Patric R. J. Östergård

166 papers A* 1Journal 161Unranked 4
YearRankTypeTitle / Venue / Authors
2025 J jnl
Classifying generalized Howell designs.
Des. Codes Cryptogr.
Patric R. J. Östergård
2024 J jnl
Spherical Codes With Prescribed Signed Permutation Automorphisms Inside Shells of Low-Dimensional Integer Lattices.
IEEE Trans. Inf. Theory
Mikhail Ganzhinov, Patric R. J. Östergård
2023 J jnl
Improving Uniquely Decodable Codes in Binary Adder Channels.
CoRR
József Balogh, The Nguyen, Patric R. J. Östergård, Ethan Patrick White, Michael C. Wigal
2023 J jnl
Pushing the Limits of Computational Combinatorial Constructions (Dagstuhl Seminar 23161).
Dagstuhl Reports
Lucia Moura, Anamari Nakic, Patric R. J. Östergård, Alfred Wassermann, Charlene Weiß
2022 J jnl
Switching 3-edge-colorings of cubic graphs.
Discret. Math.
Jan Goedgebeur, Patric R. J. Östergård
2021 J jnl
Switching 3-edge-colorings of cubic graphs.
CoRR
Jan Goedgebeur, Patric R. J. Östergård
2020 J jnl
Constructions of Maximum Few-Distance Sets in Euclidean Spaces.
Electron. J. Comb.
Ferenc Szöllösi, Patric R. J. Östergård
2020 J jnl
Kirkman triple systems with subsystems.
Discret. Math.
Janne I. Kokkala, Patric R. J. Östergård
2020 J jnl
Orderly generation of Butson Hadamard matrices.
Math. Comput.
Patric R. J. Östergård, Pekka H. J. Lampio, Ferenc Szöllösi
2019 J jnl
New Results on Tripod Packings.
Discret. Comput. Geom.
Patric R. J. Östergård, Antti Pöllänen
2019 J jnl
New lower bounds on q-ary error-correcting codes.
Cryptogr. Commun.
Antti Laaksonen, Patric R. J. Östergård
2019 J jnl
The sextuply shortened binary Golay code is optimal.
Des. Codes Cryptogr.
Patric R. J. Östergård
2018 J jnl
Enumeration of Seidel matrices.
Eur. J. Comb.
Ferenc Szöllösi, Patric R. J. Östergård
2018 J jnl
Mappings of Butson-type Hadamard matrices.
Discret. Math.
Patric R. J. Östergård, William T. Paavola
2018 J jnl
New Lower Bounds for Binary Constant-Dimension Subspace Codes.
Exp. Math.
Michael Braun, Patric R. J. Östergård, Alfred Wassermann
2018 J jnl
Switching of covering codes.
Discret. Math.
Patric R. J. Östergård, William D. Weakley
2018 J jnl
The chromatic number of the square of the 8-cube.
Math. Comput.
Janne I. Kokkala, Patric R. J. Östergård
2018 J jnl
There is no McLaughlin geometry.
J. Comb. Theory A
Patric R. J. Östergård, Leonard H. Soicher
2017 J jnl
Constructing error-correcting binary codes using transitive permutation groups.
Discret. Appl. Math.
Antti Laaksonen, Patric R. J. Östergård
2017 A* conf
LCL Problems on Grids.
PODC
Sebastian Brandt, Juho Hirvonen, Janne H. Korhonen, Tuomo Lempiäinen, Patric R. J. Östergård, Christopher Purcell, Joel Rybicki, Jukka Suomela, Przemyslaw Uznanski
2017 J jnl
LCL problems on grids.
CoRR
Sebastian Brandt, Juho Hirvonen, Janne H. Korhonen, Tuomo Lempiäinen, Patric R. J. Östergård, Christopher Purcell, Joel Rybicki, Jukka Suomela, Przemyslaw Uznanski
2017 — conf
New Lower Bounds on Error-Correcting Ternary, Quaternary and Quinary Codes.
ICMCTA
Antti Laaksonen, Patric R. J. Östergård
2017 J jnl
New lower bounds for the Shannon capacity of odd cycles.
