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Viewing Publication 1 - 28 from 28

2016

Unreal BH(n, 6)'s and Hadamard matricesB. Compton, Robert Craigen, Warwick de Launey. dcc, 79(2):219-229, 2016. [doi]

2010

A Fourier-analytic approach to counting partial Hadamard matricesWarwick de Launey, David A. Levin. ccds, 2(2):307-334, 2010. [doi]

On the density of the set of known Hadamard ordersWarwick de Launey, Daniel M. Gordon. ccds, 2(2):233-246, 2010. [doi]

2009

An Edge-Minimization Problem for Regular PolygonsRalph H. Buchholz, Warwick de Launey. combinatorics, 16(1), 2009. [doi]

On the asymptotic existence of Hadamard matricesWarwick de Launey. JCT, 116(4):1002-1008, 2009. [doi]

(1, -1)-Matrices with Near-Extremal PropertiesWarwick de Launey, David A. Levin. siamdm, 23(3):1422-1440, 2009. [doi]

On the asymptotic existence of cocyclic Hadamard matricesWarwick de Launey, Hadi Kharaghani. JCT, 116(6):1140-1153, 2009. [doi]

2008

Combinatorial Designs: A tribute to Jennifer Seberry on her 60th BirthdayWarwick de Launey. DM, 308(13):2655-2656, 2008. [doi]

On the automorphisms of Paley s type II Hadamard matrixWarwick de Launey, Richard M. Stafford. DM, 308(13):2910-2924, 2008. [doi]

On the range of influences in back-circulant Latin squaresAbdollah Khodkar, Warwick de Launey. DM, 308(13):2896-2900, 2008. [doi]

2002

On Circulant Complex Hadamard MatricesK. T. Arasu, Warwick de Launey, Siu Lun Ma. dcc, 25(2):123-142, 2002.

2001

Two-dimensional perfect quaternary arraysK. T. Arasu, Warwick de Launey. TIT, 47(4):1482-1493, 2001.

Cocyclic Orthogonal Designs and the Asymptotic Existence of Cocyclic Hadamard Matrices and Maximal Size Relative Difference Sets with Forbidden Subgroup of Size 2Warwick de Launey, Michael J. Smith. JCT, 93(1):37-92, 2001. [doi]

A remark on Plotkin s boundWarwick de Launey, Daniel M. Gordon. TIT, 47(1):352-355, 2001.

A Comment on the Hadamard ConjectureWarwick de Launey, Daniel M. Gordon. JCT, 95(1):180-184, 2001. [doi]

2000

On the asymptotic existence of partial complex Hadamard matrices and related combinatorial objectsWarwick de Launey. DAM, 102(1-2):37-45, 2000.

On cocyclic weighing matrices and the regular group actions of certain paley matricesWarwick de Launey, Richard M. Stafford. DAM, 102(1-2):63-101, 2000.

Cocyclic Hadamard matrices and difference setsWarwick de Launey, D. L. Flannery, Kathy J. Horadam. DAM, 102(1-2):47-61, 2000.

1994

The Strong Kronecker ProductWarwick de Launey, Jennifer Seberry. JCT, 66(2):192-213, 1994.

An Asymptotic Result on the Existence of Generalised Hadamard MatricesWarwick de Launey, Jeremy E. Dawson. JCT, 65(1):158-163, 1994.

1993

A Weak Difference Set Construction for Higher Dimensional DesignsWarwick de Launey, Kathy J. Horadam. dcc, 3(1):75-87, 1993.

A product for twelve Hadamard matricesWarwick de Launey. ajc, 7:123-128, 1993. [doi]

1992

Generalised Hadamard matrices which are developed modulo a groupWarwick de Launey. DM, 104(1):49-65, 1992. [doi]

pWarwick de Launey. gc, 8(4):317-321, 1992. [doi]

A note on the construction of GH(4tq, EA(q)) for t=1, 2Warwick de Launey, Jeremy E. Dawson. ajc, 6:177-186, 1992. [doi]

1991

A note on N -dimensional Hadamard matrices of order 2t and Reed-Muller codesWarwick de Launey. TIT, 37(3):664, 1991.

1990

On the construction of n-dimensional designs from 2-dimensional designsWarwick de Launey. ajc, 1:67-82, 1990. [doi]

1989

GBRD's: Some new constructions for difference matrices, generalised hadamard matrices and balanced generalised weighing matricesWarwick de Launey. gc, 5(1):125-135, 1989. [doi]

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