this paper deals with the behavior at infinity of solutions to a class of wave equations with nonlinear dampingterms defined in a semi-infinite cylinder. the spatial behavior of solutions is studied and an alternative ofphragmén-lindelöf type theorems is obtained in the results. the main point in the contribution is the use of energy method.

occurred recency principle and recency proving   saber khalilnejad kiasari [1]   abstract: this article is to investigate one of the practical principles of methodology and jurisprudence as well as occurred recency principle. this principle is at work to clarify many issues concerned with the priority and recency of two carrying judicial and legal effects. here, through explaining the purpose o...

although ‘allāma ḥillī and shaykh anṣārī have pointed out the feature of confirmation (iḥrāz) in some of the practical principles, its refinement has been one of mīrzā-yi nā’īnī’s initiatives. he divided the practical principles into “confirming and non-confirming. the confirming principle determines the practical duty of the religiously ccountable (mukallaf) in view of reality, such as: istiṣḥ...

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applying two definitions of the union of if-events, p. grzegorzewski gave two generalizations of the inclusion-exclusion principle for if-events.in this paper we prove an inclusion-exclusion principle for if-states based on a method which can also be used to prove grzegorzewski's inclusion-exclusion principle for probabilities on if-events.finally, we give some applications of this principle by...

the principle of formality –free protection is an international principle in the copyright and it was stabilized in the berne convention. but this principle has not been studied in iran and evaluation of the principle is very vital because easier access to the works and fair trial. recent paper has attempted to study this principle in light of the berne convention and analyzes and interprets th...