×

zbMATH — the first resource for mathematics

de Launey, Warwick

Compute Distance To:
Author ID: de-launey.warwick Recent zbMATH articles by "de Launey, Warwick"
Published as: De Launey, Warwick; de Launey, W.; de Launey, Warwick
Documents Indexed: 54 Publications since 1983, including 1 Book

Publications by Year

Citations contained in zbMATH Open

48 Publications have been cited 332 times in 183 Documents Cited by Year
Cocyclic development of designs. Zbl 0785.05019
Horadam, K. J.; de Launey, W.
23
1993
Algebraic design theory. Zbl 1235.05001
de Launey, Warwick; Flannery, Dane
22
2011
Difference matrices. Zbl 0858.05022
Colbourn, Charles J.; de Launey, Warwick
20
1996
Cocyclic Hadamard matrices and difference sets. Zbl 0956.05026
de Launey, Warwick; Flannery, D. L.; Horadam, K. J.
19
2000
A survey of generalized Hadamard matrices and difference matrices D(k,\(\lambda\) ;G) with large k. Zbl 0597.05016
de Launey, Warwick
17
1986
On the non-existence of generalized weighing matrices. Zbl 0538.05017
de Launey, Warwick
17
1984
A weak difference set construction for higher dimensional designs. Zbl 0838.05019
de Launey, W.; Horadam, K. J.
14
1993
Bhaskar Rao designs. Zbl 0845.05026
de Launey, Warwick
12
1996
Generation of cocyclic Hadamard matrices. Zbl 0838.05018
Horadam, K. J.; de Launey, W.
11
1995
On Bhaskar Rao designs of block size four. Zbl 0702.05019
de Launey, Warwick; Seberry, Jennifer
11
1984
A comment on the Hadamard conjecture. Zbl 0973.05011
de Launey, Warwick; Gordon, Daniel M.
9
2001
Cocyclic orthogonal designs and the asymptotic existence of cocyclic Hadamard matrices and maximal size relative difference sets with forbidden subgroup of size 2. Zbl 1001.05032
de Launey, Warwick; Smith, Michael J.
9
2001
Generalised Bhaskar Rao designs with block size 3 over \(Z_ 4\). Zbl 0565.05013
de Launey, Warwick; Sarvate, Dinesh G.; Seberry, Jennifer
9
1985
On cocyclic weighing matrices and the regular group actions of certain Paley matrices. Zbl 0961.05068
de Launey, Warwick; Stafford, Richard M.
8
2000
The strong Kronecker product. Zbl 0802.05019
de Launey, Warwick; Seberry, Jennifer
8
1994
Square GBRDs over non-Abelian groups. Zbl 0673.05014
de Launey, Warwick
8
1989
Unreal \(\mathrm{BH}(n,6)\)’s and Hadamard matrices. Zbl 1336.05021
Compton, B.; Craigen, R.; de Launey, W.
7
2016
Two-dimensional perfect quaternary arrays. Zbl 1016.94022
Arasu, K. T.; de Launey, Warwick
7
2001
On difference matrices, transversal designs, resolvable transversal designs and large sets of mutually orthogonal F-squares. Zbl 0659.05034
De Launey, Warwick
7
1987
On the non-existence of generalized Hadamard matrices. Zbl 0553.05024
de Launey, Warwick
7
1984
A Fourier-analytic approach to counting partial Hadamard matrices. Zbl 1225.05056
De Launey, Warwick; Levin, David A.
6
2010
