247 citations · 1.8k across the 152 of their papers we have counts for
4 papers · 1 filter
Abstracting Causal Models
Sander Beckers, Joseph Y. Halpern
We consider a sequence of successively more restrictive definitions of abstraction for causal models, starting with a notion introduced by Rubenstein et al. (2017) called exact tra…
Partial Awareness
Joseph Y. Halpern, Evan Piermont
We develop a modal logic to capture partial awareness. The logic has three building blocks: objects, properties, and concepts. Properties are unary predicates on objects; concepts…
Towards Formal Definitions of Blameworthiness, Intention, and Moral Responsibility
Joseph Y. Halpern, Max Kleiman-Weiner
We provide formal definitions of degree of blameworthiness and intention relative to an epistemic state (a probability over causal models and a utility function on outcomes). These…
Implementing Mediators with Asynchronous Cheap Talk
Ittai Abraham, Danny Dolev, Ivan Geffner +1
A mediator can help non-cooperative agents obtain an equilibrium that may otherwise not be possible. We study the ability of players to obtain the same equilibrium without a mediat…