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Non-existence of contact CR-warped product semi-slant submanifolds in generalized Sasakian-space-forms. (English) Zbl 1398.53035

Summary: The present paper deals with a study of contact CR-warped product submanifolds of generalized Sasakian-space-forms and contact CR-warped product semi-slant submanifolds of generalized Sasakian-space-forms. It is shown that there exists no proper contact CR-warped product submanifolds of generalized Sasakian-space-forms. However, we obtain some results for the existence or non-existence of contact CR-warped product semi-slant submanifolds of generalized Sasakian-space-forms.

MSC:

53C15 General geometric structures on manifolds (almost complex, almost product structures, etc.)