Vertex cover

Mistake of row-column number in the drawing number of 1∶1000000

recombination of the number of grain and the number of panicle

10 vertex close heteroboranes

12-Vertex

14-Vertex

3D tracking trajectory of head vertex

accessible vertex

adjacent vertex

adjacent vertex distinguishable VE-total chromatic

adjacent vertex distinguishable VE-total coloring

adjacent vertex distinguishing incidence coloring

adjacent vertex distinguishing total chromatic num

adjacent vertex distinguishing total chromatic number

adjacent vertex distinguishing total coloring

adjacent vertex strongly distinguishing total coloring

angular vertex

control vertex

Crossing flap over the vertex

Crossing scalp flap over the vertex