the grid graph G m,n refers to the graph obtained by taking an m × n rectangular grid of streets (m ≤ n) with m north/south blocks and n east/west blocks. For example:
-Find the region-chromatic number for Gm,n (including the inﬁnite face).

Question

the grid graph G m,n refers to the graph obtained by taking an m × n rectangular grid of streets (m ≤ n) with m north/south blocks and n east/west blocks. For example: 
-Find the region-chromatic number for Gm,n (including the inﬁnite face).

Quizplus · Accepted Answer

The Answer of the grid graph G m,n refers to the graph obtained by taking an m × n rectangular grid of streets (m ≤ n) with m north/south blocks and n east/west blocks. For example: 
-Find the region-chromatic number for Gm,n (including the inﬁnite face).

The Grid Graph Gm,n Refers to the Graph Obtained by Taking

The Grid Graph G_m,n Refers to the Graph Obtained by Taking