Results 41 to 50 of about 161 (92)

A note on bandits with a twist

open access: yes, 2004
. A variant of the multi-armed bandit problem was recently introduced by Dimitriu, Tetali and Winkler. For this model (and a mild generalization) we propose faster algorithms to compute the Gittins index.
Jay Sethuraman, Akshay-kumar Katta
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Ergodic Mean-Field Games of Singular Control with Regime-Switching (extended version)

open access: yes, 2023
Dianetti J, Ferrari G, Tzouanas I. Ergodic Mean-Field Games of Singular Control with Regime-Switching (extended version). Center for Mathematical Economics Working Papers. Vol 681.
Tzouanas, Ioannis   +2 more
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Irreversible Reinsurance: Minimization of Capital Injections in Presence of a Fixed Cost

open access: yes, 2023
Federico S, Ferrari G, Torrente ML. Irreversible Reinsurance: Minimization of Capital Injections in Presence of a Fixed Cost. Center for Mathematical Economics Working Papers. Vol 682. Bielefeld: Center for Mathematical Economics; 2023.We propose a model
Ferrari, Giorgio   +2 more
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Goodness-of-fit tests for compound distributions with applications in insurance

open access: yes, 2019
Goodness-of-fit procedures are provided to test the validity of compound models for the total claims, involving specific laws for the constituent components, namely the claim frequency distribution and the distribution of individual claim sizes.
Goffard, Pierre-Olivier   +2 more
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A Barrier Option Of American Type

open access: yes, 1998
We obtain closed--form expressions for the prices and optimal hedging strategies of American put--options in the presence of an "up--and--out" barrier, both with and without constraints on the short--selling of stock. The constrained case leads
Hui Wang, Ioannis Karatzas
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Extension of Fill's perfect rejection sampling algorithm to general chains (Extended Abstract)

open access: yes, 1999
. We provide an extension of the perfect sampling algorithm of Fill (1998) to general chains, and describe how use of bounding processes can ease computational burden. Along the way, we unearth a simple connection between the Coupling From The Past (CFTP)
Motoya Machida   +3 more
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A Note on Bruss' Stopping Problem with Random Availability

open access: yes, 2000
. Bruss #1987# has studied a continuous-time generalization of the so-called secretary problem, where options arise according to homogeneous Poisson processes with an unknown intensityof#.
Masakazu Ando, Katsunori Ano
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