Des. Codes Cryptogr.
K. Ashik Mathew, Patric R. J. Östergård
2017 J jnl
Planar Hypohamiltonian Graphs on 40 Vertices.
J. Graph Theory
Mohammadreza Jooyandeh, Brendan D. McKay, Patric R. J. Östergård, Ville H. Pettersson, Carol T. Zamfirescu
2016 J jnl
Algorithms for finding maximum transitive subtournaments.
J. Comb. Optim.
Lasse Kiviluoto, Patric R. J. Östergård, Vesa P. Vaskelainen
2016 J jnl
Constructing error-correcting binary codes using transitive permutation groups.
CoRR
Antti Laaksonen, Patric R. J. Östergård
2016 J jnl
Further results on the classification of MDS codes.
Adv. Math. Commun.
Janne I. Kokkala, Patric R. J. Östergård
2016 J jnl
Non-existence of a ternary constant weight (16, 5, 15;2048) diameter perfect code.
Adv. Math. Commun.
Denis S. Krotov, Patric R. J. Östergård, Olli Pottonen
2016 J jnl
The chromatic number of the square of the 8-cube.
CoRR
Janne I. Kokkala, Patric R. J. Östergård
2015 J jnl
A coloring of the square of the 8-cube with 13 colors.
CoRR
Janne I. Kokkala, Patric R. J. Östergård
2015 J jnl
Bounds on the domination number of Kneser graphs.
Ars Math. Contemp.
Patric R. J. Östergård, Zehui Shao, Xiaodong Xu
2015 J jnl
Enumeration of Steiner triple systems with subsystems.
Math. Comput.
Petteri Kaski, Patric R. J. Östergård, Alexandru Popa
2015 J jnl
Exhaustive Search for Snake-in-the-Box Codes.
Graphs Comb.
Patric R. J. Östergård, Ville H. Pettersson
2015 J jnl
Further Results on the Classification of MDS Codes.
CoRR
Janne I. Kokkala, Patric R. J. Östergård
2015 J jnl
Independent domination of grids.
Discret. Math.
Simon Crevals, Patric R. J. Östergård
2015 J jnl
New Lower Bounds for the Shannon Capacity of Odd Cycles.
CoRR
K. Ashik Mathew, Patric R. J. Östergård
2015 J jnl
On hypercube packings, blocking sets and a covering problem.
Inf. Process. Lett.
K. Ashik Mathew, Patric R. J. Östergård
2015 J jnl
On the Classification of MDS Codes.
IEEE Trans. Inf. Theory
Janne I. Kokkala, Denis S. Krotov, Patric R. J. Östergård
2015 J jnl
Permutation codes invariant under isometries.
Des. Codes Cryptogr.
Ingo Janiszczak, Wolfgang Lempken, Patric R. J. Östergård, Reiner Staszewski
2014 J jnl
A Note on Toeplitz' Conjecture.
Discret. Comput. Geom.
Ville Pettersson, Helge A. Tverberg, Patric R. J. Östergård
2014 — conf
Classification of MDS Codes over Small Alphabets.
ICMCTA
Janne I. Kokkala, Denis S. Krotov, Patric R. J. Östergård
2014 J jnl
Counting Hamiltonian cycles in bipartite graphs.
Math. Comput.
Harri Haanpää, Patric R. J. Östergård
2014 J jnl
Large sets of t-designs over finite fields.
J. Comb. Theory A
Michael Braun, Axel Kohnert, Patric R. J. Östergård, Alfred Wassermann
2014 J jnl
Non-existence of a ternary constant weight $(16, 5, 15; 2048)$ diameter perfect code.
CoRR
Denis S. Krotov, Patric R. J. Östergård, Olli Pottonen
2014 J jnl
On the Classification of MDS Codes.
CoRR
Janne I. Kokkala, Denis S. Krotov, Patric R. J. Östergård
2014 J jnl
On the maximum length of coil-in-the-box codes in dimension 8.
Discret. Appl. Math.
Patric R. J. Östergård, Ville H. Pettersson
2014 J jnl
On the minimum size of 4-uniform hypergraphs without property B.
