Ondrej Turek

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Affiliation: Visiting Researcher, Laboratory of Physics, Kochi University of Technology

Degree: PhD(2009, Czech Technical University in Prague; Université de Toulon)

J-GLOBAL ID: 201101079306102828
researchmap Member ID: B000001391

External link: http://www.lab.kochi-tech.ac.jp/quantum/

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Papers

Numerical methods for estimating the tuning parameter in penalized least squares problems

Christos Koukouvinos, Angeliki Lappa, Marilena Mitrouli, Paraskevi Roupa, Ondřej Turek

Communications in Statistics - Simulation and Computation, 51(4) 1542-1563, Apr, 2022 Peer-reviewed
On the estimation of ${x}^TA^{-1}{x}$ for symmetric matrices

Paraskevi Fika, Marilena Mitrouli, Ondrej Turec

The Electronic Journal of Linear Algebra, 37 549-561, Jul 28, 2021 Peer-reviewed
Estimating the Quadratic Form xTA−mx for Symmetric Matrices: Further Progress and Numerical Computations

Marilena Mitrouli, Athanasios Polychronou, Paraskevi Roupa, Ondřej Turek

Mathematics, 9(12) 1432-1432, Jun 19, 2021 Peer-reviewed
Circulant matrices with orthogonal rows and off-diagonal entries of absolute value 1

Daniel Uzcátegui Contreras, Dardo Goyeneche, Ondřej Turek, Zuzana Václavíková

Communications in Mathematics, 29(1) 15-34, Apr 30, 2021 Peer-reviewed
Efficient estimates in regression models with highly correlated covariates

Christos Koukouvinos, Marilena Mitrouli, Ondřej Turek

Journal of Computational and Applied Mathematics, 373 112416-112416, Aug, 2020 Peer-reviewed
A generalization of circulant Hadamard and conference matrices

Ondřej Turek, Dardo Goyeneche

Linear Algebra and its Applications, 569 241-265, May, 2019 Peer-reviewed
Gaps in the Spectrum of a Cuboidal Periodic Lattice Graph

Ondřej Turek

Reports on Mathematical Physics, 83(1) 107-127, Mar, 2019 Peer-reviewed
An Eigenvalue Approach For Estimating The Generalized Cross Validation Function For Correlated Matrices

Christos Koukouvinos, Khalide Jbilou, Marilena Mitrouli, Ondrej Turek

The Electronic Journal of Linear Algebra, 35 482-496, Feb 1, 2019 Peer-reviewed
One-sided Diophantine approximations

Jaroslav Hančl, Ondřej Turek

Journal of Physics A: Mathematical and Theoretical, 52(4) 045205-045205, Jan 7, 2019 Peer-reviewed
Determinantal Properties of Generalized Circulant Hadamard Matrices

Marilena Mitrouli, Ondrej Turek

The Electronic Journal of Linear Algebra, 34 639-651, Dec, 2018 Peer-reviewed
A family of quantum graph vertex couplings interpolating between different symmetries

Pavel Exner, Ondřej Turek, Miloš Tater

Journal of Physics A: Mathematical and Theoretical, 51(28) 285301, Jun 7, 2018 Peer-reviewed
Periodic quantum graphs from the Bethe-Sommerfeld perspective

Pavel Exner, Ondřej Turek

Journal of Physics A: Mathematical and Theoretical, 50(45) 455201, Oct 10, 2017 Peer-reviewed
Quantum graphs with the Bethe-Sommerfeld property

Pavel Exner, Ondrej Turek

8(3) 305-309, Jun, 2017 Peer-reviewed
Equiangular tight frames and unistochastic matrices

Dardo Goyeneche, Ondrej Turek

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 50(24) 245304, Jun, 2017 Peer-reviewed
On quantum graph filters with flat passbands

Ondrej Turek

Functional Analysis and Operator Theory for Quantum Physics (EMS Proceedings, Pavel Exner Anniversary Volume; eds.: J. Dittrich, H. Kovarik, A. Laptev), 543-563, May, 2017 Peer-reviewedInvited
Spectrum of a Dilated Honeycomb Network

Pavel Exner, Ondrej Turek

INTEGRAL EQUATIONS AND OPERATOR THEORY, 81(4) 535-557, Apr, 2015 Peer-reviewed
Hermitian unitary matrices with modular permutation symmetry

Ondrej Turek, Taksu Cheon

LINEAR ALGEBRA AND ITS APPLICATIONS, 469 569-593, Mar, 2015 Peer-reviewed
Abelian complexity function of the Tribonacci word

Ondrej Turek

J. Integer Seq., 18(3) Article 15.3.4-(29 pp.), Feb, 2015 Peer-reviewed
Abelian properties of Parry words

Ondrej Turek

THEORETICAL COMPUTER SCIENCE, 566 26-38, Feb, 2015 Peer-reviewed
Balances of m-bonacci Words

Karel Brinda, Edita Pelantova, Ondrej Turek

FUNDAMENTA INFORMATICAE, 132(1) 33-61, 2014 Peer-reviewed

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