This paper gives an overview of recently developed model for the QCD analytic invariant charge. Its underlying idea is to bring the analyticity condition, which follows from the general principles of local Quantum Field Theory, in perturbative approach to renor-malization group (RG) method. The concrete realization of the latter consists in explicit imposition of analyticity requirement on the ...

A method for finding the renormalization group (RG) improved effective Lagrangian for a massive interacting field theory in curved spacetime is presented. As a particular example, the λφ-theory is considered and the RG improved effective Lagrangian is explicitly found up to second order in the curvature tensors. As a further application, the curvature-induced phase transitions are discussed for...

BACKGROUND Illicit use of methadone and buprenorphine has been described as a growing problem in Sweden in recent years, and has been associated with an increased drug-related mortality. Critics claim that the substances have become popular among adolescents and that they function as a gateway to heroin use. The aim of this study is to investigate, firstly, the extent to which illicit use of me...

The connection between ghost–free formulations of RG–invariant perturbation theory in the both Euclidean and Minkowskian regions is investigated. Our basic tool is the “double spectral representation”, similar to the definition of Adler function, that stems from first principles of local QFT. It relates real functions defined in the Euclidean and Minkowskian regions. On this base we establish a...

Data from a statewide survey, conducted by the Indiana Prevention Resource Center, of 20,629 Indiana students in grades 5-12 were analyzed to determine the extent to which cigarette smoking predicted use of alcohol and other drugs and acted as a so-called "gateway drug." A three-stage purposive/quota cluster sampling strategy yielded a representative sample of Indiana students, stratified by gr...

Parkinson disease (PD) is the second most common progressive neurodegenerative disorder due to loss neurons in SubstantiaNigra pars compacta. A number of medical and surgical treatments are currently available but the beneficial effects wear off with long term use and many native therapies have severe side effects. Hence novel therapeutic strategies continue to be in the developmental demand. N...

We propose a method, named DBCHEM, based on database queries for the chemical compound and drug name recognition task of the BioCreative IV challenge. We prepared a database with 145 million entries containing compound and drug names, their synonyms, and molecular formulas. PubChem Power User Gateway (PUG) system is used to construct the database. Candidate chemical and drug names are identifie...

Mobile Ad hoc Network (MANET) consists of a set of wireless nodes which are connected but can freely move. These mobile nodes include a particular type of nodes, known as ‘gateway’ nodes, which are directly connected with internet and other mobile nodes in a MANET get internet access through them. Prior to access, any mobile node requires discovering such a nearest gateway node using a gateway ...