Discret. Appl. Math.
Patric R. J. Östergård
2014 J jnl
Switching in One-Factorisations of Complete Graphs.
Electron. J. Comb.
Petteri Kaski, André de Souza Medeiros, Patric R. J. Östergård, Ian M. Wanless
2013 J jnl
Enumerating Cube Tilings.
Discret. Comput. Geom.
K. Ashik Mathew, Patric R. J. Östergård, Alexandru Popa
2013 J jnl
Enumerating Perfect Matchings in n-Cubes.
Order
Patric R. J. Östergård, Ville Pettersson
2013 J jnl
On optimal binary codes with unbalanced coordinates.
Appl. Algebra Eng. Commun. Comput.
Patric R. J. Östergård
2013 J jnl
On the Shannon Capacity of Triangular Graphs.
Electron. J. Comb.
Ashik Mathew Kizhakkepallathu, Patric R. J. Östergård, Alexandru Popa
2013 J jnl
Planar Hypohamiltonian Graphs on 40 Vertices
CoRR
Mohammadreza Jooyandeh, Brendan D. McKay, Patric R. J. Östergård, Ville Pettersson, Carol T. Zamfirescu
2013 J jnl
The quaternary complex Hadamard matrices of orders 10, 12, and 14.
Discret. Math.
Pekka H. J. Lampio, Ferenc Szöllösi, Patric R. J. Östergård
2012 J jnl
On triple systems and strongly regular graphs.
J. Comb. Theory A
Majid Behbahani, Clement W. H. Lam, Patric R. J. Östergård
2012 J jnl
Steiner triple systems satisfying the 4-vertex condition.
Des. Codes Cryptogr.
Petteri Kaski, Mahdad Khatirinejad, Patric R. J. Östergård
2012 J jnl
Switching codes and designs.
Discret. Math.
Patric R. J. Östergård
2011 J jnl
Computing the Domination Number of Grid Graphs.
Electron. J. Comb.
Samu Alanko, Simon Crevals, Anton Isopoussu, Patric R. J. Östergård, Ville Pettersson
2011 J jnl
Nearly Kirkman triple systems of order 18 and Hanani triple systems of order 19.
Discret. Math.
Charles J. Colbourn, Petteri Kaski, Patric R. J. Östergård, David A. Pike, Olli Pottonen
2011 J jnl
On Optimal Binary One-Error-Correcting Codes of Lengths $2^m-4$ and $2^m-3$
CoRR
Denis S. Krotov, Patric R. J. Östergård, Olli Pottonen
2011 J jnl
On Optimal Binary One-Error-Correcting Codes of Lengths 2
IEEE Trans. Inf. Theory
Denis S. Krotov, Patric R. J. Östergård, Olli Pottonen
2011 J jnl
On the Size of Optimal Three-Error-Correcting Binary Codes of Length 16.
IEEE Trans. Inf. Theory
Patric R. J. Östergård
2011 J jnl
Russian doll search for the Steiner triple covering problem.
Optim. Lett.
Patric R. J. Östergård, Vesa P. Vaskelainen
2011 J jnl
The Cycle Switching Graph of the Steiner Triple Systems of Order 19 is Connected.
Graphs Comb.
Petteri Kaski, Veli Mäkinen, Patric R. J. Östergård
2011 J jnl
The number of Latin squares of order 11.
Math. Comput.
Alexander Hulpke, Petteri Kaski, Patric R. J. Östergård
2011 J jnl
Two optimal one-error-correcting codes of length 13 that are not doubly shortened perfect codes.
Des. Codes Cryptogr.
Patric R. J. Östergård, Olli Pottonen
2010 J jnl
A census of one-factorizations of the complete 3-uniform hypergraph of order 9.
Australas. J Comb.
Mahdad Khatirinejad, Patric R. J. Östergård
2010 J jnl
A tournament of order 14 with disjoint Banks and Slater sets.
Discret. Appl. Math.
Patric R. J. Östergård, Vesa P. Vaskelainen
2010 J jnl
Classification of binary constant weight codes.
