Strategic manipulation in judgment aggregation under higher-level reasoning

International audienc

La vida victoriosa y el final desencantado del gran conquistador macedonio Alejandro Magno y del caballero novelesco Tirant lo Blanc

El objetivo de este artículo no es analizar los pormenores de la vida de Tirant lo Blanc, personaje literario de la época del Siglo de Oro valenciano, y de Alejandro Magno, rey de Macedonia, persona histórica real de la Antigua Grecia; sino exponer los rasgos comunes que presenta la vida y, sobre todo, el final temprano, amargo e inesperado de dos grandes guerreros y estrategas militares.The aim of this article is not to analyze the details of the life of Tirant lo Blanc, a literary figure from the Valencian Golden Age, and Alexander the Great, King of Macedonia, a real historical person of Ancient Greece; but to expose the common features that life presents and, above all, the early, bitter and unexpected end of two great warriors and military strategists

Violencia conyugal y víctimas de la guerra : la valenciana Beatriz Martí y la troyana Andrómaca de Eurípides

Resumen: En este trabajo se desarrolla el tema de la violencia de la mujer en la Antigua Grecia y en la Corona de Aragón a finales de la Edad Media. Concretamente, los casos que se analizan tienen que ver, por una parte, con la violencia cometida contra la princesa de Troya, Andrómaca, la cual tras el saqueo y la caída de su patria se ha convertido en una cautiva de guerra, en una concubina de la familia que mató a su esposo e hijo; y, por la otra, con la violencia marital de la valenciana Beatriz Martí. Ambas mujeres, a pesar de los siglos que les separan, sufren injusticias y dolor, pero, también cuentan con una persona que les presta su ayuda y protección: en el caso de Andrómaca es Peleo, el abuelo de su actual amo; y, en el caso de Beatriz, la reina María de Aragón. Palabras clave: mujer, violencia, protección, maltrato, defensa This paper develops the issue of violence against women in Ancient Greece and in the Crown of Aragon in the Late Middle Ages. Specifically, the cases analyzed have to do, on the one hand, with the violence committed against the Princess of Troy, Andromache, who, after the looting and fall of her homeland, has become a war captive, a concubine of the family that killed her husband and son; and, on the other, the case of the marital violence of the Valencian Beatriz Martí. Both women, despite the centuries that separate them, suffer injustices and pain, but they also have a person who helps and protects them: in the case of Andromache it is Peleus, the grandfather of its current owner; and, in the case of Beatriz, Queen Maria of Aragon.Keywords: woman, violence, protection, abuse, defens

Egalitarian Judgment Aggregation

Egalitarian considerations play a central role in many areas of social choice theory. Applications of egalitarian principles range from ensuring everyone gets an equal share of a cake when deciding how to divide it, to guaranteeing balance with respect to gender or ethnicity in committee elections. Yet, the egalitarian approach has received little attention in judgment aggregation -- a powerful framework for aggregating logically interconnected issues. We make the first steps towards filling that gap. We introduce axioms capturing two classical interpretations of egalitarianism in judgment aggregation and situate these within the context of existing axioms in the pertinent framework of belief merging. We then explore the relationship between these axioms and several notions of strategyproofness from social choice theory at large. Finally, a novel egalitarian judgment aggregation rule stems from our analysis; we present complexity results concerning both outcome determination and strategic manipulation for that rule.Comment: Extended version of paper in proceedings of the 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS), 202