Karzel, Helmut
Karzel, Helmut
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Risultati 1 - 11 di 11 (tempo di esecuzione: 0.014 secondi).
A class of fibered loops related to general hyperbolic planes
2014 Pianta, Silvia; Karzel, Helmut; Pasotti, Stefano
Absolute planes with elliptic congruence
2012 Marchi, Mario; Bonenti, Francesca; Karzel, Helmut
Three-reflection theorems in the hyperbolic plane
2009 Marchi, Mario; Pianta, Silvia; Karzel, Helmut
Bynary operations derived from symmetric permutation sets and applications to absolute geometry
2008 Karzel, Helmut; Pianta, Silvia
Legendre-like theorems in a general absolute geometry.
2007 Pianta, Silvia; Marchi, Mario; Karzel, Helmut
Polar graphs and corresponding involution sets, loops and Steiner triple systems
2006 Karzel, Helmut; Pianta, Silvia; Zizioli, Elena
From involution sets, graphs and loops to loop-nearrings
2005 Karzel, Helmut; Pianta, Silvia; Zizioli, Elena
Left loops, bipartite graphs with parallelism and bipartite involution sets
2005 Karzel, Helmut; Pianta, Silvia
Involution sets, graphs with parallelism and loops
2003 Pianta, Silvia; Karzel, Helmut; Zizioli, Elena
K-loops derived from Frobenius groups
2002 Pianta, Silvia; Karzel, Helmut; Zizioli, Elena
Loops, reflection structures and graphs with parallelism
2002 Pianta, Silvia; Karzel, Helmut; Zizioli, Elena
Data di pubblicazione | Titolo | Autore(i) | File |
---|---|---|---|
1-gen-2014 | A class of fibered loops related to general hyperbolic planes | Pianta, Silvia; Karzel, Helmut; Pasotti, Stefano | |
1-gen-2012 | Absolute planes with elliptic congruence | Marchi, Mario; Bonenti, Francesca; Karzel, Helmut | |
1-gen-2009 | Three-reflection theorems in the hyperbolic plane | Marchi, Mario; Pianta, Silvia; Karzel, Helmut | |
1-gen-2008 | Bynary operations derived from symmetric permutation sets and applications to absolute geometry | Karzel, Helmut; Pianta, Silvia | |
1-gen-2007 | Legendre-like theorems in a general absolute geometry. | Pianta, Silvia; Marchi, Mario; Karzel, Helmut | |
1-gen-2006 | Polar graphs and corresponding involution sets, loops and Steiner triple systems | Karzel, Helmut; Pianta, Silvia; Zizioli, Elena | |
1-gen-2005 | From involution sets, graphs and loops to loop-nearrings | Karzel, Helmut; Pianta, Silvia; Zizioli, Elena | |
1-gen-2005 | Left loops, bipartite graphs with parallelism and bipartite involution sets | Karzel, Helmut; Pianta, Silvia | |
1-gen-2003 | Involution sets, graphs with parallelism and loops | Pianta, Silvia; Karzel, Helmut; Zizioli, Elena | |
1-gen-2002 | K-loops derived from Frobenius groups | Pianta, Silvia; Karzel, Helmut; Zizioli, Elena | |
1-gen-2002 | Loops, reflection structures and graphs with parallelism | Pianta, Silvia; Karzel, Helmut; Zizioli, Elena |