Generalized Hadamard matrices which are developed modulo a group. Zbl 0762.05025
de Launey, Warwick
6
1992
Non-existence of certain GBRD’s. Zbl 0557.05029
de Launey, W.; Sarvate, D. G.
6
1984
Generalised Bhaskar Rao designs of block size four. Zbl 0544.05012
de Launey, Warwick; Seberry, Jennifer
6
1984
On the asymptotic existence of Hadamard matrices. Zbl 1219.05029
de Launey, Warwick
5
2009
On circulant complex Hadamard matrices. Zbl 1017.05030
Arasu, K. T.; de Launey, Warwick; Ma, S. L.
5
2002
On the asymptotic existence of partial complex Hadamard matrices and related combinatorial objects. Zbl 0961.05010
de Launey, Warwick
5
2000
On the construction of \(n\)-dimensional designs from 2-dimensional designs. Zbl 0758.05034
de Launey, Warwick
5
1990
GBRD’s: Some new constructions for difference matrices, generalized Hadamard matrices and balanced generalized weighing matrices. Zbl 0687.05011
de Launey, Warwick
5
1989
On the automorphisms of Paley’s type II Hadamard matrix. Zbl 1189.05037
de Launey, Warwick; Stafford, Richard M.
4
2008
Circulant \(GH(p^ 2;Z_ p)\) exist for all primes \(p\). Zbl 0770.05024
de Launey, Warwick
4
1992
On the density of the set of known Hadamard orders. Zbl 1198.94090
De Launey, Warwick; Gordon, Daniel M.
3
2010
\((1,-1)\)-matrices with near-extremal properties. Zbl 1231.05041
De Launey, Warwick; Levin, David A.
3
2009
Erratum to “Cocyclic development of designs”. Zbl 0785.05020
Horadam, K. J.; de Launey, W.
3
1994
Generalised Hadamard matrices whose rows and columns form a group. Zbl 0528.05010
de Launey, Warwick
3
1983
Short two-variable identities for finite groups. Zbl 1162.20021
Cargo, David P.; de Launey, Warwick; Liebeck, Martin W.; Stafford, Richard M.
2
2008
A remark on Plotkin’s bound. Zbl 1003.94044
de Launey, Warwick; Gordon, Daniel M.
2
2001
An asymptotic result on the existence of generalised Hadamard matrices. Zbl 0792.05033
de Launey, Warwick; Dawson, Jeremy E.
2
1994
A note on the construction of \(GH(4tq; EA(q))\) for \(t=1,2\). Zbl 0770.05023
de Launey, Warwick; Dawson, Jeremy E.
2
1992
A note on \(n\)-dimensional Hadamard matrices of order \(2^ t\) and Reed-Muller codes. Zbl 0727.05013
De Launey, Warwick
2
1991
Origami rings. Zbl 1290.11138
Buhler, Joe; Butler, Steve; de Launey, Warwick; Graham, Ron
1
2012
Generalized Hadamard matrices whose transposes are not generalized Hadamard matrices. Zbl 1209.05036
Craigen, R.; de Launey, W.
1
2009
An edge-minimization problem for regular polygons. Zbl 1217.05055
Buchholz, Ralph H.; De Launey, Warwick
1
2009
On the asymptotic existence of cocyclic Hadamard matrices. Zbl 1197.05021
de Launey, Warwick; Kharaghani, H.
1
2009
Automorphisms of higher-dimensional Hadamard matrices. Zbl 1182.05022
de Launey, Warwick; Stafford, Richard M.
1
2008
On a family of cocyclic Hadamard matrices. Zbl 1029.05025
de Launey, Warwick
