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math.OC2026
Continuous-time multi-armed bandits under random intervention times
Kei Noba, José Luis Pérez, Kazutoshi Yamazaki +1
This paper examines multi-armed bandits with independent arms in which actions are taken at random discrete times. When an arm is operated, it must remain active for a renewal…
math.OC2026
Optimal Liquidation in a Defaultable Market
Daniel Hernández-Hernńdez, Harold A. Moreno-Franco, José-Luis Pérez
In this paper we address the problem of optimal liquidation of a large portfolio composed by securities exposed to default risk. The default time is described in terms of a Brownia…