TY - JOUR ID - 911 TI - Multi-valued operators with respect $wt$-distance on metric type spaces JO - Bulletin of the Iranian Mathematical Society JA - BIMS LA - en SN - 1017-060X AU - ‎Demma‎, M. AU - Saadati, R. AU - Vetro, P. AD - Universita degli Studi di Palermo‎, ‎Dipartimento di Matematica e Informatica‎, ‎Via Archirafi‎, ‎34‎, ‎90123 Palermo‎, ‎Italy. AD - Department of Mathematics‎, ‎Iran University of Science and Technology‎, ‎Tehran‎, ‎Iran. AD - Universita degli Studi di Palermo‎, ‎Dipartimento di Matematica e nformatica‎, ‎Via Archirafi‎, ‎34‎, ‎90123 Palermo‎, ‎Italy. Y1 - 2016 PY - 2016 VL - 42 IS - 6 SP - 1571 EP - 1582 KW - Multivaled operator‎ KW - ‎Pompeiu-Hausdorff generalized metric type‎ KW - ‎fixed point theorem‎ DO - N2 - ‎Recently‎, ‎Hussain et al.‎, ‎discussed the concept of $wt$-distance on a‎ ‎metric type space‎. ‎In this paper‎, ‎we prove some fixed‎ ‎point theorems for classes of contractive type multi-valued operators‎, ‎by using $wt$-distances in the setting of a complete metric type space‎. ‎These results generalize a result of Feng and Liu on multi-valued operators. UR - http://bims.iranjournals.ir/article_911.html L1 - http://bims.iranjournals.ir/article_911_d68811f58633ed8b4568d0d352c68671.pdf ER -