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Karina Lilleborge

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Preprint Aug 2026

Flexible covariance structures on metric graphs

Whittle-Mat\'ern (WM) Gaussian random fields (GRFs) are defined as solutions of stochastic partial differential equations (SPDEs) and provide a natural analog of Mat\'ern GRFs on non-Euclidean geometry where the Mat\'ern covariance function is not valid. In particular, WM GRFs on metric graphs have been an active area...

Karina Lilleborge, Sara Martino, Geir-Arne Fuglstad · 0 citations

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