2

Varieties of Topological Geometries

Hansjoachim Groh
Journal:
Transactions of the American Mathematical Society
Year:
1993
Language:
english
File:
PDF, 1.31 MB
english, 1993
3

5627

Hansjoachim Groh and P. R. Chernoff
Journal:
American Mathematical Monthly
Year:
1969
Language:
english
File:
PDF, 188 KB
english, 1969
4

Moebius planes with locally euclidean circles are flat

Hansjoachim Groh
Journal:
Mathematische Annalen
Year:
1973
Language:
english
File:
PDF, 448 KB
english, 1973
5

Pasting ofR2-planes

Hansjoachim Groh
Journal:
Geometriae Dedicata
Year:
1981
Language:
english
File:
PDF, 1.45 MB
english, 1981
6

Geometric lattices with topology

Hansjoachim Groh
Journal:
Journal of Combinatorial Theory, Series A
Year:
1986
Language:
english
File:
PDF, 764 KB
english, 1986
7

Isomorphism types of arc planes

Hansjoachim Von Groh
Journal:
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
Year:
1982
Language:
english
File:
PDF, 766 KB
english, 1982
8

Laguerre and Minkowski planes produced by dilatations

Rafael Artzy, Hansjoachim Groh
Journal:
Journal of Geometry
Year:
1986
Language:
english
File:
PDF, 915 KB
english, 1986
9

R2-planes with point transitive 3-dimensional collineation group

Hansjoachim Groh
Journal:
Indagationes Mathematicae (Proceedings)
Year:
1982
Language:
english
File:
PDF, 519 KB
english, 1982
10

3-Ovals in Moebius planes

Hansjoachim Groh, Werner Heise
Journal:
Geometriae Dedicata
Year:
1973
Language:
english
File:
PDF, 385 KB
english, 1973
11

1-Dimensional orbits in flat projective planes

Hansjoachim Groh
Journal:
Mathematische Zeitschrift
Year:
1971
Language:
english
File:
PDF, 457 KB
english, 1971
12

Flat Moebius planes

Hansjoachim Groh
Journal:
Geometriae Dedicata
Year:
1972
Language:
english
File:
PDF, 1.01 MB
english, 1972
14

Point homogeneous flat affine planes

Hansjoachim Groh
Journal:
Journal of Geometry
Year:
1976
Language:
english
File:
PDF, 690 KB
english, 1976
15

Topologische Laguerreebenen II

Hansjoachim Groh
Journal:
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
Year:
1969
Language:
german
File:
PDF, 593 KB
german, 1969
16

On flat Laguerre planes

Hansjoachim Groh
Journal:
Journal of Geometry
Year:
1971
Language:
english
File:
PDF, 770 KB
english, 1971
17

Laguerre planes generated by Moebius planes

Hansjoachim Groh
Journal:
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
Year:
1974
Language:
english
File:
PDF, 1.09 MB
english, 1974
18

Characterization of ovoidal Laguerre planes

Hansjoachim Groh
Journal:
Archiv der Mathematik
Year:
1969
Language:
english
File:
PDF, 317 KB
english, 1969
19

Flat Moebius and Laguerre planes

Hansjoachim Groh
Journal:
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
Year:
1974
Language:
english
File:
PDF, 672 KB
english, 1974
20

Topologische Laguerreebenen 1

Hansjoachim Groh
Journal:
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
Year:
1968
Language:
german
File:
PDF, 941 KB
german, 1968
21

Embedding geometric lattices with topology

Hansjoachim Groh
Journal:
Journal of Combinatorial Theory, Series A
Year:
1986
Language:
english
File:
PDF, 557 KB
english, 1986