Question
What is a Necessary Winner in social choice theory?
Given a profile of partial ballots R ∈ $$\mathcal{P}(X)^n$$ , an alternative x* ∈ X is called a necessary winner under voting rule F if x* ∈ F ( R* ) for all profiles of linear ballots R* ∈ $$\mathcal{L}(X)^n$$ that refine R .

Question
What is a Necessary Winner in social choice theory?
?

Question
What is a Necessary Winner in social choice theory?
Given a profile of partial ballots R ∈ $$\mathcal{P}(X)^n$$ , an alternative x* ∈ X is called a necessary winner under voting rule F if x* ∈ F ( R* ) for all profiles of linear ballots R* ∈ $$\mathcal{L}(X)^n$$ that refine R .
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owner: rappatoni - (no access) - comsoc-infocom-2017.pdf, p4

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