8 citations · 45 across the 32 of their papers we have counts for
41 papers
Dynamic Debt Swapping in Financial Networks
Henri Froese, Martin Hoefer, Lisa Wilhelmi
A debt swap is an elementary edge swap in a directed, weighted graph, where two edges with the same weight swap their targets. Debt swaps are a natural and appealing operation in f…
Best of Both Worlds: Agents with Entitlements
Martin Hoefer, Marco Schmalhofer, Giovanna Varricchio
Fair division of indivisible goods is a central challenge in artificial intelligence. For many prominent fairness criteria including envy-freeness (EF) or proportionality (PROP), n…
Maximizing Nash Social Welfare in 2-Value Instances: Delineating Tractability
Hannaneh Akrami, Bhaskar Ray Chaudhury, Martin Hoefer +6
We study the problem of allocating a set of indivisible goods among a set of agents with \emph{2-value additive valuations}. In this setting, each good is valued either or $p/q…
Equilibria and Convergence in Fire Sale Games
Nils Bertschinger, Martin Hoefer, Simon Krogmann +3
The complex interactions between algorithmic trading agents can have a severe influence on the functioning of our economy, as witnessed by recent banking crises and trading anomali…
Seniorities and Minimal Clearing in Financial Network Games
Martin Hoefer, Lisa Wilhelmi
Financial network games model payment incentives in the context of networked liabilities. In this paper, we advance the understanding of incentives in financial networks in two imp…
Public Signals in Network Congestion Games
Svenja M. Griesbach, Martin Hoefer, Max Klimm +1
We consider a largely untapped potential for the improvement of traffic networks that is rooted in the inherent uncertainty of travel times. Travel times are subject to stochastic…