IEEE Trans. Inf. Theory
Patric R. J. Östergård
2010 J jnl
Linear codes with covering radius 3.
Des. Codes Cryptogr.
Alexander A. Davydov, Patric R. J. Östergård
2010 J jnl
Properties of the Steiner Triple Systems of Order 19.
Electron. J. Comb.
Charles J. Colbourn, Anthony D. Forbes, Mike J. Grannell, Terry S. Griggs, Petteri Kaski, Patric R. J. Östergård, David A. Pike, Olli Pottonen
2010 J jnl
The perfect binary one-error-correcting codes of length 15: part II-properties.
IEEE Trans. Inf. Theory
Patric R. J. Östergård, Olli Pottonen, Kevin T. Phelps
2009 J jnl
Classification of the (0, 2)-graphs of valency 8.
Discret. Math.
Andries E. Brouwer, Patric R. J. Östergård
2009 J jnl
Reconstructing extended perfect binary one-error-correcting codes from their minimum distance graphs.
IEEE Trans. Inf. Theory
Ivan Yu. Mogilnykh, Patric R. J. Östergård, Olli Pottonen, Faina I. Solov'eva
2009 J jnl
Sperner capacity of small digraphs.
Adv. Math. Commun.
Lasse Kiviluoto, Patric R. J. Östergård, Vesa P. Vaskelainen
2009 J jnl
The Perfect Binary One-Error-Correcting Codes of Length 15: Part II--Properties
CoRR
Patric R. J. Östergård, Olli Pottonen, Kevin T. Phelps
2009 J jnl
The perfect binary one-error-correcting codes of length 15: part I-classification.
IEEE Trans. Inf. Theory
Patric R. J. Östergård, Olli Pottonen
2009 J jnl
Two Optimal One-Error-Correcting Codes of Length 13 That Are Not Doubly Shortened Perfect Codes
CoRR
Patric R. J. Östergård, Olli Pottonen
2008 J jnl
On the minimum size of binary codes with length 2
Des. Codes Cryptogr.
Gerzson Kéri, Patric R. J. Östergård
2008 J jnl
P.G. Szabó, M.C. Markót, T. Csendes, E. Specht, L.G. Casado, I. García, New Approaches to Circle Packing in a Square, Springer, Berlin, 2007, ISBN: 978-0-387-45673-7, pp 238.
Oper. Res. Lett.
Patric R. J. Östergård
2008 J jnl
Reconstructing Extended Perfect Binary One-Error-Correcting Codes from Their Minimum Distance Graphs
CoRR
Ivan Yu. Mogilnykh, Patric R. J. Östergård, Olli Pottonen, Faina I. Solov'eva
2008 J jnl
Small P-Groups with Full-Rank Factorization.
Int. J. Algebra Comput.
Harri Haanpää, Patric R. J. Östergård, Sándor Szabó
2008 J jnl
Steiner triple systems of order 19 and 21 with subsystems of order 7.
Discret. Math.
Petteri Kaski, Patric R. J. Östergård, Svetlana Topalova, Rosen Zlatarski
2008 J jnl
The Perfect Binary One-Error-Correcting Codes of Length 15: Part I--Classification
CoRR
Patric R. J. Östergård, Olli Pottonen
2008 J jnl
There exists no Steiner system S(4, 5, 17).
J. Comb. Theory A
Patric R. J. Östergård, Olli Pottonen
2007 J jnl
Elementary P-Groups with the RÉdei Property.
Int. J. Algebra Comput.
Patric R. J. Östergård, Sándor Szabó
2007 J jnl
Further results on the covering radius of small codes.
Discret. Math.
Gerzson Kéri, Patric R. J. Östergård
2007 J jnl
New Uniquely Decodable Codes for the T-User Binary Adder Channel With 3<=T<=5.
IEEE Trans. Inf. Theory
Lasse Kiviluoto, Patric R. J. Östergård
2007 J jnl
There exists no symmetric configuration with 33 points and line size 6.
Australas. J Comb.
Petteri Kaski, Patric R. J. Östergård
2006 J jnl
New constructions of optimal self-dual binary codes of length 54.
