thompson; Imrich Vrto

We prove tight upper and lower bounds on the area of semelective, when-oblivious VLSI circuits for the problem ofl-selection. The area required to select thelth smallest ofnk-bit integers is found to be heavily dependent on the relative sizes ofl,k, andn. Whenl<2k, the minimal area isA = Θ(minn,l(k-logl)). Whenl≥2k,A = Θ(2k(logl-k + 1)).


Archive | 1997

Crossing Numbers: Bounds and Applications

Farhad Shahrokhi; Ondrej Sykora


Lecture Notes in Computer Science | 2005

Parallel genetic algorithm and parallel simulated annealing algorithm for the closest string problem

Xuan Liu; Hongmei He; Ondrej Sykora


Computing and Informatics \/ Computers and Artificial Intelligence | 1985

Tight chip area bounds for sorting

Pavol Duris; Clark D. Thompson; Ondrej Sykora; Imrich Vrto


Archive | 2005

Genetic algorithms for bipartite and outerplanar graph drawings are best

Hongmei He; Matthew Newton; Ondrej Sykora


Archive | 2006

Heuristic crossing minimisation algorithms for the two-page drawing problem

Hongmei He; Ondrej Sykora; A.M. Salagean; Imrich Vrto


Archive | 2004

PVM algorithms for some problems in bioinformatics

Hongmei He; Xuan Liu; Matthew Newton; Ondrej Sykora


Lecture Notes in Computer Science | 2003

Bounds and methods for k-planar crossing numbers

Farhad Shahrokhi; Ondrej Sykora; László A. Székely; Imrich Vrto


Lecture Notes in Computer Science | 2003

An improved upper bound on the crossing number of the hypercube

Luerbio Faria; Celina M. Herrera de Figueiredo; Ondrej Sykora; Imrich Vrto


Lecture Notes in Computer Science | 2002

Fractional lengths and crossing numbers

Ondrej Sykora; László A. Székely; Imrich Vrto

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Imrich Vrto

Slovak Academy of Sciences

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Hongmei He

Loughborough University

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Pavol Duris

Slovak Academy of Sciences

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László A. Székely

University of South Carolina

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Celina M. Herrera de Figueiredo

Federal University of Rio de Janeiro

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Luerbio Faria

Rio de Janeiro State University

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