We consider the Green functions for second order non-coercive differential operators on homogeneous manifolds of negative curvature, being a semi-direct product of a nilpotent Lie group and . We obtain estimates for the mixed derivatives of the Green functions that complements a previous work by the same author .
Submitted February 18, 2003. Published August 15, 2003.
Math Subject Classifications: 11E25, 43A85, 53C30, 31B25.
Key Words: Green function, homogeneous manifolds of negative curvature, NA groups, evolutions on nilpotent Lie groups.
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| Roman Urban |
Institute of Mathematics
University of Wroclaw
Pl. Grunwaldzki 2/4
50-384 Wroclaw, Poland
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