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cs.GT2026
How language model agents reshape price competition
Martin Bichler, Philip Hierhager, Kassian Köck +1
Repeated Bertrand competition is a stringent benchmark for algorithmic pricing: in homogeneous-goods markets, standard learning procedures typically select the stage-game Nash outc…
cs.GT2026
The Complexity of Multiplayer Colonel Blotto Games with Player-Specific Values
Martin Bichler, Abheek Ghosh
We study equilibrium computation in discrete multiplayer Colonel Blotto games with player-specific battlefield values. In the two-player model with common battlefield values, equil…
cs.GT2026
Stability Beyond Minty: Numerical Lyapunov Certification for Equilibrium Learning in Bayesian Bertrand Competition
Martin Bichler, Jan-Sebastian Hoehener
Computing Bayesian Nash equilibria with continuous types and actions requires solving for strategy functions. Learning methods provide a flexible approach, but standard variational…