The article discusses solving problems related to changing network parameters to make a specific point in the network the center. The researchers developed algorithms to modify tree structures efficiently, ensuring minimum cost. They found that by adjusting edge lengths within certain limits, they could achieve the desired center point without changing the overall network topology. The algorithms were able to handle different scenarios, such as when topology changes were allowed or when edge lengths needed to be balanced. Overall, the study presents a method to solve these complex problems on tree networks effectively.