Bernhard Schmidt

According to our database, Bernhard Schmidt authored at least 28 papers between 1992 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

On the nonexistence of semi-regular relative difference sets.

Ka Hin Leung, Bernhard Schmidt, Tao Zhang

J. Comb. Theory, Ser. A, 2023

2021

Constructions of Butson Hadamard matrices invariant under Abelian <i>p</i>-groups.

Bernhard Schmidt, Dai Quan Wong, Qing Xiang

J. Comb. Theory, Ser. A, 2021

2019

Nonexistence results on generalized bent functions Zqm→Zq with odd <i>m</i> and <i>q</i> ≡ 2 ( mod 4).

Ka Hin Leung, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2019

Bilinear forms on finite abelian groups and group-invariant Butson Hadamard matrices.

Tai Do Duc, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2019

2018

Structure of group invariant weighing matrices of small weight.

Ka Hin Leung, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2018

2017

Unique differences in symmetric subsets of F P.

Tai Do Duc, Bernhard Schmidt

Comb., 2017

2016

The anti-field-descent method.

Ka Hin Leung, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2016

A survey of the multiplier conjecture.

Daniel M. Gordon, Bernhard Schmidt

Des. Codes Cryptogr., 2016

2014

A multiplier theorem.

Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2014

Construction of relative difference sets and Hadamard groups.

Bernhard Schmidt, Ming Ming Tan

Des. Codes Cryptogr., 2014

2013

Circulant weighing matrices whose order and weight are products of powers of 2 and 3.

Bernhard Schmidt, Ken W. Smith

J. Comb. Theory, Ser. A, 2013

2012

New restrictions on possible orders of circulant Hadamard matrices.

Ka Hin Leung, Bernhard Schmidt

Des. Codes Cryptogr., 2012

2011

Finiteness of circulant weighing matrices of fixed weight.

Ka Hin Leung, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2011

2010

On Lander's conjecture for difference sets whose order is a power of 2 or 3.

Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt

Des. Codes Cryptogr., 2010

2009

Uniqueness of some cyclic projective planes.

Yiwei Huang, Bernhard Schmidt

Des. Codes Cryptogr., 2009

2008

Proper partial geometries with Singer groups and pseudogeometric partial difference sets.

Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2008

2006

New Hadamard matrices of order 4<i>p</i>² obtained from Jacobi sums of order 16.

Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2006

2005

The Field Descent Method.

Ka Hin Leung, Bernhard Schmidt

Des. Codes Cryptogr., 2005

2002

Asymptotic Nonexistence of Difference Sets in Dihedral Groups.

Ka Hin Leung, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2002

Constructions of Relative Difference Sets with Classical Parameters and Circulant Weighing Matrices.

Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt

J. Comb. Theory, Ser. A, 2002

2001

Bijections Between Group Rings Preserving Character Sums.

Mariko Hagita, Bernhard Schmidt

Des. Codes Cryptogr., 2001

1999

Williamson Matrices and a Conjecture of Ito's.

Bernhard Schmidt

Des. Codes Cryptogr., 1999

1998

Nonexistence of a (783, 69, 6)-difference set.

Bernhard Schmidt

Discret. Math., 1998

1997

A Sharp Exponent Bound for McFarland Difference Sets withp=2.

Siu Lun Ma, Bernhard Schmidt

J. Comb. Theory, Ser. A, 1997

Difference Sets Corresponding to a Class of Symmetric Designs.

Siu Lun Ma, Bernhard Schmidt

Des. Codes Cryptogr., 1997

1995

The Structure of the Abelian Groups Containing McFarland Difference Sets.

Siu Lun Ma, Bernhard Schmidt

J. Comb. Theory, Ser. A, 1995

On (p^a, p, p^a, p^a-1)-Relative Difference Sets.

Siu Lun Ma, Bernhard Schmidt

Des. Codes Cryptogr., 1995

1992

Note on a Question by S. Bagchi and B. Bagchi.

Bernhard Schmidt

Des. Codes Cryptogr., 1992