Displaying similar documents to “Signed words and permutations. III: The MacMahon Verfahren.”

Permutations preserving sums of rearranged real series

Roman Wituła (2013)

Open Mathematics

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The aim of this paper is to discuss one of the most interesting and unsolved problems of the real series theory: rearrangements that preserve sums of series. Certain hypothesis about combinatorial description of the corresponding permutations is presented and basic algebraic properties of the family 𝔖 0 , introduced by it, are investigated.