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Author

Tristan Pryer

2 papers indexed here

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Preprint Oct 2026

Residual Minimisation for Transport-Based Optimal Control

We consider an optimal control problem governed by a stationary linear transport equation in two or three spatial dimensions, motivated by photon transport in radiotherapy treatment planning. The control is an inflow boundary source, and the observation operator may track either the angular flux or its angular integral...

Tristan Pryer, N. Rekatsinas · 0 citations
Preprint Sep 2026

Polytopic symmetric interior-penalty approximation of elliptic SPDEs driven by spatial white noise

We analyse symmetric interior-penalty discontinuous Galerkin approximations of elliptic stochastic partial differential equations driven by spatial Gaussian white noise on quasi-uniform polytopic meshes. The low regularity of the exact random field precludes the usual SIP consistency argument. We instead restrict the s...

Tristan Pryer · 0 citations

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