A graph G with a cellular embedding on a surface S has a well-defined geometric dual G*, and both G and G* can be drawn on S in a nice way so that the vertices/faces of G* correspond to the ...
Cuireadh roinnt torthaí i bhfolach toisc go bhféadfadh siad a bheith dorochtana duit
Taispeáin torthaí dorochtana
Aiseolas