In this paper, some properties of the periodic shadowing are presented. It is shown that a homeomorphism has the periodic shadowing property if and only if so does every lift of it to the universal covering space. Also, it is proved that continuous mappings on a compact metric space with the periodic shadowing and the average shadowing property also have the shadowing property and then are chao...

competition is against monopoly and intellectual property creates monopoly for intellectual property owner. this article had been paid cooperation between apparently contradictory policies. exhaustion, parallel imports, compulsory license, intellectual property exploitation contract that coincide with competition are methods of cooperation between intellectual property and competition law. comp...

right of private property is of the most important individual rights of society that lies in the heart of private law. in islamic law protection of property as one of the five goals of fighhe, that is, protection of sagacity, religion, generation and self, is to be stipulated. based on article 140 of civil code the process of property acquisition is restricted to four cases. on the other hand, ...

A set C can be strongly coded under condition < B, C(A) >, where B and C are classes of sets possibly with other parameters, iff there exists A ∈ B such that every Z ∈ C(A) can be used to compute C. The issue is widely studied especially in effective mathematics and reverse mathematics. In this paper, we focus on three kinds of conditions, namely, density condition, enumeration condition and pa...

Medical plants have a great value in traditional knowledge related to human health care both used whole plant or consisting in curative remedies. These valuable uses has been led to commercial use of medicinal plants and their derivatives which makes great benefits. Also there is a growing desire to use of completely natural materials as curative drugs around the world. These facts show up a gr...

In recent years, supporting intellectual property right has gained more significance. Intellectual property rights could be considered as legal rights resulting from intellectual activities in industrial, scientific, literary and artistic fields. Today, many countries are seeking practical information about using intellectual property to improve economic growth. Intellectual property rights hav...