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Graph-Informed Neural Networks for Sparse Grid-Based Discontinuity Detectors
March 19, 2024, 4:45 a.m. | Francesco Della Santa, Sandra Pieraccini
cs.LG updates on arXiv.org arxiv.org
Abstract: In this paper, we present a novel approach for detecting the discontinuity interfaces of a discontinuous function. This approach leverages Graph-Informed Neural Networks (GINNs) and sparse grids to address discontinuity detection also in domains of dimension larger than 3. GINNs, trained to identify troubled points on sparse grids, exploit graph structures built on the grids to achieve efficient and accurate discontinuity detection performances. We also introduce a recursive algorithm for general sparse grid-based detectors, characterized …
abstract arxiv cs.ai cs.lg cs.na detection discontinuity domains function graph grid identify interfaces math.na networks neural networks novel paper type
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