Fixed Point Index for Weakly Inward Mappings
โ Scribed by S.C. Hu; Y. Sun
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 241 KB
- Volume
- 172
- Category
- Article
- ISSN
- 0022-247X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Let D be a closed nonempty subset of a Banach space X and T : D ยช X ร 4 2 \_ a multivalued contraction with closed values, i.e., each Tx is a nonempty closed subset of X and there exists 0 F k -1 such that 5 5 H Tx, Ty F k x y y , x, y g D, ## ลฝ . where H denotes the Hausdorff metric H A, B s ma
The following theorem generalizes results given by FISHER [l] and Jungck [3].
Using certain weak conditions of commutativity we prove some common fixed point theorems in complete metrically convex spaces which, in turn, generalize results due to Assad and Kirk, Itoh, Khan, and several others.