Des. Codes Cryptogr.
Stefka Bouyuklieva, Patric R. J. Östergård
2006 J jnl
The Steiner quadruple systems of order 16.
J. Comb. Theory A
Petteri Kaski, Patric R. J. Östergård, Olli Pottonen
2006 J jnl
There are exactly five biplanes with k=11.
Electron. Notes Discret. Math.
Patric R. J. Östergård, Petteri Kaski
2006 J jnl
Unidirectional covering codes.
IEEE Trans. Inf. Theory
Patric R. J. Östergård, Esa Antero Seuranen
2005 J jnl
A New Bound for the Zero-Error Capacity Region of the Two-User Binary Adder Channel.
IEEE Trans. Inf. Theory
M. Mattas, Patric R. J. Östergård
2005 J jnl
Bounds for Covering Codes over Large Alphabets.
Des. Codes Cryptogr.
Gerzson Kéri, Patric R. J. Östergård
2005 J jnl
Classification of Self-Orthogonal Codes over F
SIAM J. Discret. Math.
Iliya Bouyukliev, Patric R. J. Östergård
2005 — conf
Constructing combinatorial objects via cliques.
BCC
Patric R. J. Östergård
2005 J jnl
Near-Extremal Formally Self-Dual Even Codes of Lengths 24 and 32.
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada, Takuji Nishimura, Patric R. J. Östergård
2005 J jnl
New Results on Codes with Covering Radius 1 and Minimum Distance 2.
Des. Codes Cryptogr.
Patric R. J. Östergård, Jörn Quistorff, Alfred Wassermann
2005 J jnl
One-Factorizations of Regular Graphs of Order 12.
Electron. J. Comb.
Petteri Kaski, Patric R. J. Östergård
2005 J jnl
Two New Four-Error-Correcting Binary Codes.
Des. Codes Cryptogr.
Patric R. J. Östergård
2004 J jnl
Binary optimal linear rate 1/2 codes.
Discret. Math.
T. Aaron Gulliver, Patric R. J. Östergård
2004 J jnl
Enumeration of balanced ternary designs.
Discret. Appl. Math.
Petteri Kaski, Patric R. J. Östergård
2004 J jnl
Miscellaneous classification results for 2-designs.
Discret. Math.
Petteri Kaski, Patric R. J. Östergård
2004 J jnl
On a hypercube coloring problem.
J. Comb. Theory A
Patric R. J. Östergård
2004 J jnl
Resolving the Existence of Full-Rank Tilings of Binary Hamming Spaces.
SIAM J. Discret. Math.
Patric R. J. Östergård, Alexander Vardy
2004 J jnl
Sets in Z
Discret. Appl. Math.
Harri Haanpää, Antti Huima, Patric R. J. Östergård
2004 J jnl
The Steiner triple systems of order 19.
Math. Comput.
Petteri Kaski, Patric R. J. Östergård
2004 J jnl
There exists no Hermitian self-dual quaternary [26, 13, 10]
IEEE Trans. Inf. Theory
Patric R. J. Östergård
2003 J jnl
An improved upper bound for the football pool problem for nine matches.
J. Comb. Theory A
Franco Di Pasquale, Patric R. J. Östergård
2003 J jnl
Binary Two-Error-Correcting Codes are Better than Quaternary.
Appl. Algebra Eng. Commun. Comput.
Patric R. J. Östergård
2003 J jnl
Classification of whist tournaments with up to 12 players.
Discret. Appl. Math.
Harri Haanpää, Patric R. J. Östergård
2003 J jnl
Disproof of a conjecture on the existence of balanced optimal covering codes.
IEEE Trans. Inf. Theory
Patric R. J. Östergård
2003 J jnl
More
Discret. Math.
Dameng Deng, Malcolm Greig, Patric R. J. Östergård
2003 J jnl
On the Classification of Self-Dual Codes over F
Graphs Comb.
Masaaki Harada, Patric R. J. Östergård
2003 J jnl
Optimal linear rate 1/2 codes over F
Discret. Math.
