A class of 3-dimensional almost cosymplectic manifolds

The main interest of the present paper is to classify the almost cosymplectic 3-manifolds that satisfy \Vert gradl \Vert = const.(\neq 0) and \bigtriangledownx h=2ahf.

A class of 3-dimensional almost cosymplectic manifolds

The main interest of the present paper is to classify the almost cosymplectic 3-manifolds that satisfy \Vert gradl \Vert = const.(\neq 0) and \bigtriangledownx h=2ahf.

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