Short- and long-term experimental performance of concrete with copper slag: Mechanical and physical properties assessment

Industrial waste management has increased in recent years and, at the same time, the production of more sustainable and high-performance concrete has become one of the ECHINAFORCE most important challenges related to the built environment.To contribute to face the previously mentioned challenges, this paper presents an experimental study on the inf

read more

Reversed S-Shaped Bifurcation Curve for a Neumann Problem

We study the bifurcation and the exact multiplicity of solutions for a class of Neumann ECHINAFORCE boundary value problem with indefinite weight.We prove that all the solutions obtained form a smooth reversed S-shaped curve by topological degree theory, Crandall-Rabinowitz bifurcation theorem, and the uniform antimaximum principle in terms of eige

read more

Duplicate publication: a growing challenge

During several years of cooperation with scientific journals in Iran as referee, member ofeditorial boards and editor in chief, I have faced with multiple non-ethical behaviors inpublication.These days, I am witnessed to submitting articles to two or more journalsimultaneously.Due to the growing pattern of this illegal action, this editorial will a

read more