Pattern self-assembly tile set synthesis (Pats) is a combinatorial optimization problem which aim at minimizing a rectilinear tile assembly system (RTAS) that uniquely self-assembles a given rectangular pattern, and is known to be NP-hard. Pats gets practically meaningful when it is parameterized by a constant c such that any given pattern is guaranteed to contain at most c colors (c-Pats). We ...

ABSTRACT Anaerobic bacteria are part of the normal human skin flora. However, anaerobic infections could have different clinical courses with outcomes ranging from local abscesses to life-threatening conditions. Any long-term wound infection or a discharging pus foul smell is an indication infections. We present here series three cases in patients injured road traffic accidents (RTA) which Anae...

Regional Trading Arrangements (RTAs) have always posed problems for the GATT/WTO. Although during the negotiations leading up to the GATT it appeared as if tight restrictions would be placed on the creation of RTAs, in the event US foreign policy considerations led to much weaker rules being adopted. And since then, geo-political forces have prevented the system from enforcing even these weaker...

INTRODUCTION Road traffic can play an important role in strengthening regional economic activities, especially at high altitude, and it is necessary to know important traffic-related information. Although previous studies reported on road traffic in China, there has been little research on high-altitude road traffic to date. METHOD The annual official census of road traffic safety from 2006 t...

Child injuries are a growing global public health problem 1 , with injury and violence responsible for approximately 950 000 deaths annually in children. Injuries from accidents are the leading causes of death among those in the 10–19 year age group, with the 5 major causes being: (i) road traffic accidents (RTAs); (ii) burns; (iii) drowning; (iv) poisoning and; (v) falls 2 . The burden of paed...

Corporate social responsibility (CSR) has become an integral part of many companies' business strategy. A detailed analysis 579 RTAs, including 305 agreements currently in force and notified to the WTO (as December 2020), reveals that a limited but increasing number namely 65 agreements, refer explicitly CSR. These CSR-related provisions are particularly heterogeneous terms location RTA, l...