الفهرس 
Basic conceptsOnly 14 pages are availabe for public view
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Abstract
The convexit-\- of subsets in general Riemannian manifolds is a vet
interesting research area in both local and global differential geol~letn,.
Accordingly, a lot of inatl~ematicians such as (Karcher [17], 1963), (do
Cmno [9], 1969) and (Alexander [I], 1978) have paied a great deal of
attention towards such a topic.