| 2007 |
|---|
| 13 | EE | Sabine Giese,
Ralph-Hardo Schulz:
Divisible designs with dual translation group.
Des. Codes Cryptography 43(1): 41-45 (2007) |
| 2005 |
|---|
| 12 | EE | Sabine Giese,
Hans Havlicek,
Ralph-Hardo Schulz:
Some constructions of divisible designs from Laguerre geometries.
Discrete Mathematics 301(1): 74-82 (2005) |
| 2001 |
|---|
| 11 | EE | Ralph-Hardo Schulz:
Check Character Systems and Anti-symmetric Mappings.
Computational Discrete Mathematics 2001: 136-147 |
| 2000 |
|---|
| 10 | | Ralph-Hardo Schulz,
Antonino Giorgio Spera:
Automorphisms of Constant Weight Codes and of Divisible Designs.
Des. Codes Cryptography 20(1): 89-97 (2000) |
| 1999 |
|---|
| 9 | | Helmut Witten,
Irmgard Letzner,
Ralph-Hardo Schulz:
RSA & Co. in der Schule - Teil 3: Flußchiffren, perfekte Sicherheit und Zufall per Computer.
LOG IN 19(2): 50- (1999) |
| 1998 |
|---|
| 8 | EE | Ralph-Hardo Schulz,
Antonino Giorgio Spera:
Construction of Divisible Designs from Translation Planes.
Eur. J. Comb. 19(4): 479-486 (1998) |
| 7 | | Helmut Witten,
Irmgard Letzner,
Ralph-Hardo Schulz:
RSA & Co. in der Schule - Moderne Kryptologie, alte Mathematik, raffinierte Protokolle (Teil 1).
LOG IN 18(3/4): 57- (1998) |
| 6 | | Helmut Witten,
Irmgard Letzner,
Ralph-Hardo Schulz:
RSA & Co. in der Schule - Moderne Kryptologie, alte Mathematik, raffinierte Protokolle (Teil 2).
LOG IN 18(5): 31- (1998) |
| 1997 |
|---|
| 5 | | Claudia Broecker,
Ralph-Hardo Schulz,
Gernot Stroth:
Check Character Systems Using Chevalley Groups.
Des. Codes Cryptography 10(2): 137-143 (1997) |
| 1996 |
|---|
| 4 | EE | Ralph-Hardo Schulz:
Check Character Systems over Groups and Orthogonal latin Squares.
Appl. Algebra Eng. Commun. Comput. 7(2): 125-132 (1996) |
| 3 | | Ralph-Hardo Schulz:
Primfaktorzerlegung.
LOG IN 16(5/6): 22- (1996) |
| 1991 |
|---|
| 2 | EE | Ralph-Hardo Schulz:
A note on check character systems using Latin squares.
Discrete Mathematics 97(1-3): 371-375 (1991) |
| 1973 |
|---|
| 1 | | Ralph-Hardo Schulz:
On the Lines of Special Block Designs.
J. Comb. Theory, Ser. A 14(1): 102-112 (1973) |
