Symmetric Relations (Undirected Graphs) with Given Semigroups.

Z. Hedrlin; A. Pultr

Monatshefte für Mathematik (1965)

  • Volume: 69, page 318-322
  • ISSN: 0026-9255; 1436-5081/e

How to cite


Hedrlin, Z., and Pultr, A.. "Symmetric Relations (Undirected Graphs) with Given Semigroups.." Monatshefte für Mathematik 69 (1965): 318-322. <>.

author = {Hedrlin, Z., Pultr, A.},
journal = {Monatshefte für Mathematik},
keywords = {generalized groups, semigroups},
pages = {318-322},
title = {Symmetric Relations (Undirected Graphs) with Given Semigroups.},
url = {},
volume = {69},
year = {1965},

AU - Hedrlin, Z.
AU - Pultr, A.
TI - Symmetric Relations (Undirected Graphs) with Given Semigroups.
JO - Monatshefte für Mathematik
PY - 1965
VL - 69
SP - 318
EP - 322
KW - generalized groups, semigroups
UR -
ER -

Citations in EuDML Documents

  1. Jaroslav Nešetřil, Every group is a maximal subgroup of the semigroup of relations
  2. Tomáš Wichs, On minimal semirigid relations
  3. Václav Koubek, Vojtěch Rödl, Note on the number of monoids of order n
  4. Jaroslav Nešetřil, Infinite precise objects
  5. Pavel Křivka, On representations of monoids as monoids of polynomials
  6. Pavol Hell, Jaroslav Nešetřil, Universality of directed graphs of a given height
  7. Petr Vopěnka, Aleš Pultr, Zdeněk Hedrlín, A rigid relation exists on any set
  8. Václav Koubek, Graphs with given subgraphs represent all categories
  9. Aleš Pultr, On full embeddings of concrete categories with respect to forgetful functors
  10. Jiří Adámek, Horst Herrlich, George E. Strecker, Least and largest initial completions. II.

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