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1

Football Pools--A Game for Mathematicians

Heikki Hämäläinen, Iiro Honkala, Simon Litsyn and Patric Östergård

Journal:

American Mathematical Monthly

Year:

1995

Language:

english

File:

PDF, 317 KB

english, 1995

2

A New Lower Bound for the Football Pool Problem for Six Matches

Patric R.J. Östergård, Alfred Wassermann

Journal:

Journal of Combinatorial Theory, Series A

Year:

2002

Language:

english

File:

PDF, 89 KB

english, 2002

3

A fast algorithm for the maximum clique problem

Patric R.J. Östergård

Journal:

Discrete Applied Mathematics

Year:

2002

Language:

english

File:

PDF, 94 KB

english, 2002

4

Bounds for Covering Codes over Large Alphabets

Gerzson Kéri, Patric R. J. Östergård

Journal:

Designs, Codes and Cryptography

Year:

2005

Language:

english

File:

PDF, 131 KB

english, 2005

5

Classification of resolvable balanced incomplete block designs — the unitals on 28 points

Petteri Kaski, Patric R. J. Östergård

Journal:

Mathematica Slovaca

Year:

2009

Language:

english

File:

PDF, 205 KB

english, 2009

6

New Quaternary Linear Codes with Covering Radius 2

Alexander A. Davydov, Patric R.J. Östergård

Journal:

Finite Fields and Their Applications

Year:

2000

Language:

english

File:

PDF, 123 KB

english, 2000

7

A Combinatorial Proof for the Football Pool Problem for Six Matches

Patric R.J. Östergård

Journal:

Journal of Combinatorial Theory, Series A

Year:

1996

Language:

english

File:

PDF, 171 KB

english, 1996

8

New upper bounds for the football pool problem for 11 and 12 matches

Patric R.J Östergård

Journal:

Journal of Combinatorial Theory, Series A

Year:

1994

Language:

english

File:

PDF, 357 KB

english, 1994

9

Sets in Abelian groups with distinct sums of pairs

Harri Haanpää, Patric R.J. Östergård

Journal:

Journal of Number Theory

Year:

2007

Language:

english

File:

PDF, 141 KB

english, 2007

10

Classification of binary/ternary one-error-correcting codes

Patric R.J. Östergård

Journal:

Discrete Mathematics

Year:

2000

Language:

english

File:

PDF, 87 KB

english, 2000

11

An improved upper bound for the football pool problem for nine matches

Franco Di Pasquale, Patric R.J Östergård

Journal:

Journal of Combinatorial Theory, Series A

Year:

2003

Language:

english

File:

PDF, 88 KB

english, 2003

12

Enumeration of balanced ternary designs

Petteri Kaski, Patric R.J Östergård

Journal:

Discrete Applied Mathematics

Year:

2004

Language:

english

File:

PDF, 206 KB

english, 2004

13

New Results on Codes with Covering Radius 1 and Minimum Distance 2

Patric R. J. Östergård, Jörn Quistorff, Alfred Wassermann

Journal:

Designs, Codes and Cryptography

Year:

2005

Language:

english

File:

PDF, 118 KB

english, 2005

14

Steiner triple systems satisfying the 4-vertex condition

Petteri Kaski, Mahdad Khatirinejad, Patric R. J. Östergård

Journal:

Designs, Codes and Cryptography

Year:

2012

Language:

english

File:

PDF, 154 KB

english, 2012

15

New upper bounds for binary covering codes

Patric R.J. Östergård, Markku K. Kaikkonen

Journal:

Discrete Mathematics

Year:

1998

Language:

english

File:

PDF, 755 KB

english, 1998

16

Error-Correcting Codes over an Alphabet of Four Elements

Galina T. Bogdanova, Andries E. Brouwer, Stoian N. Kapralov, Patric R. J. Östergård

Journal:

Designs, Codes and Cryptography

Year:

2001

Language:

english

File:

