Title:
|
A combinatorial approach to the known projective planes of order nine (English) |
Author:
|
Knoflíček, František |
Language:
|
English |
Journal:
|
Mathematica Bohemica |
ISSN:
|
0862-7959 (print) |
ISSN:
|
2464-7136 (online) |
Volume:
|
120 |
Issue:
|
4 |
Year:
|
1995 |
Pages:
|
347-366 |
Summary lang:
|
English |
. |
Category:
|
math |
. |
Summary:
|
A combinatorial characterization of finite projective planes using strongly canonical forms of incidence matrices is presented. The corresponding constructions are applied to known projective planes of order 9. As a result a new description of the Hughes plane of order nine is obtained. (English) |
Keyword:
|
ternary |
Keyword:
|
projective plane |
Keyword:
|
incidence matrix |
Keyword:
|
finite projective plane |
Keyword:
|
ternary ring |
Keyword:
|
system of orthogonal Latin squares |
Keyword:
|
Hall plane of order 9 |
Keyword:
|
Hughes plane of order 9 |
MSC:
|
05B25 |
MSC:
|
51E15 |
idZBL:
|
Zbl 0847.51005 |
idMR:
|
MR1415083 |
DOI:
|
10.21136/MB.1995.126096 |
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Date available:
|
2009-09-24T21:12:50Z |
Last updated:
|
2020-07-29 |
Stable URL:
|
http://hdl.handle.net/10338.dmlcz/126096 |
. |
Reference:
|
[1] Hughes D.R., Piper F.C.: Projective Planes.New York-Heidelberg-Berlin, 1973. Zbl 0267.50018, MR 0333959 |
Reference:
|
[2] Pickert G.: Projektive Eben.Berlin-Göttingen-Heidelberg, 1955. |
Reference:
|
[3] Stevenson F. W.: Projective Planes.San Francisco, 1972. Zbl 0245.50022, MR 0344995 |
Reference:
|
[4] Paige L. J., Wexler, Ch.: A canonical form for incidence matrices of finite projective planes and their associated Latin squares.Portugaliae Mathematica 12 (1953), 105-112. Zbl 0053.10802, MR 0060448 |
Reference:
|
[5] Hall M.: Projective Planes.Trans. Amer. Math. Soc. 54 (1943), 229-277. Zbl 0060.32209, MR 0008892, 10.1090/S0002-9947-1943-0008892-4 |
Reference:
|
[6] Room T.G., Kirkpatrick P.B.: Miniquaternion Geometry.Cambridge, 1971. Zbl 0203.22801 |
Reference:
|
[7] Dénes J., Keedwell A.D.: Latin squares and their applications.Budapest, 1974. MR 0351850 |
Reference:
|
[8] Veblen O., Wedderburn J. H. M.: Non-Desargusian and non-Pascalian geometries.Trans. AMS 8 (1907), 379-388. MR 1500792, 10.1090/S0002-9947-1907-1500792-1 |
Reference:
|
[9] Knoflíček F.: On one construction of all quasifields of order 9.Comm. Math. Univ. Carolinae 27 (1986), 683-694. MR 0874662 |
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