Because of extensive industrial and domestic wastewater discharge, the Atoyac river has become one of Mexico's most polluted rivers. The aim of the paper is to investigate the contaminations of the river due to the different polluters and what impacts it has on the environment and society. Further the paper aims to identify necessary solutions in order to restore the river to its natural state,...

At present no war is being fought in SEE. However this outward tranquility was imposedfrom outside through energetic military interventions by the West, the establishment of international military and security protectorates over parts of the region, as well as by stationing peace-keeping troops, international police, armed and unarmed foreign observers at the hottest trouble spots in SEE. The s...

1Department of Pediatrics, University of Zagreb, School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia, 2Department of Obstetrics and Gynecology, University Hospital Merkur, Zagreb, Croatia, 3Department of Pediatric Surgery, University of Zagreb, School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia, 4Department of Anesthesiology, Mayo Clinic, 200 First St SW, ...

We consider the quantum Teichmüller space of the punctured surface introduced by ChekhovFock-Kashaev, and formalize it as a noncommutative deformation of the space of algebraic functions on the Teichmüller space of the surface. In order to apply it in 3-dimensional topology, we put more attention to the details involving small surfaces. Let S be an oriented surface of finite topological type, w...