PDF, 80 KB

english, 2001

17

The quaternary complex Hadamard matrices of orders 10, 12, and 14

Pekka H.J. Lampio, Ferenc Szöllősi, Patric R.J. Östergård

Journal:

Discrete Mathematics

Year:

2013

Language:

english

File:

PDF, 285 KB

english, 2013

18

Enumerating Perfect Matchings inn-Cubes

Patric R. J. Östergård, Ville H. Pettersson

Journal:

Year:

2013

Language:

english

File:

PDF, 323 KB

english, 2013

19

The Mendelsohn Triple Systems of Order 13

Khatirinejad, Mahdad, Östergård, Patric R. J., Popa, Alexandru

Journal:

Journal of Combinatorial Designs

Year:

2014

Language:

english

File:

PDF, 234 KB

english, 2014

20

Counting Hamiltonian cycles in bipartite graphs

Haanpää, Harri, Östergård, Patric R. J.

Journal:

Mathematics of Computation

Year:

2013

Language:

english

File:

PDF, 247 KB

english, 2013

21

On the Classification of MDS Codes

Kokkala, Janne I., Krotov, Denis S., Ostergard, Patric R. J.

Journal:

IEEE Transactions on Information Theory

Year:

2015

Language:

english

File:

PDF, 795 KB

english, 2015

22

Classification of Graeco-Latin Cubes

Kokkala, Janne I., Östergård, Patric R. J.

Journal:

Journal of Combinatorial Designs

Year:

2015

Language:

english

File:

PDF, 148 KB

english, 2015

23

There is no McLaughlin geometry

Östergård, Patric R.J., Soicher, Leonard H.

Journal:

Journal of Combinatorial Theory, Series A

Year:

2018

Language:

english

File:

PDF, 369 KB

english, 2018

24

New lower bounds on q-ary error-correcting codes

Laaksonen, Antti, Östergård, Patric R. J.

Journal:

Cryptography and Communications

Year:

2018

Language:

english

File:

PDF, 396 KB

english, 2018

25

Football Pools—A Game for Mathematicians

Hämäläinen, Heikki, Honkala, Iiro, Litsyn, Simon, Östergård, Patric

Journal:

American Mathematical Monthly

Year:

1995

Language:

english

File:

PDF, 806 KB

english, 1995

26

Football Pools—A Game for Mathematicians

Hämäläinen, Heikki, Honkala, Iiro, Litsyn, Simon, Östergård, Patric

Journal:

American Mathematical Monthly

Year:

1995

File:

PDF, 806 KB

1995

27

Constructing covering codes by tabu search

Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

1997

Language:

english

File:

PDF, 135 KB

english, 1997

28

New coverings of t-sets with (t + 1)-sets

Kari J. Nurmela, Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

1999

Language:

english

File:

PDF, 434 KB

english, 1999

29

Classification of binary covering codes

Patric R. J. Östergård, William D. Weakley

Journal:

Journal of Combinatorial Designs

Year:

2000

Language:

english

File:

PDF, 147 KB

english, 2000

30

There exists no (15,5,4) RBIBD

Petteri Kaski, Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

2001

Language:

english

File:

PDF, 94 KB

english, 2001

31

There exists no (15,5,4) RBIBD

Petteri Kaski, Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

2001

Language:

english

File:

PDF, 176 KB

english, 2001

32

An updated table of binary/ternary mixed covering codes

Riccardo Bertolo, Patric R. J. Östergård, William D. Weakley

Journal:

Journal of Combinatorial Designs

Year:

2004

Language:

english

File:

PDF, 161 KB

english, 2004

33

There exist non-isomorphic STS(19) with equivalent point codes

Petteri Kaski, Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

2004

Language:

english

File:

PDF, 109 KB

english, 2004

34

There exist Steiner triple systems of order 15 that do not occur in a perfect binary one-error-correcting code

Patric R. J. Östergård, Olli Pottonen

Journal:

