The Dirichlet problem for sublaplacians on nilpotent Lie groups ?Geometric criteria for regularity

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Antonio S�nchez-Calle · Inventiones mathematicae · 1984 · 217 citations

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POTENTIAL THEORY An Analytic and Probabilistic Approach to Balayage (Universitext)

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Wiener criterion for a class of degenerate elliptic operators

P. Negrini, Vittorio Scornazzani · Journal of Differential Equations · 1987 · 33 citations

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Dirichlet problem for degenerate elliptic equations

Avner Friedman, Mark A. Pinsky · Transactions of the American Mathematical Society · 1973 · 13 citations · Full text

Natural Sciences, Mechanical Engineering, Differential Equations +11