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. Pavol Hell, Jaroslav Nešetřil, Universality of directed graphs of a given height
  6. Pavel Křivka, On representations of monoids as monoids of polynomials
  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. Václav Koubek, Graphs with given subgraphs represent all categories. II.

NotesEmbed ?


You must be logged in to post comments.

To embed these notes on your page include the following JavaScript code on your page where you want the notes to appear.

Only the controls for the widget will be shown in your chosen language. Notes will be shown in their authored language.

Tells the widget how many notes to show per page. You can cycle through additional notes using the next and previous controls.


Note: Best practice suggests putting the JavaScript code just before the closing </body> tag.