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math.AP2013
Stability estimates for discrete harmonic functions on product domains
Maru Guadie
We study the Dirichlet problem for discrete harmonic functions in unbounded product domains on multidimensional lattices. First we prove some versions of the Phragmén-Lindelöf theo…
math.AP2013★ 10 cited
A note on unique continuation for discrete harmonic functions
Maru Guadie, Eugenia Malinnikova
In this note we give a quantitative version of the following simple observation: a discrete harmonic function on the lattice may vanish at each point of a large cube without being…