earned value management is a critical project managementmethodology that evaluates project performance from cost andschedule viewpoints. the novel theoretical framework presented in thispaper estimates future performance of project regarding the past relativeinformation. it benefits from fuzzy regression (fr) models in estimationprocess in order to deal with the vagueness and impreciseness ofre...

a project is any endeavor involving planned action, for example, developing a new product or constructing a dam. [ce1] major factors for a project to be successful are applying performance measurement and feedback tool. one such well-known performance measurement tool to control the project execution is earned value management (evm). evm uses the fundamental principle that trends in the past ca...

In this paper, we introduce the concept of interval valued fuzzy weak bi-ideals of $Gamma$-near-rings, which is a generalized concept of fuzzy weak bi-ideals of $Gamma$- near-rings. We also characterize some properties and examples of interval valued fuzzy weak bi-ideals of $Gamma$-near-rings.