Zvonimir Janko

According to our database, Zvonimir Janko authored at least 17 papers between 1980 and 2002.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2002

A Block Negacyclic Bush-Type Hadamard Matrix and Two Strongly Regular Graphs.

Zvonimir Janko, Hadi Kharaghani

J. Comb. Theory A, 2002

2001

The Existence of a Bush-type Hadamard Matrix of Order 36 and Two New Infinite Classes of Symmetric Designs.

Zvonimir Janko

J. Comb. Theory A, 2001

The Existence of a Bush-Type Hadamard Matrix of Order 324 and Two New Infinite Classes of Symmetric Designs.

Zvonimir Janko, Hadi Kharaghani, Vladimir D. Tonchev

Des. Codes Cryptogr., 2001

1998

New Designs with Block Size 7.

Zvonimir Janko, Vladimir D. Tonchev

J. Comb. Theory A, 1998

1997

The Existence of Symmetric Designs with Parameters (189, 48, 12).

Zvonimir Janko

J. Comb. Theory A, 1997

1995

On Symmetric Designs with Parameters (176, 50, 14).

Zvonimir Janko

J. Comb. Theory A, 1995

1991

Cyclic 2-(91, 6, 1) designs with multiplier automorphisms.

Zvonimir Janko, Vladimir D. Tonchev

Discret. Math., 1991

1986

Answers to two questions about semi-symmetric designs.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1986

A new biplane of order 9 with a small automorphism group.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1986

1985

Construction of a New Symmetric Block Design for (78, 22, 6) with the Help of Tactical Decompositions.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1985

Construction of two symmetric block designs for (71, 21, 6).

Zvonimir Janko, Tran van Trung

Discret. Math., 1985

1984

Answers on Two Questions about Semi-symmetric Designs.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1984

1982

Projective Planes of Order 12 Do Not Have a Four Group as a Collineation Group.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1982

A Generalization of a Result of L. Baumert and M. Hall About Projective Planes of Order 12.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1982

Two New Semibiplanes.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1982

The Classification of Projective Planes of Order 9 Which Possess an Involution.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1982

1980

On Projective Planes of Order 12 Which Have a Subplane of Order 3, I.

Zvonimir Janko, Tran van Trung

J. Comb. Theory A, 1980