A nonautonomous discrete predator-prey system incorporating a prey refuge and Holling type II functional response is studied in this paper.A set of sufficient conditions which guarantee the persistence and global stability of the system 2649-20 are obtained, respectively.Our results show that if refuge is large enough then predator species will be
To the question of the formation of patriotism and spirituality in modern Russian youth
The article is devoted to the problem of the formation of patriotism and spirituality in modern Russian youth.The appeal to the Russian history, promotion of national spiritual values, achievements and victories, opinions of Russian great people, white ice laminate countertop representing its national pride play an important role in solving this pr
Clinical symptoms and surgical outcome of colloid cysts of the third ventricle: A multicenter retrospective study
Introduction: Colloid cysts of the third ventricle are benign brain lesions that may obstruct cerebrospinal fluid flow within the ventricular system and cause symptoms like headaches, deterioration of vision, and acute hydrocephalus.Research question: What is the clinical outcome of surgical treatment of third ventricle colloid cysts, and what fact