منابع مشابه
Three-step Harmonic Solvmanifolds
The Lichnerowicz conjecture asserted that every harmonic Riemannian manifold is locally isometric to a two-point homogeneous space. In 1992, E. Damek and F. Ricci produced a family of counter-examples to this conjecture, which arise as abelian extensions of two-step nilpotent groups of type-H. In this paper we consider a broader class of Riemannian manifolds: solvmanifolds of Iwasawa type with ...
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ژورنال
عنوان ژورنال: American Journal of Physics
سال: 2010
ISSN: 0002-9505,1943-2909
DOI: 10.1119/1.3379290