DescriptionPhylogenetic reconciliation exponential number of solutions.svg
English: With the cost assignment of 1 to D, 2 to T and 1 to L, the pattern presented has two possible most parsimonious solutions, using a transfer or a duplication and a loss, both with cost 2. So if we have a tree where the pattern appear multiple times the number of possible most parsimonious solutions tends to be exponential.
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An exponential number of scenarios might be most parsimonious, for example when two equivalent patterns have the same cost.
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author name string: Hugo Menet
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18 May 2021
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