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Combinatorial optimization provides a powerful framework for solving complex optimization problems with general-purpose solvers by modelling the problem in an abstract language. Due to breakthroughs in algorithms to solve combinatorial optimization problems in last decades, combinatorial optimization has become a valid approach to solve many real world problems efficiently. Key application areas a
Background: The Earth Hologenome Initiative (EHI) is a global endeavor dedicated to revisit fundamental ecological and evolutionary questions from the systemic host–microbiota perspective, through the standardized generation and analysis of joint animal genomic and associated microbial metagenomic data. Results: The first data release of the EHI contains 968 shotgun DNA sequencing read files conta
Global regulatory circuits together with more specific local regulators play a notable role when cells are adapting to environmental changes. Lactococcus lactis is a lactic acid bacterium abundant in nature fermenting most mono- and disaccharides. Comparative genomics analysis of the operons encoding the proteins and enzymes crucial for catabolism of lactose, maltose and threhalose revealed an obv
Nominal classification is a robust feature in many Amazonian languages, and aspects of these systems offer significant challenges to our broader conception of the phenomenon. Yet a clear characterization of Amazonian classification systems must be firmly grounded in detailed descriptive analysis on one hand, and in a principled definition of classification as a typological category on the other –
MHC genes play a fundamental role in immune recognition of pathogens and parasites. Therefore, females may increase offspring heterozygosity and genetic diversity by selecting males with genetically compatible or heterozygous MHC. In birds, several studies suggest that MHC genes play a role in mate choice, and recent evidence suggests that olfaction may play a role in the MHC-II discrimination. Ho
Background: People with Intellectual Disability (ID) in Sweden should be enabled to live like others. This life like others is realised in group homes that have little in common with the typical home. Method: A reading of Appiah’s As if is used to discuss how people with ID are supported in Sweden. Current national data are presented within the framework of idealisation, the use of (useful) untrut
The aim of this article is to contribute to the literature on how stratification affects professions. Our case study is the ‘first teacher reform’ in Sweden, which introduced a more prominent position for some teachers. In this article, we elaborate six different first teacher types and analyse how these affect the profession. While elites are generally described as hybrids, we conclude that sever
A family of eukaryotic proline racemase-like genes has recently been identified. Several members of this family have been well characterized and are known to catalyze the racemization of free proline or trans-4-hydroxyproline. However, the majority of eukaryotic proline racemase-like proteins, including a human protein called C14orf149, lack a specific cysteine residue that is known to be critical
We discuss the associated cc¯ and l+l- pairs production in ultraperipheral heavy-ion collisions at high energies. Such a channel provides a novel probe for double-parton scattering (DPS) at small x enabling one to probe the photon density inside the nucleus. We have derived an analog of the standard central pp pocket formula and studied the kinematical dependence of the effective cross section. Ta
Cyber security strategies operate on the normative assumption that national cyberspace mirrors a country's territorial sovereignty. Its protection commonly entails practices of bordering through infrastructural control and service delivery, as well as the policing of data circulation and user mobility. In a context characterized by profound territorial fragmentation, such as the Occupied Palestini
Abstract is not available
We discuss vector, axial-vector, scalar and pseudoscalar two-point functions at low and intermediate energies. We first review what is known from chiral perturbation theory, as well as from a heat kernel expansion within the context of an extended Nambu-Jona-Lasinio (ENJL) model. We derive then these two-point functions to all orders in the momenta and to leading order
The article analyses a case of prosecution for human smuggling. Three film crew members accompanied a Syrian refugee boy from Greece to Sweden, while recording the journey in a documentary that was screened on Swedish public television in 2015. Despite widespread recognition, they were prosecuted and found guilty of human smuggling by all the levels of the Swedish judiciary. Using a variety of mat
We give an expression for the Garsia entropy of Bernoulli convolutions in terms of products of matrices. This gives an explicit rate of convergence of the Garsia entropy and shows that one can calculate the Hausdorff dimension of the Bernoulli convolution νβ to arbitrary given accuracy whenever β is algebraic. In particular, if the Garsia entropy H(β) is not equal to log(β) then we have a finite t