1
2002
A product for twelve Hadamard matrices. Zbl 0784.05015
de Launey, Warwick
1
1993
Signing balanced incomplete block designs over the group of order two. Zbl 0764.05011
de Launey, Warwick
1
1992
Unreal \(\mathrm{BH}(n,6)\)’s and Hadamard matrices. Zbl 1336.05021
Compton, B.; Craigen, R.; de Launey, W.
7
2016
Origami rings. Zbl 1290.11138
Buhler, Joe; Butler, Steve; de Launey, Warwick; Graham, Ron
1
2012
Algebraic design theory. Zbl 1235.05001
de Launey, Warwick; Flannery, Dane
22
2011
A Fourier-analytic approach to counting partial Hadamard matrices. Zbl 1225.05056
De Launey, Warwick; Levin, David A.
6
2010
On the density of the set of known Hadamard orders. Zbl 1198.94090
De Launey, Warwick; Gordon, Daniel M.
3
2010
On the asymptotic existence of Hadamard matrices. Zbl 1219.05029
de Launey, Warwick
5
2009
\((1,-1)\)-matrices with near-extremal properties. Zbl 1231.05041
De Launey, Warwick; Levin, David A.
3
2009
Generalized Hadamard matrices whose transposes are not generalized Hadamard matrices. Zbl 1209.05036
Craigen, R.; de Launey, W.
1
2009
An edge-minimization problem for regular polygons. Zbl 1217.05055
Buchholz, Ralph H.; De Launey, Warwick
1
2009
On the asymptotic existence of cocyclic Hadamard matrices. Zbl 1197.05021
de Launey, Warwick; Kharaghani, H.
1
2009
On the automorphisms of Paley’s type II Hadamard matrix. Zbl 1189.05037
de Launey, Warwick; Stafford, Richard M.
4
2008
Short two-variable identities for finite groups. Zbl 1162.20021
Cargo, David P.; de Launey, Warwick; Liebeck, Martin W.; Stafford, Richard M.
2
2008
Automorphisms of higher-dimensional Hadamard matrices. Zbl 1182.05022
de Launey, Warwick; Stafford, Richard M.
1
2008
On circulant complex Hadamard matrices. Zbl 1017.05030
Arasu, K. T.; de Launey, Warwick; Ma, S. L.
5
2002
On a family of cocyclic Hadamard matrices. Zbl 1029.05025
de Launey, Warwick
1
2002
A comment on the Hadamard conjecture. Zbl 0973.05011
de Launey, Warwick; Gordon, Daniel M.
9
2001
Cocyclic orthogonal designs and the asymptotic existence of cocyclic Hadamard matrices and maximal size relative difference sets with forbidden subgroup of size 2. Zbl 1001.05032
de Launey, Warwick; Smith, Michael J.
9
2001
Two-dimensional perfect quaternary arrays. Zbl 1016.94022
Arasu, K. T.; de Launey, Warwick
7
2001
A remark on Plotkin’s bound. Zbl 1003.94044
de Launey, Warwick; Gordon, Daniel M.
2
2001
Cocyclic Hadamard matrices and difference sets. Zbl 0956.05026
de Launey, Warwick; Flannery, D. L.; Horadam, K. J.
19
2000
On cocyclic weighing matrices and the regular group actions of certain Paley matrices. Zbl 0961.05068
de Launey, Warwick; Stafford, Richard M.
8
2000
On the asymptotic existence of partial complex Hadamard matrices and related combinatorial objects. Zbl 0961.05010
de Launey, Warwick
5
2000
Difference matrices. Zbl 0858.05022
