| Title:
|
Universality property of free groupoid extensions of halfgroupoids and its geometrical meaning (English) |
| Author:
|
Havel, Václav |
| Language:
|
English |
| Journal:
|
Czechoslovak Mathematical Journal |
| ISSN:
|
0011-4642 (print) |
| ISSN:
|
1572-9141 (online) |
| Volume:
|
25 |
| Issue:
|
4 |
| Year:
|
1975 |
| Pages:
|
562-567 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| MSC:
|
20L05 |
| idZBL:
|
Zbl 0327.20022 |
| idMR:
|
MR0412304 |
| DOI:
|
10.21136/CMJ.1975.101352 |
| . |
| Date available:
|
2008-06-09T14:14:58Z |
| Last updated:
|
2020-07-28 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/101352 |
| . |
| Reference:
|
[1] G. E. Bates: Free loops and nets and its generalizations.Amer. Journ. Math. 69 (1947), 499-550. MR 0021001, 10.2307/2371882 |
| Reference:
|
[2] R. H. Bruck: A survey of binary systems.Berlin-Göttingen-Heidelberg 1958. Zbl 0081.01704, MR 0093552 |
| Reference:
|
[3] T. Evans: Homomorphisms of non-associative systems.Journ. London Math. Soc. 24 (1949), 254-260. MR 0032664, 10.1112/jlms/s1-24.4.254 |
| Reference:
|
[4] W. Peremans. : Abstract algebraic systems.Rapport ZW 1949-003 of Math. Centrum Amsterdam, 12 pp.; Math. Rev. 16, 897. MR 0031473 |
| Reference:
|
[5] K. Pickert: Projektive Ebenen.Berlin-Göttingen-Heidelberg 1955. Zbl 0066.38707 |
| . |
