André Casajus

dblp:16/11283 · DBLP profile ↗
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4ranked-venue papers
4as first author
4since 2021 · last 2026
0000-0003-2650-2650ORCID · corroborated

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Theory of computation · 4 · 4 first-author · 4 since 2021
YearPublicationVenuePosition
2026 Related characterizations of the Shapley value and the weighted Shapley values via relaxations of differential marginality
abstract
Casajus (2018) [7] provides a characterization of the class of positively weighted Shapley values for finite games from an infinite universe of players via three properties: efficiency, the null player out property, and superweak differential marginality. The latter requires two players’ payoffs to change in the same direction whenever only their joint productivity changes, that is, their individual productivities stay the same. Strengthening this property into (weak) differential marginality yields a characterization of the Shapley value. We suggest a relaxation of superweak differential marginality into two subproperties: (i) hyperweak differential marginality and (ii) superweak differential marginality for infinite subdomains. The former (i) only rules out changes in the opposite direction. The latter (ii) requires changes in the same direction for players within certain infinite subuniverses. Together with efficiency and the null player out property, these properties characterize the class of weighted Shapley values.
André Casajus
Discret. Appl. Math.1
2021 Extension operators for TU games and the Lovász extension
André Casajus
Discret. Appl. Math.1
2021 Second-order productivity, second-order payoffs, and the Shapley value
André Casajus
Discret. Appl. Math.1
2021 The dual Lovász extension operator and the Shapley extension operator for TU games
André Casajus, Michael Kramm
Discret. Appl. Math.1