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math.OC2026
Pairwise comparisons meet optimal transport theory
Matteo Brunelli, Silvia Lorenzini
In this paper, we reinterpret pairwise comparison theory through the lens of optimal transport. The main contribution is the connection established between pairwise comparison matr…
cs.AI2026
From Validator Selection to Portfolio Collection Optimization in Proof-of-Stake Blockchains
Jonas Gehrlein, Grzegorz Miebs, Matteo Brunelli +2
We consider a problem arising in proof-of-stake blockchain environments, where agents called nominators select validators - entities responsible for maintaining the blockchain's ph…