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Hypoellipticity of a class of degenerate elliptic–parabolic operators - MaRDI portal

Hypoellipticity of a class of degenerate elliptic–parabolic operators (Q3930106)

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Hypoellipticity of a class of degenerate elliptic–parabolic operators
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    Hypoellipticity of a class of degenerate elliptic–parabolic operators (English)
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    1981
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    hypoellipticity
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    point of degeneracy
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    degenerated operators of elliptic- parabolic type
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    Hörmander condition
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