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For questions related to the family of algorithms often denoted as best-first search algorithms. A* is an example of a best-first search algorithm.
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Why is the space-complexity of greedy best-first search is $\mathcal{O}(b^m)$?
I am reading through Artificial Intelligence: Modern Approach and it states that the space complexity of the GBFS (tree version) is $\mathcal{O}(b^m)$.
While I am reading, at some points, I found GBF …