controlled differential equations 1log-signature 1numerical approximation 1path signatures 1rough paths 1stochastic differential equations 1
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math.NA2026
Concise -representations of a path
Emilio Ferrucci, Oliver Perrée, Terry Lyons
The paper investigates how to store a path using a truncated log-signature with the optimal balance between the number of intervals and signature degree, minimizing memory while gu…
math.NA2024
Higher Order Lipschitz Greedy Recombination Interpolation Method (HOLGRIM)
Terry Lyons, Andrew D. McLeod
In this paper we introduce the Higher Order Lipschitz Greedy Recombination Interpolation Method (HOLGRIM) for finding sparse approximations of Lip functions, in the sense of…