The purpose of this paper is to give a new and shorter proof of the Hegarty’s result on the

absolute center and autocommutator subgroup of a group and to improve the bound attained by

Hegarty for autocommutator subgroup. Furthermore...

simulators can provide a way around this problem especially for emerging technologies. In the new nanotechnology center, we propose to develop a specialized simulator for nanomaterials manufacturing which will provide the first step towards circumventing...

with at present is the reconstruction of the historical texture of the cities. The purpose of this study is to review the reconstruction project of Mashhad city center, the Iranian second largest metropolis, as an instance of urban redevelopment projects carried...

This paper addresses a joint part sequencing and tool replacement problem on a machining center. The objective is to minimize the expected production cost subject to available tool spares. In literature, it has been shown that the sequencing...