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Two labeled trees are isomorphic if ____________
  • a)
    graphs of the two trees are isomorphic
  • b)
    the two trees have same label
  • c)
    graphs of the two trees are isomorphic and the two trees have the same label
  • d)
    graphs of the two trees are cyclic
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Two labeled trees are isomorphic if ____________a)graphs of the two tr...
Isomorphism in Labeled Trees

Labeled trees are trees in which each node is assigned a label or a value. Two labeled trees are isomorphic if they have the same structure and the same labels on the nodes. In other words, they are identical except for the labels assigned to the nodes.

Graph Isomorphism

Graph isomorphism is a concept in graph theory that describes when two graphs are structurally identical. A graph is a collection of vertices or nodes and edges that connect them. If two graphs have the same number of vertices and edges, and the edges connect the vertices in the same way, then they are isomorphic.

Isomorphism in Labeled Trees and Graphs

Labeled trees can be represented as graphs, where the nodes of the tree become vertices of the graph, and the edges of the tree become edges of the graph. Therefore, if two labeled trees are isomorphic, then their corresponding graphs are also isomorphic.

Answer Explanation

Option C is the correct answer because it includes both the conditions for isomorphism in labeled trees and graphs. Two labeled trees are isomorphic if their corresponding graphs are isomorphic and they have the same labels on the nodes. Therefore, option C combines both the necessary conditions for isomorphism in labeled trees and graphs, making it the correct choice.

Conclusion

In conclusion, isomorphism in labeled trees and graphs is a concept that requires both a structural match and identical node labels. Option C in this question combines both of these conditions, making it the correct answer.
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Community Answer
Two labeled trees are isomorphic if ____________a)graphs of the two tr...
The number of labeled trees of k number of vertices is kn-2. Two labeled trees are isomorphic if their graphs are isomorphic and the corresponding points of the two trees have the same labels.
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