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Chasing Nested Convex Bodies Nearly Optimally
[article]
2021
arXiv
pre-print
The convex body chasing problem, introduced by Friedman and Linial, is a competitive analysis problem on any normed vector space. In convex body chasing, for each timestep t∈ℕ, a convex body K_t⊆ℝ^d is given as a request, and the player picks a point x_t∈ K_t. The player aims to ensure that the total distance ∑_t=0^T-1||x_t-x_t+1|| is within a bounded ratio of the smallest possible offline solution. In this work, we consider the nested version of the problem, in which the sequence (K_t) must be
arXiv:1811.00999v4
fatcat:3horsjgknrfeljkjfpbemgtaxa