Colbourn, Charles J.; de Launey, Warwick
20
1996
Bhaskar Rao designs. Zbl 0845.05026
de Launey, Warwick
12
1996
Generation of cocyclic Hadamard matrices. Zbl 0838.05018
Horadam, K. J.; de Launey, W.
11
1995
The strong Kronecker product. Zbl 0802.05019
de Launey, Warwick; Seberry, Jennifer
8
1994
Erratum to “Cocyclic development of designs”. Zbl 0785.05020
Horadam, K. J.; de Launey, W.
3
1994
An asymptotic result on the existence of generalised Hadamard matrices. Zbl 0792.05033
de Launey, Warwick; Dawson, Jeremy E.
2
1994
Cocyclic development of designs. Zbl 0785.05019
Horadam, K. J.; de Launey, W.
23
1993
A weak difference set construction for higher dimensional designs. Zbl 0838.05019
de Launey, W.; Horadam, K. J.
14
1993
A product for twelve Hadamard matrices. Zbl 0784.05015
de Launey, Warwick
1
1993
Generalized Hadamard matrices which are developed modulo a group. Zbl 0762.05025
de Launey, Warwick
6
1992
Circulant \(GH(p^ 2;Z_ p)\) exist for all primes \(p\). Zbl 0770.05024
de Launey, Warwick
4
1992
A note on the construction of \(GH(4tq; EA(q))\) for \(t=1,2\). Zbl 0770.05023
de Launey, Warwick; Dawson, Jeremy E.
2
1992
Signing balanced incomplete block designs over the group of order two. Zbl 0764.05011
de Launey, Warwick
1
1992
A note on \(n\)-dimensional Hadamard matrices of order \(2^ t\) and Reed-Muller codes. Zbl 0727.05013
De Launey, Warwick
2
1991
On the construction of \(n\)-dimensional designs from 2-dimensional designs. Zbl 0758.05034
de Launey, Warwick
5
1990
Square GBRDs over non-Abelian groups. Zbl 0673.05014
de Launey, Warwick
8
1989
GBRD’s: Some new constructions for difference matrices, generalized Hadamard matrices and balanced generalized weighing matrices. Zbl 0687.05011
de Launey, Warwick
5
1989
On difference matrices, transversal designs, resolvable transversal designs and large sets of mutually orthogonal F-squares. Zbl 0659.05034
De Launey, Warwick
7
1987
A survey of generalized Hadamard matrices and difference matrices D(k,\(\lambda\) ;G) with large k. Zbl 0597.05016
de Launey, Warwick
17
1986
Generalised Bhaskar Rao designs with block size 3 over \(Z_ 4\). Zbl 0565.05013
de Launey, Warwick; Sarvate, Dinesh G.; Seberry, Jennifer
9
1985
On the non-existence of generalized weighing matrices. Zbl 0538.05017
de Launey, Warwick
17
1984
On Bhaskar Rao designs of block size four. Zbl 0702.05019
de Launey, Warwick; Seberry, Jennifer
11
1984
On the non-existence of generalized Hadamard matrices. Zbl 0553.05024
de Launey, Warwick
7
1984
Non-existence of certain GBRD’s. Zbl 0557.05029
de Launey, W.; Sarvate, D. G.
6
1984
Generalised Bhaskar Rao designs of block size four. Zbl 0544.05012
de Launey, Warwick; Seberry, Jennifer
6
1984
Generalised Hadamard matrices whose rows and columns form a group. Zbl 0528.05010
de Launey, Warwick
3
1983
all top 5