T. Aaron Gulliver, Patric R. J. Östergård, Nikolai Senkevitch
2003 J jnl
Optimal quaternary linear rate-1/2 codes of length <18.
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Patric R. J. Östergård, Nikolai Senkevitch
2002 J jnl
A 2-(22, 8, 4) Design Cannot Have a 2-(10, 4, 4) Subdesign.
Des. Codes Cryptogr.
Patric R. J. Östergård
2002 J jnl
A New Lower Bound for the Football Pool Problem for Six Matches.
J. Comb. Theory A
Patric R. J. Östergård, Alfred Wassermann
2002 J jnl
A fast algorithm for the maximum clique problem.
Discret. Appl. Math.
Patric R. J. Östergård
2002 J jnl
Bounds and constructions for ternary constant-composition codes.
IEEE Trans. Inf. Theory
Mattias Svanström, Patric R. J. Östergård, Galina T. Bogdanova
2002 J jnl
Classification of Extremal Formally Self-Dual Even Codes of Length 22.
Graphs Comb.
Masaaki Harada, Patric R. J. Östergård
2002 J jnl
Classifying Subspaces of Hamming Spaces.
Des. Codes Cryptogr.
Patric R. J. Östergård
2002 J jnl
Enumeration of 2-(9, 3, lambda) Designs and Their Resolutions.
Des. Codes Cryptogr.
Patric R. J. Östergård, Petteri Kaski
2002 J jnl
Self-dual and maximal self-orthogonal codes over F
Discret. Math.
Masaaki Harada, Patric R. J. Östergård
2002 J jnl
Ternary Constant Weight Codes.
Electron. J. Comb.
Patric R. J. Östergård, Mattias Svanström
2001 J jnl
A New Algorithm for the Maximum-Weight Clique Problem.
Nord. J. Comput.
Patric R. J. Östergård
2001 J jnl
Bounds on codes over an alphabet of five elements.
Discret. Math.
Galina T. Bogdanova, Patric R. J. Östergård
2001 J jnl
Error-Correcting Codes over an Alphabet of Four Elements.
Des. Codes Cryptogr.
Galina T. Bogdanova, Andries E. Brouwer, Stoyan N. Kapralov, Patric R. J. Östergård
2001 J jnl
Improved Bounds for Ternary Linear Codes of Dimension 8 Using Tabu Search.
J. Heuristics
T. Aaron Gulliver, Patric R. J. Östergård
2001 J jnl
Linear codes with covering radius R = 2, 3 and codimension tR.
IEEE Trans. Inf. Theory
Alexander A. Davydov, Patric R. J. Östergård
2001 J jnl
On the size of optimal binary codes of length 9 and covering radius 1.
IEEE Trans. Inf. Theory
Patric R. J. Östergård, Uri Blass
2001 J jnl
Values of Domination Numbers of the Queen's Graph.
Electron. J. Comb.
Patric R. J. Östergård, William D. Weakley
2000 J jnl
Classification of binary/ternary one-error-correcting codes.
Discret. Math.
Patric R. J. Östergård
2000 J jnl
Enumeration of 2-(12, 3, 2) designs.
Australas. J Comb.
Patric R. J. Östergård
2000 J jnl
New Binary Linear Codes.
Ars Comb.
T. Aaron Gulliver, Patric R. J. Östergård
2000 J jnl
On Saturating Sets in Small Projective Geometries.
Eur. J. Comb.
Alexander A. Davydov, Patric R. J. Östergård
1999 J jnl
A New Algorithm for the Maximum-Weight Clique Problem.
Electron. Notes Discret. Math.
Patric R. J. Östergård
1999 J jnl
Constructing Covering Codes with Given Automorphisms.
Des. Codes Cryptogr.
Patric R. J. Östergård, William D. Weakley
1999 J jnl
Covering t-sets with (t+2)-sets.
Discret. Appl. Math.
Kari J. Nurmela, Patric R. J. Östergård
1999 J jnl
More Optimal Packings of Equal Circles in a Square.
Discret. Comput. Geom.