Journal of Combinatorial Designs

Year:

2007

Language:

english

File:

PDF, 74 KB

english, 2007

35

There are exactly five biplanes with k = 11

Petteri Kaski, Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

2008

Language:

english

File:

PDF, 167 KB

english, 2008

36

There are 1,132,835,421,602,062,347 nonisomorphic one-factorizations of K14

Petteri Kaski, Patric R. J. Östergård

Journal:

Journal of Combinatorial Designs

Year:

2009

Language:

english

File:

PDF, 130 KB

english, 2009

37

A Coloring Problem in Hamming Spaces

Patric R.J. Östergård

Journal:

European Journal of Combinatorics

Year:

1997

Language:

english

File:

PDF, 219 KB

english, 1997

38

On Saturating Sets in Small Projective Geometries

Alexander A. Davydov, Patric R.J. Östergård

Journal:

European Journal of Combinatorics

Year:

2000

Language:

english

File:

PDF, 105 KB

english, 2000

39

Ternary Covering Codes Derived from BCH Codes

John C Cock, Patric R.J Östergård

Journal:

Journal of Combinatorial Theory, Series A

Year:

1997

Language:

english

File:

PDF, 250 KB

english, 1997

40

A tournament of order 14 with disjoint Banks and Slater sets

Patric R.J. Östergård, Vesa P. Vaskelainen

Journal:

Discrete Applied Mathematics

Year:

2010

Language:

english

File:

PDF, 290 KB

english, 2010

41

Miscellaneous classification results for 2-designs

Petteri Kaski, Patric R.J Östergård

Journal:

Discrete Mathematics

Year:

2004

Language:

english

File:

PDF, 225 KB

english, 2004

42

Binary optimal linear rate 1/2 codes

T.Aaron Gulliver, Patric R.J. Östergård

Journal:

Discrete Mathematics

Year:

2004

Language:

english

File:

PDF, 189 KB

english, 2004

43

Classification of the (0, 2)-graphs of valency 8

Andries E. Brouwer, Patric R.J. Östergård

Journal:

Discrete Mathematics

Year:

2009

Language:

english

File:

PDF, 763 KB

english, 2009

44

Nearly Kirkman triple systems of order 18 and Hanani triple systems of order 19

Charles J. Colbourn, Petteri Kaski, Patric R.J. Östergård, David A. Pike, Olli Pottonen

Journal:

Discrete Mathematics

Year:

2011

Language:

english

File:

PDF, 268 KB

english, 2011

45

There are exactly five biplanes with

Patric R.J. Östergard, Petteri Kaski

Journal:

Electronic Notes in Discrete Mathematics

Year:

2006

Language:

english

File:

PDF, 79 KB

english, 2006

46

The Steiner quadruple systems of order 16

Petteri Kaski, Patric R.J. Östergård, Olli Pottonen

Journal:

Journal of Combinatorial Theory, Series A

Year:

2006

Language:

english

File:

PDF, 99 KB

english, 2006

47

There exists no Steiner system

Patric R.J. Östergård, Olli Pottonen

Journal:

Journal of Combinatorial Theory, Series A

Year:

2008

Language:

english

File:

PDF, 127 KB

english, 2008

48

Classification of difference matrices over cyclic groups

Pekka H.J. Lampio, Patric R.J. Östergård

Journal:

Journal of Statistical Planning and Inference

Year:

2011

Language:

english

File:

PDF, 222 KB

english, 2011

49

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, p. 238, price €62,95.

Patric R. J. ÖstergÅrd

Journal:

Operations Research Letters

Year:

2008

Language:

english

File:

PDF, 43 KB

english, 2008

50

Bounds on codes over an alphabet of five elements

Galina T. Bogdanova, Patric R.J. Östergård

Journal:

Discrete Mathematics

Year:

2001

Language:

english

File:

PDF, 83 KB

english, 2001

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