4-Connexity : [4-Connexité]






Jean-François COLONNA

www.lactamme.polytechnique.fr

jean-francois.colonna@polytechnique.edu
CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641, Ecole Polytechnique, CNRS, 91128 Palaiseau Cedex, France

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Here is an arbitrary 5x5 square lattice :


         
    North    
  West X East  
    South    
         



With the so-called 4-connexity, the X site has 4 neighbours : {East,North,West,South}.


[See the definition of the so-called 8-connexity]


Copyright © Jean-François Colonna, 2021-2021.
Copyright © CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641 / Ecole Polytechnique, 2021-2021.