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The first purpose of this paper is to define a homotopy for fuzzy spaces. We continue our work by showing that the property of having a fixed point is

In this paper, we investigate the existence of common fixed points of a certain mapping in the frame of an extended b-metric space. The given results

WepresentsomefixedpointresultsinBanachalgebrasbasedonthesocalleddegreeofnondensifiabilityφd.Itisshownthatφdisanalternativemethodtomeasuresofnoncompact