Takashi Oguro, "On some compact almost Kähler locally symmetric space", International Journal of Mathematics and Mathematical Sciences, vol. 21, Article ID 685751, 4 pages, 1998. https://doi.org/10.1155/S0161171298000076
On some compact almost Kähler locally symmetric space
In the framework of studying the integrability of almost Kähler manifolds, we prove that if a compact almost Kähler locally symmetric space is a weakly ,-Einstein vnanifold with non-negative ,-scalar curvature, then is a Kähler manifold.
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