Abstract
Abstract. The literature on infinite Chichilnisky rules considers two forms of anonymity: a weak and a strong. This note introduces a third form: bounded anonymity. It allows us to prove an infinite analogue of the “Chichilnisky- Heal-resolution” close to the original theorem: a compact parafinite CW- complex X admits a bounded anonymous infinite rule if and only if X is contractible.
Furthermore, bounded anonymity is shown to be compatible with the finite and the [0, l]-continuum version of anonymity and allows the construction of convex means in infinite populations. With X = [0,1], the set of linear bounded anonymous rules coincides with the set of medial limits.
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Lauwers, L. (1997). Topological aggregation, the case of an infinite population. In: Heal, G.M. (eds) Topological Social Choice. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60891-9_11
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