Brazil continues as one of the largest producers of beef, pork and chicken. In terms of fish production, the performance is lower than expected, presenting low insertion in the domestic and international markets. Since 2004, national aquaculture production (particularly Tilapia) has grown 14.2%...

Brazil continues as one of the largest producers of beef, pork and chicken. In terms of fish production, the performance is lower than expected, presenting low insertion in the domestic and international markets. Since 2004, national aquaculture production (particularly Tilapia) has grown 14.2%...

Bondy and Chvatal [7] introduced a general and unified approach to a variety of graph-theoretic problems. They defined the k-closure Ck(G), where k is a positive integer, of a graph G of order n as the graph obtained from G by recursively joining pairs of nonadjacent vertices a,b satisfying the...