Kari J. Nurmela, Patric R. J. Östergård
1999 J jnl
New Constructions for q-ary Covering Codes.
Ars Comb.
Patric R. J. Östergård
1999 J jnl
New Linear Codes with Covering Radius 2 and Odd Basis.
Des. Codes Cryptogr.
Alexander A. Davydov, Patric R. J. Östergård
1999 — conf
On Binary/Ternary Error-Correcting Codes with Minimum Distance 4.
AAECC
Patric R. J. Östergård
1999 J jnl
Optimal Binary One-Error-Correcting Codes of Length 10 Have 72 Codewords.
IEEE Trans. Inf. Theory
Patric R. J. Östergård, Tsonka Stefanova Baicheva, Emil Kolev
1998 J jnl
Bounds on Mixed Binary/Ternary Codes.
IEEE Trans. Inf. Theory
Andries E. Brouwer, Heikki O. Hämäläinen, Patric R. J. Östergård, Neil J. A. Sloane
1998 J jnl
Dense packings of congruent circles in a circle.
Discret. Math.
Ronald L. Graham, Boris D. Lubachevsky, Kari J. Nurmela, Patric R. J. Östergård
1998 J jnl
Greedy and Heuristic Algorithms for Codes and Colorings.
IEEE Trans. Inf. Theory
Tuvi Etzion, Patric R. J. Östergård
1998 J jnl
Improved Bounds for Quaternary Linear Codes of Dimension 6.
Appl. Algebra Eng. Commun. Comput.
T. Aaron Gulliver, Patric R. J. Östergård
1998 J jnl
New upper bounds for binary covering codes.
Discret. Math.
Patric R. J. Östergård, Markku K. Kaikkonen
1998 J jnl
On the structure of optimal error-correcting codes.
Discret. Math.
Patric R. J. Östergård
1997 J jnl
A Coloring Problem in Hamming Spaces.
Eur. J. Comb.
Patric R. J. Östergård
1997 J jnl
A New Table of Binary/Ternary Mixed Covering Codes.
Des. Codes Cryptogr.
Patric R. J. Östergård, Heikki O. Hämäläinen
1997 J jnl
Improved bounds for ternary linear codes of dimension 7.
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Patric R. J. Östergård
1997 J jnl
New constant weight codes from linear permutation groups.
IEEE Trans. Inf. Theory
Kari J. Nurmela, Markku K. Kaikkonen, Patric R. J. Östergård
1997 J jnl
Packing up to 50 Equal Circles in a Square.
Discret. Comput. Geom.
Kari J. Nurmela, Patric R. J. Östergård
1997 J jnl
Ternary Covering Codes Derived from BCH Codes.
J. Comb. Theory A
John C. Cock, Patric R. J. Östergård
1996 J jnl
A Combinatorial Proof for the Football Pool Problem for Six Matches.
J. Comb. Theory A
Patric R. J. Östergård
1996 J jnl
New single-error-correcting codes.
IEEE Trans. Inf. Theory
Patric R. J. Östergård, Markku K. Kaikkonen
1995 J jnl
Bounds for Binary Codes That Are Multiple Coverings of the Farthest-Off Points.
SIAM J. Discret. Math.
Heikki O. Hämäläinen, Iiro S. Honkala, Simon Litsyn, Patric R. J. Östergård
1995 J jnl
New multiple covering codes by tabu search.
Australas. J Comb.
Patric R. J. Östergård
1994 J jnl
New Upper Bounds for the Football Pool Problem for 11 and 12 Matches.
J. Comb. Theory A
Patric R. J. Östergård
1992 J jnl
Further results on (k, t)-subnormal covering codes.
IEEE Trans. Inf. Theory
Patric R. J. Östergård
1991 J jnl
A new binary code of length 10 and covering radius 1.
IEEE Trans. Inf. Theory
Patric R. J. Östergård
1991 J jnl
Correction to 'Upper Bounds for q-ary Covering Codes'.
IEEE Trans. Inf. Theory
Patric R. J. Östergård
1991 J jnl
Upper bounds for q-ary covering codes.
IEEE Trans. Inf. Theory
Patric R. J. Östergård