Cited by 216 Authors

20 de Launey, Warwick
14 Armario, José ándrés
11 Alvarez, Victor
10 Egan, Ronan
10 Frau, María Dolores
9 Flannery, Dane Laurence
9 Ge, Gennian
9 Ó Catháin, Padraig
8 Gudiel, Félix
8 Seberry, Jennifer R.
7 Abel, R. Julian R.
6 Combe, Diana
6 Horadam, Kathy J.
6 Palmer, William Douglas
6 Sarvate, Dinesh G.
5 Banica, Teodor
5 Greig, Malcolm
4 Falcón Ganfornina, Raúl Manuel
4 Güemes, Maria Belén
4 Hurd, Spencer P.
4 Kharaghani, Hadi
4 Nelson, Adrian M.
4 Stafford, Richard M.
3 Bailera, Iván
3 Barrera Acevedo, Santiago
3 Craigen, Robert
3 Crnković, Dean
3 Dietrich, Heiko
3 Jolly, Nathan
3 Jungnickel, Dieter
3 Ling, Alan Chi Hung
3 Nechita, Ion
3 Östergård, Patric R. J.
3 Osuna, Amparo
3 Real, Pedro
3 Rifà, Josep
3 Schlenker, Jean-Marc
3 Schmidt, Bernhard
3 Szöllősi, Ferenc
2 Arasu, Krishnasamy Thiru
2 Borges, Joaquim
2 Brock, Bradley W.
2 Chang, Yanxun
2 Chen, Yuqing
2 Ding, Cunsheng
2 Do Duc, Tai
2 Kazeev, Vladimir A.
2 Kunyavskiĭ, Boris Èmmanuilovich
2 Lam, Clement Wing Hong
2 Lampio, Pekka H. J.
2 Miao, Ying
2 Mukerjee, Rahul
2 Pott, Alexander
2 Suárez-Canedo, Emilio
2 Švob, Andrea
2 Tan, Mingming
2 Tonchev, Vladimir D.
2 Winterhof, Arne
2 Yin, Jianxing
1 Anderson, Ian
1 Bachmayr, Markus
1 Bandman, Tatiana M.
1 Bertaccini, Daniele
1 Bichon, Julien
1 Bluskov, Iliya
1 Bowler, Andrew
1 Brent, Richard Peirce
1 Brinkmann, Gunnar
1 Britz, Thomas
1 Bryant, Darryn E.
1 Burgess, Leonie Barbara
1 Butler, Steven Kay
1 Carlet, Claude
1 Cavenagh, Nicholas J.
1 Chan, Nigel H. N.
1 Chanson, Samuel T.
1 Chaudhry, Ghulam-Rasool
1 Chen, Yu Qing
1 Cichocki, Andrzej
1 Cohen, Myra B.
1 Colbourn, Charles J.
1 Constantine, Gregory M.
1 Costello, Kevin Patrick
1 Criado, Regino
1 Davis, James Avery
1 Dawson, Jeremy E.
1 Demaine, Erik D.
1 Dey, Aloke
1 Du, Beiliang
1 Duan, Lian
1 Durastante, Fabio
1 Dutkay, Dorin Ervin
1 Fan, Cuiling
1 Fei, Shaoming
1 Fender, Kai
1 Finizio, Norman J.
1 Flores, Julio
1 Fuji-Hara, Ryo
1 Fuji-Hara, Ryoh
1 Furino, Steven C.
...and 116 more Authors
all top 5

Cited in 56 Serials

29 Discrete Mathematics
18 Journal of Statistical Planning and Inference
17 Journal of Combinatorial Theory. Series A
13 Designs, Codes and Cryptography
11 Cryptography and Communications
9 Discrete Applied Mathematics
7 Linear Algebra and its Applications
7 Journal of Combinatorial Designs
6 Mathematics in Computer Science
3 European Journal of Combinatorics
3 Graphs and Combinatorics
2 Mathematics of Computation
2 The Annals of Statistics
2 Journal of Algebra
2 Journal of Pure and Applied Algebra
2 Theoretical Computer Science
2 Statistics & Probability Letters
2 Journal of Symbolic Computation
2 Applicable Algebra in Engineering, Communication and Computing
2 Journal of Algebraic Combinatorics
2 Annals of Combinatorics
1 Bulletin of the Australian Mathematical Society
1 Communications in Algebra
1 Computers & Mathematics with Applications
1 Communications in Mathematical Physics
1 Israel Journal of Mathematics
1 Chaos, Solitons and Fractals
1 Archiv der Mathematik
1 Journal of Computational and Applied Mathematics
1 Journal of Functional Analysis
1 Combinatorica
1 Journal of Complexity
1 Journal of the American Mathematical Society
1 Multidimensional Systems and Signal Processing
1 International Journal of Computational Geometry & Applications
1 International Journal of Algebra and Computation
1 Geometric and Functional Analysis. GAFA
1 Computational Mathematics and Mathematical Physics
1 Aequationes Mathematicae
1 The Australasian Journal of Combinatorics
1 Combinatorics, Probability and Computing
1 Annales Mathématiques Blaise Pascal
1 Advances in Applied Clifford Algebras
1 Finite Fields and their Applications
1 The Electronic Journal of Combinatorics
1 The Journal of Fourier Analysis and Applications
1 Séminaire Lotharingien de Combinatoire
1 Open Systems & Information Dynamics
1 Foundations of Computational Mathematics
1 Central European Journal of Mathematics
1 Quantum Information Processing
1 Journal of Algebra and its Applications
1 International Journal of Combinatorics
1 Science China. Mathematics
1 Special Matrices
1 Open Mathematics

Citations by Year