On certain four-dimensional almost Kähler manifolds
Tom 108 / 2007
Colloquium Mathematicum 108 (2007), 7-18
MSC: 53C15, 53B20.
DOI: 10.4064/cm108-1-2
Streszczenie
We study four-dimensional almost Kähler manifolds $(M,g,J)$ which admit an opposite almost Kähler structure.